Tomasz Durakiewicz 

 

PERSONAL DETAILS

 

Date of Birth:             15 May 1968

 

Nationality:                Polish

 

Home address:         85 Ensenada Drive, Los Alamos, NM 87544, USA

 

Work address:          Los Alamos National Laboratory

Condensed Matter & Thermal Physics Group

Mailstop K764, Los Alamos, NM 87545 USA

 

Office  : 1-505-667-4819

Lab     : 1-505-665-1202

Home : 1-505-672-9516

Mobile: 1-505-259-4767

Fax     : 1-505-665-7652

 

official e-mail: tomasz@lanl.gov

private e-mail: tomasz_durakiewicz@hotmail.com                                                                      

http://public.lanl.gov/tomasz/

 

EDUCATION AND QUALIFICATIONS

 

 

1998                  Doctor of Philosophy, Physics, Institute of Physics, Maria Curie Sklodowska University, Lublin, Poland.

 

Degree covers theoretical and experimental aspects of electron emission and surface physics of metals, especially problems associated with thermionic emission and work function as well as selected physical properties of hot filaments in vacuum, with applications to mass spectrometry and electron emitters. Thesis title “Investigation of electron emission from metallic surface by pulsed heating”.

 

 

1992   Master of Science, Experimental Physics, Institute of Physics, Maria Curie Sklodowska University, Lublin, Poland.

 

Degree covers fundamental experimental physics with special emphasis on mass spectrometry applications in measurements of stable isotope ratios. Thesis title : “Investigations of oxygen isotopic composition of rock-forming minerals”.  Work included sampling, chemical extraction and measurement of isotope ratios as well as construction of both mechanical parts and electronics of mass spectrometers and vacuum systems.

 

 

1987 – 1992 Study of experimental Physics, Institute of Physics, Maria Curie Sklodowska University, Lublin, Poland.

 

 

1983 – 1987 Second Lyceum in Lublin, math-phys profile

 

 

WORK EXPERIENCE

 

Since June 2000     

 

Director’s Funded Postdoctoral Fellow at the Los Alamos National Laboratory, MST-10 Group, Los Alamos, USA.

Experimental solid state physics. Photoelectron spectroscopy and electronic structure of actinides, especially plutonium and uranium, including compounds. Investigating the new family of superconducting heavy fermion materials by photoemission methods. Theoretical and experimental aspects of surface properties of  actinides and lanthanides. Synchrotrons and plasma light sources.

 

 

October 1999 – June 2000

 

Visiting Professor at the University of New Mexico, Department of Earth and planetary Sciences, Albuquerque, USA.

Applications of modern stable isotope techniques (IRMS, IRMMS, TC-EA, GC) to terrestrial and extraterrestrial materials, namely cherts, carbonates, silicates, meteorites and dinosaur tooth enamel.

 

 

November 1998 – October 1999

 

Adiunct at the Institute of Physics, Maria Curie Sklodowska University, Lublin, Poland.

Teaching courses in physics, electronics and statistics. Research: electronic work function, applied mass spectrometry (IRMS), stable isotope geochemistry, stable isotopes in medicine.

 

 

1992 – 1998

 

Assistant at the Mass Spectrometry Laboratory, Institute of Physics, Maria Curie Sklodowska University, Lublin, Poland.

Teaching courses in physics, electronics and statistics. Research: physical properties of hot filaments, mass spectrometry, vacuum techniques, stable isotope geochemistry.  

 

 

MANAGEMENT AND COOPERATION EXPERIENCE

 

Principal investigator and project head of three research grants, one of them in international cooperation.  Participated in four other grants either as the principal investigator or as one of the investigators. International cooperation wih scientists from: Ukraine, Czech Republic, Slovenia, USA, Germany.

 

 

OTHER SKILLS

 

Driving:          Clean American (NM) and Polish car licenses

 

Languages:   Polish, very good written and spoken English, good conversational Russian

 

Computing:    Extensive experience of word processing, spreadsheets and data handling packages (all Windows based popular software), numerical solving of partial differential equations (Mathematica, Turbo Pascal), data aquisition and experiment control (HP VEE, InstaSpec, LabView), programming (Basic, Turbo Pascal, C++), data visualisation and reduction (Origin, Igor, Grapher, Statistica, Mathematica), statistics, hardware.

 

Useful skills: elementary glass blowing and metal machining, design of UHV vacuum systems and in-vacuum chemical extraction/purification SS or glass lines, extensive practical knowledge of electronics including building and repair of laboratory equipment, familiar with synchrotron end-user stations, computerized data acquisition and control, experience with high power UV and IR lasers, experience in handling radioactive, explosive and toxic materials.

 

Los Alamos National Laboratory Certificates: Radiation Worker II, Class 3b+4  laser worker, compressed gases, cryogenics, electric worker, X-ray worker, Cardio-pulmonary resuscitation.

 

 

MEMBERSHIPS

American Physical Society (since 2000)

Polish Vacuum Society (1996)

Polish Physical Society (1993)

European Society for Isotope Research (1990)

 

 

AWARDS

Foundation for Polish Science Award (1999)

J. Groszkowski Award of the Polish Vacuum Society (1999)

Faculty Dean’s Award for publication activity (1997)

Stefan Batory Foundation Award (1994)

 

 

INVITED TALKS

 

1)       T. Durakiewicz, J.J. Joyce, A.J. Arko, D.P. Moore, L.A. Morales and J.L. Sarrao, Electronic structure and surface of plutonium, Invited talk for the II Congress of the Polish Vacuum Society, 05/14/01, Electronics  (2001) – full text in press, Warsaw, Poland

2)       T. Durakiewicz, Plutonium: selected properties and surface science, invited talk for the Polish Physical Society Meeting, 05/10/01, Lublin, Poland

3)       T. Durakiewicz, Selected aspects of electronic structure and surface properties of plutonium, invited talk for the University of Vienna, Institute of Material Physics, 12/17/01, Vienna, Austria

4)       T. Durakiewicz, Applications of stable isotopes of oxygen, Invited talk for the Institute of Reference Materials and Measurements, European Commission Joint Research Center, 12/14/01, Brussels/Geel, Belgium

 

 

 

INTERESTS

 

Music:             Play the bass guitar, favorite: jazz

Hobby:           Mountain hiking, minerals, music

 

 

OTHER INFORMATION

Non-smoking, married, one son (born 1991), no health conditions.

 

 

REFEREES

 

Prof. Stan Halas, Institute of Physics, Maria Curie-Sklodowska University, Lublin, Poland

 

Prof. Zachary Sharp, Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, USA.

 

Prof. Aloysius Arko, MST-10 Group, Los Alamos National Laboratory, Los Alamos, USA.

 

Dr John Joyce, MST-10 Group, Los Alamos National Laboratory, Los Alamos, USA.

 

 

  238Pu heater

 

List of publications

 

 International peer-reviewed journals

 

1)     The electronic structure of CeRhIn5 and LaRhIn5 from ARPES, Moore DP, Durakiewicz T, Joyce JJ, Arko AJ, Morales LA, Sarrao JL, Pagliuso PG, Wills JM, Olson CG,  Physica B 312 (2002) 134-135

2)     He discharge lamp for photoemission experiments with radioactive materials
Tomasz Durakiewicz, Al Arko, John J. Joyce, David P. Moore, Kevin Graham
Rev. Sci. Instr. (2002) accepted, in press.

3)     Antiphase hydrogen and oxygen isotope periodicity in chert nodules, A.D. Sharp, T. Durakiewicz, Z.M. Migaszewski, V. Atudorei, Geochim. Cosmochim. Acta (2002) accepted, in press.

4)     Surface energy calculation : metals with 1 and 2 delocalized electrons per atom
Halas S, Durakiewicz T, Joyce JJ, Chem. Phys. 278 (2002) 111-117.

5)     S. Halas, A. Wojtowicz, J. Nowak and T. Durakiewicz, Temperature controller for thermal ionization mass spectrometry, Rapid Comm. Mass Spectrom. 16 (2002) 77-80.

6)     Calcareous tufas in the soligenous mires of eastern Poland as an indicator of the Holocene climatic changes, R. Dobrowolski, T. Durakiewicz and A. Pazdur,
Acta Geol. Pol. 53 (2002) 63-73

7)     T. Durakiewicz, S. Halas, A. Arko, J.J. Joyce and D.P Moore, Electronic work-function calculations of polycrystalline metal surfaces revisited, Phys. Rev. B 64 (2001) 045101 – 08.

8)     Arko, J.J. Joyce, D.P. Moore, J. Sarrao, L. Morales, T. Durakiewicz, Koetling, C. Olson, Electronic structure of corrrelated electron materials from photoemission in high quality single crystals, J. Electron Spectr. 117-118 (2001) 323-345.

9)     T. Durakiewicz and S. Halas, Calculation of ionization potential of small yttrium and lanthanide metal clusters, Chem. Phys. Lett. 341 (2001) 195 – 200.

10) T. Durakiewicz, A.J. Arko, J.J. Joyce, D.P. Moore, S. Halas, Thermal work function shifts for polycrystalline metal surfaces, Surf. Sci. 478 (2001) 72-82.

11) Z.D. Sharp, V. Atudorei, T. Durakiewicz, A rapid method for determination of hydrogen and oxygen isotope ratios from water and solid hydrous substances, Chem. Geol. 178 (2001) 197-210.

12) Durakiewicz T., Comment on uncertainty, topography and work function, Phys. Rev. B. 61 (2000) 11166-11167.

13) M. Gonera, T. M. Peryt and T. Durakiewicz, Biostratigraphical and palaeoenvironmental implications of isotopic studies (18O, 13C) of Middle Miocene  (Badenian) foraminifers in the Central Paratethys, Terra Nova, 12 (2000) 231-239.

14) Durakiewicz T., Halas S. (1999) Thermal relaxation of hot filaments, J. Vac. Sci. Techn. A. 17, 1071-1074.

15) Dudek K., Bukowski K., Wojtowicz A., Durakiewicz T., Halas S. (1999) Ar/Ar dating of hornblende samples from Carpathian igneous rocks, Geol. Carpath. 50, 93-94.

16) Halas S., Durakiewicz T. (1999) Apparatus for DSC analysis of milligram samples, J. Thermal. Anal. Calorim. 55, 565-568.

17) Halas S., Durakiewicz T. (1998) Temperature distribution along a metal filament heated in vacuum by DC current, Vacuum, 49, 331-336.

18) Durakiewicz T., Halas S. (1998) Cooling of incandescent filament by thermionic emission, Int. J. Mass Spectr. Ion Proc., 177, 155 - 161.

19) Halas S., Durakiewicz T., (1998) Work function of elements expressed by Fermi energy and density of electrons, J. Phys.: Cond. Matt., 10, 10815 - 10826.

20) Halas S., Durakiewicz T., (1998) Filament temperature stabilizer for a thermal ionization mass spectrometer, Int. J. Mass Spectr. Ion Proc., 181, 167 - 171.

21) Durakiewicz T., Halas S. (1998) Computation of time - dependent temperature distribution along a filament heated in vacuo by electric pulses, J. Vac. Sci. Techn. A, 16, 194 - 199.

22) Peryt D., Lahodynsky R., Durakiewicz T. (1997) Deep-water agglutinated foraminifera changes and stable isotopes profiles across the Cretaceous/Paleogene boundary in the Rotwandgraben section, Eastern Alps (Austria), Palaeogeogr., Palaeoclimat., Palaeoecol. 132, 287 - 307.

23) Durakiewicz T., (1996) Electron emission controller with pulsed heating of filament Int. J. Mass Spectr. Ion Proc. 156, 31- 40.

24) Migaszewski Z., Halas S., Durakiewicz T. (1996) Oxygen thermometer in carbonate minerals and barites; New data from the Holy Cross Mts (Poland), Mineralogiczeskij Żurnal, 18, 58 - 66.

25)  Halas S., Durakiewicz T. (1995) Improved absorbant trap for gases, Chem. Geol., 122, 271-273.

26) Durakiewicz T., Halas S. (1994) A novel electronic circuit for a Pirani gauge, Vacuum, 46, 101-103.

27) Halas S., Kaminski A., Durakiewicz T. (1993) A bridge-based temperature controller with a resistor as temperature sensor and heater, Meas. Sci. Technol. 4, 1208 - 1212.

 

 

Polish peer-reviewed journals

 

1)     T. Durakiewicz, Z.M. Migaszewski, Z.D. Sharp and V.N. Atudorei, The significance of Upper Jurassic flints in studies on the origin of siliceous rocks, Polish Geological Review (Przegl. Geol. ) 49 (2001) 225 – 229.

2)     Halas S., Durakiewicz T. (2000) Improvements in IRMS by ion current stabilization, Annales UMCS, Sectio AAA, in press.

3)     Durakiewicz T., Halas S., Sikora J. (2000) Variation of the t0 term in the Frenkel's formula, Annales UMCS, Sectio AAA, in press.

4)     T. Durakiewicz, Z. Sharp and Z.M. Migaszewski, Isotopic investigations of cherts and dinosaur teeth, Eksploatacja i Niezawodnosc, 7 (2000) 35 - 40

5)     M. Jasionowski, T. Durakiewicz and T.M. Peryt,  Oxygen and carbon stable isotope investigation of the Zechstein (Ca1) limestone reefs  of the Wolsztyn Upland, Polish Geological Review (Przegl. Geol. ) 48 (2000) p.468

6)     Migaszewski Z.M., Salwa S., Durakiewicz T. (1999) Silicareous rocks of Devonian and Carbon from the holy Cross Mts, Poland  - a new concept on genesis, Polish Geological Review (Przegl. Geol. ) 47, 818 - 824, in Polish.

7)     Dobrowolski R., Alexandrowicz S.W., Balaga K., Durakiewicz T., Pazdur A. (1999) Geochronology of the Polish Upper Quaternary, monography chapter, p. 179-197.

8)     Durakiewicz T., Migaszewski Z.M., Halas S. (1998) Badania izotopowe tlenu w mineralach grupy kwarcu (Isotopic investigations of oxygen in the quartz-group minerals), Polish Geological Review (Przegl. Geol. ) 46, 167 - 170.

9)     Halas S., Durakiewicz T., (1998) Fizyka wlókna metalowego grzanego elektrycznie (Physics of the metal filament heated electrically, in press), Wydawnictwo UJ, tom poświęcony pamięci prof. Groszkowskiego, 42-51.

10) Durakiewicz T., Halas S. (1998) Uklad elektroniczny do glowicy Piraniego, (Electronic circuit for the Pirani gauge, in press) Wydawnictwo UJ, tom poświęcony pamięci prof. Groszkowskiego, 112-115.

11) Durakiewicz T., Gonera M., Peryt T.M., (1997) Oxygen and carbon isotopic changes in the Middle Miocene (Badenian) foraminifera of the Gliwice region (SW Poland), Bull. Pol. Ac. Sci.: Earth Sci. 45, 145-156.

12) Halas S., Durakiewicz T., (1997) UHV instrumental setup for extraction, purification and mass-spectrometrical analysis of argon for dating of minerals, Elektronika 5, 45-53, in Polish.

13) Dobrowolski R., Durakiewicz T., Pazdur M., Pazdur A., (1996) Chronostratygrafia i fazy rozwoju źródliskowego torfowiska kopulowego Krzywice kolo Chelma (Wyżyna Lubelska) (Chronostratigraphy and phases of evolution of the peat-bog spring Krzywice near Chelm, Lublin Uplands), Zeszyty Naukowe Politechniki Śląskiej, Matematyka - Fizyka, 80, 19 - 30.

14) Halas S., Durakiewicz T. (1996) A temperature controller using power to frequency conversion, Annales UMCS, Sectio AAA, 50/51, 97 - 105.

15) Migaszewski Z.M., Halas S., Durakiewicz T. (1996) Wiek i geneza mineralizacji kalcytowej w Górach Świętokrzyskich w świetle badań litologiczno - petrograficznych i izotopowych (Age and genesis of the calcite mineralization in the Holy Cross Mts in the light of the litological and isotopic investigations), Polish Geological Review (Przegl. Geol. ) 44, 275 - 281.

16) Migaszewski Z., Halas S., Durakiewicz T. (1995) Paleotemperatury mineralów węglanowych i barytów na przykladzie Gór Świętokrzyskich (Paleotemperatures of the carbonate minerals and barites on the example of the Holy Cross Mts), Polish Geological Review (Przegl. Geol. ) 43, 1011-1016.

17) Migaszewski Z., Paslawski P., Halas S., Durakiewicz T. (1995) Wplyw pierwiastków śladowych i izotopów siarki na środowisko naturalne Gór Świętokrzyskich (Influence of the tracer elements and sulphur isotopes on the natural environment of the Holy Cross Mts.), Polish Geological Review (Przegl. Geol. ) 43, 472-477.

18) Migaszewski Z., Halas S., Durakiewicz T. (1995) A fossil barite hot spring mound in the Holy Cross Mts. : A test of the isotope age hypothesis, Geol. Quart. 39, 333-340.

19) Durakiewicz T., Halas S., Migaszewski Z.M., Urban J. (1994) Origin of the calcite groats" in the Chelosiowa Cave near Kielce (Holy Cross Mts), Poland, inferred from petrographic and isotopic investigations, Geol. Quart., 39, 75-94.

20) Halas S., Durakiewicz T., Migaszewski Z.M. (1993) Dewońskie źródlo podmorskie w rejonie Zawiercia w świetle badań izotopowych 13C i 18O (Devonian submarine spring in the light of isotopic investigations of 13C and 18O), Polish Geological Review (Przegl. Geol. ) 7, 509 - 511.

 

Conference abstracts and reports

 

1)     Surface energy calculations within the free electron model, A.J. Arko, T. Durakiewicz, J.J. Joyce, M.T. Butterfield, D.P. Moore, APS March Meeting 2001, Bulletin of the APS, 47 (2002) 1281.

2)     Light sources for photoelectron spectroscopy, T. Durakiewicz, J.J. Joyce, Al Arko, abstract for the Vacuum Society Meeting 2002, in press

3)     Electronic structure of CeRhIn5, Ce2RhIn8, LaRhIn5 and La2RhIn8 from angle-resolved photoemission specroscopy, T. Durakiewicz, D.P. Moore, M.T. Butterfield, J.J. Joyce, A.J. Arko, L.A. Morales, J.L. Sarrao, P.G. Pagliuso, APS March Meeting 2001, Bulletin of the APS, 47 (2002) 519.

4)     Angle-resolved photoemission spectroscopy (ARPES) studies of CeRhIn5, CeIrIn5 and CeCoIn5, D.P. Moore, T. Durakiewicz, M.T. Butterfield, J.J. Joyce, A.J. Arko, J.L. Sarrao, P.G. Pagliuso, L.A. Morales, J.M. Wills, APS March Meeting 2001, Bulletin of the APS, 47 (2002) 518.

5)     Photoemission of CeCoIn5, UcoGa5 and PuCoGa5, M.T. Butterfield, J.J. Joyce, D.P. Moore, T. Durakiewicz, A.J. Arko, L.A. Morales, J.M. Wills, P.G. Pagliuso, N.M. Moreno, J.L. Sarrao, APS March Meeting 2001, Bulletin of the APS, 47 (2002) 520.

6)     D.P. Moore, J.J. Joyce, A.J. Arko, T. Durakiewicz, L. Morales, J.L. Sarrao, High Resolution Photoemission Spectroscopy of U-based Strongly Correlated Materials, American Physical Society March Meeting 2001, Bulletin of the APS Vol. 46, No. 1

7)      J.J. Joyce, T. Durakiewicz, D.P. Moore, A.J. Arko, L.A. Morales, J.L. Sarrao, and C.G. Olson, Unconventional f-electron behavior in the new family of Ce-based heavy fermion superconductors, Synchrotron Radiation Center Users Meeting, Stoughton, Wisconsin, October 11 – 13, 2001.

8)     T. Durakiewicz, A. J. Arko, J. J. Joyce, D. P. Moore, Electronic work function and its thermal shifts for polycrystalline metal surface, American Physical Society March Meeting 2001, Bulletin of the APS, Vol. 46, No. 1

9)     J. Arko, T. Durakiewicz, J. J. Joyce, D. P. Moore, J.L. Sarrao, L. Morales, C.G. Olson, ARPES study of the CeMIn5 family of heavy fermions, American Physical Society March Meeting 2001, Bulletin of the APS, Vol. 46, No. 1

10) J.J. Joyce, A.J. Arko, D.P. Moore, T. Durakiewicz, L.A. Morales and J.L. Sarrao, Electronic Properties of Transuranic Materials Using Photoemission from a Tunable Light Source, American Physical Society March Meeting 2001, Bulletin of the APS, Vol. 46, No. 1

11) Z.D. Sharp, T. Durakiewicz and J.J. Papike, The effect of thermal decarbonation on the stable isotope composition of carbonates, 32nd Lunar and Planetary Science Conference, March 12 - 16 2001, Houston, TX.

12) T. Durakiewicz, J.J. Joyce, A.J. Arko, D.P. Moore, L.A. Morales and J.L. Sarrao, Electronic structure and surface of plutonium, Invited talk for the II Congress of the Polish Vacuum Society, Electronics  (2001) – full text in press

13) Moore, T. Durakiewicz, A.J. Arko, J.L. Sarrao, P.G. Pagliuso, J.M. Wills, L.A. Morales, C.G. Olson,  The electronic structure of YXIn5 (X=Rh, Ir, Co, Y = Ce, La) from ARPES J.J.  Joyce, D.P. Abstracts of the International Conference on Strongly Correlated Electron Systems, Univ. of Michigan, Ann Arbor, August 6 - 10, 2001.

14) J.J. Joyce, A.J. Arko, L.A. Morales, J.L. Sarrao, P.G. Pagliuso, J.M. Wills and C.G. Olson, D.P. Moore, T. Durakiewicz, , The Electronic Structure of CeRhIn5 and LaRhIn5 from ARPES International Conference on Strongly Correlated Electron Systems, Univ. of Michigan, Ann Arbor, August 6 - 10, 2001, extended abstract submitted to Physica B

15) J.J. Joyce, A.J. Arko, T. Durakiewicz, D.P. Moore and L. Morales, Plutonium surface and interface development: cleaning, oxides and hydrogen dosing, abstracts of the 61st Annual Physical Electronics Conference,  June 11  to June 13, 2001, Taos NM.

16) T. Durakiewicz, J.J. Joyce, A.J. Arko, D.P. Moore, L.A. Morales, J.L. Sarrao, S. Halas, J. Sikora, W. Krolopp, Electronic Work Function of Actinides, abstracts of the 61st Annual Physical Electronics Conference, June 11  to June 13, 2001, Taos NM.

17) M. Jasionowski, T. Durakiewicz and T.M. Peryt, Zechstein Limestone (Ca1) carbonates of the Wolsztyn ridge (SW Poland) in the light of C and O stable isotopes study, Proceedings of the International Association of Sedimentologists, 20th Regional Meeting, Dublin, Ireland, Abstracts Volume, p. 107, Dublin 2000.

18) M. Jasionowski, T. Durakiewicz, D. Peryt and T.M. Peryt, Middle Miocene non-marine stromatolites in the Ptashkino section (Crimea, Ukraine): sedimentology, paleontology and stable isotopes, Xith Congress of Regional Committee on Mediterranean Neogene Stratigraphy, Fes 27-30.09.2000, Abstracts, p. 96. Fes 2000.

19) Durakiewicz T., Sharp Z.D., Jensen M. (2000) Ankylosaurid Metabolism Investigated by Oxygen Isotopic Composition of Teeth Enamel, IP UMCS Report 1999, 169-170.

20) Durakiewicz T., Jensen M., Sharp Z.D. (2000) Analysis of Stable Carbon and Oxygen Isotopic Composition of Fossil Tooth Enamel by GC-IRMMS Technique, IP UMCS Report 1999, 171-172.

21) Durakiewicz T. (2000)  Shottky Effect in Brodie’s Model of Work Function, IP UMCS Report 1999, 173-174.

22) Durakiewicz T., Migaszewski Z.M. (2000) Oxygen composition of flints from the northeastern margin of the Holy Cross Mts, Poland, IP UMCS Report, 175-176.

23) M. Stepniewski, J. Borucki, T. Durakiewicz, L. Giro and Z.D. Sharp, Preliminary study of a new enstatite meteorite from Zaklodzie (Southeast Poland), Meteor.& Planet. Sci. 35 (2000) A152-A153

24) RH Jones, T. Durakiewicz, ZD Sharp and AJ Schilk,  Oxygen - isotopic ratios of bulk chondrules from the Mokoia CV3 chondrite Meteor.& Planet. Sci., 35 (2000) A84-A85

25) Z.D. Sharp, T. Durakiewicz, Paleohumidity estimates from oxygen isotope ratios of dinosaur teeth, GSA Abstracts with Programs, 32 (2000) 299

26) T. Durakiewicz, Z. Sharp, Z.M. Migaszewski, Anti-phase radial periodicity in oxygen and hydrogen isotope raios of chert nodules from Holy Cross Mts, SE Poland, GSA Abstracts with Programs, 32 (2000) 347

27) Durakiewicz M., Durakiewicz T. (1999) Improved model of gastric emptying applied in Helicobacter Pylori detection by use of isotopically labelled urea, IP UMCS Report, 159 - 160.

28) Halas S., Durakiewicz T. (1999) The work function of curved metallic surfaces, IP UMCS Report, 163-164.

29) Jasionowski M., Studencka B., Durakiewicz T. (1999) Preliminary results of the C and O isotopic investigation of the sarmatian (Middle Miocene) bivalves from the northern margins of the Carpathian Foredeep, IP UMCS Report, 165-166.

30) Jasionowski M., Durakiewicz T. (1999) Carbon and oxygen isotopic investigation of the sarmatian carbonate buildups of the Parathetys Basin in Poland and Ukraine, IP UMCS Report, 167-168.

31) Jedrysek M.O., Halas S., Weber-Weller A., Durakiewicz T. (1999) C-O-S isotope evidence for contamination and autometasomatism in ophiolite systems, IP UMCS Report, 169-170.

32) Durakiewicz T. (1999) Badanie zjawiska termoemisji elektronowej z metali metoda impulsowego grzania katody, V Krajowa Konferencja Techniki Prozni, 9-11 czerwca 1999, Borki k/Tomaszowa Maz. p. 13.

33) Durakiewicz T. (1999) How does the work function depend on temperature, V Krajowa Konferencja Techniki Prozni, 9-11 czerwca 1999, Borki k/Tomaszowa Maz. p. 45.

34) Durakiewicz T. (1999) Oxygen isotopic composition and K/Ar age of glauconites from Cretaceous-Tertiaty boundary in Nasilow, South-East Poland, Int. Conf. on Stable Isotopes and Isotope Effects, June 20-25, Carry le Rouet, France, G 18.

35) Dobrowolski R., Durakiewicz T., Pazdur A., (1998) Paleogeograficzne warunki rozwoju źródliskowych torfowisk kopulowych we wschodniej części wyżyny lubelskiej w świetle analiz izotopowych i dat radiowęglowych (Palaeogeographic conditions of growth of the peat-bog springs in the Eastern part of the Lublin Uplands in the light of isotopic anaysis and radiocarbon dating, in press), Geochronometria, w druku.

36) Banaś M., Durakiewicz T. (1998) Dezintegracja skal z wykorzystaniem efektu Peltiera (Disintegration of rocks by use of the Peltier effect), Mat. Konf. "Diageneza 98", 1-2 czerwca, Kraków., p. 14.

37) Durakiewicz T. (1998) Isotopic investigation of glauconites from Cretaceous/Tertiary boundary in Nasilów, SE Poland, RMZ-Materials and Geoenvironment, 45, 228-229.

38) Halas S., Durakiewicz T. (1998) Fizyka wlókna metalowego grzanego elektrycznie (Physics of the metal filament heated electrically), Congress of the Polish Vacuum Society, Kraków 25-30 May 1998, Abstract O.I.2.

39) Durakiewicz T., Halas S. (1998) Uklad elektroniczny do glowicy Piraniego (Electronic circuit for the Pirani gauge), ibid., Abstract P.I.5.

40) Durakiewicz T., Halas S. (1998) Method of elimination of the filament voltage drop effect in electron emission investigation, 19th Int. Seminar on Surface Physics, Polanica 15-19 June 1998, Abstract C-70.

41) Halas S., Durakiewicz T. (1998) Theory of work function for planar surfaces on the basis of Brodie-s approach, ibid. Abstract C-71.

42) Dobrowolski R., Durakiewicz T., Pazdur A., (1998) Paleogeograficzne warunki rozwoju źródliskowych torfowisk kopulowych we wschodniej części wyżyny lubelskiej w świetle analiz izotopowych i dat radiowęglowych (Palaeogeographic conditions of growth of the peat-bog springs in the Eastern part of the Lublin Uplands in the light of isotopic anaysis and radiocarbon dating), Mat. IV Konf. Metody Geochronologii Bezwzględnej Gliwice-Rudy 24-27 marca 1998 Gliwice, p.4.

43) Halas S., Durakiewicz T. (1997) Differential scanning calorimeter for structural investigation of solids, Abstracts of 4th Int. Conf. Intermolecular Interactions in Matter, 10 - 13 Sept. 1997, Gdańsk, Poland.

44) Halas S., Durakiewicz T. (1997) Apparatus for DSC analysis of miligram samples, Abstracts of 27th Int. Vacuum Microbalance Techniques Conference, Lublin, Poland, 16 - 18 July 1997.

45) Durakiewicz T., Halas S., Socki R., Wójtowicz A. (1997) Isotopic composition and K/Ar dating of glauconites from Cretaceous/Tertiary boundary in Nasilów, SE Poland, IP UMCS Report, 163 - 164.

46) Durakiewicz T., Halas S., (1997) Temperature distribution along filament heated in vacuum, IP UMCS Report, 161 - 162.

47) Durakiewicz T., (1997) Chaos in a desk experiment, IP UMCS Report, 165 - 166.

48) Durakiewicz T., Halas S. (1997) Stabilizacja prądu emisji elektronowej przy zastosowaniu impulsowego grzania katody (Stabilization of the electron emission current by use of the pulsed heating of filament), VI konf. Technologii Elektronowej ELTE’97, 6 - 9 Maja 1997, Krynica, p.303 - 306.

49) Bukowski K., Dudek K., Wójtowicz A., Durakiewicz T., Halas S. (1997) Hornblenda jako material do oznaczania wieku radiometrycznego metodą K/Ar (Hornblende as a material for determination of the radiometric age by K/Ar method), Mat. Konf. Datowanie Mineralów i Skal, 11 - 12 grudnia 1997, Lublin, 22 - 26.

50) Durakiewicz T., Wójtowicz A., Banaś M., Kalicka L., (1997) Sklad izotopowy tlenu w glaukonitach trzeciorzędowych datowanych metodą K/Ar (Isotopic composition of oxygen in Tertiary glauconites dated by K/Ar method) , Mat. Konf. Datowanie Mineralów i Skal, 11 - 12 grudnia 1997, Lublin, 27 - 40.

51) Durakiewicz T., Halas S. (1997) Stabilization of electron emission in gas ion sources by pulsed heating of filament, Abstracts of AIG Symposium, Sept 30 to Oct 04, Lake Louise, Canada.

52) Wójtowicz A., Halas S., Durakiewicz T. (1996) Precyzyjne wyznaczanie pikomolowych ilości argonu radiogenicznego w mineralach przy zastosowaniu metody wzorca we wnętrznego, (Precision determination of picomole amounts of radiogenic argon in minerals in the internal standard method) Mat. VII Konf. "Analityka w slużbie geologii i ochrony środowiska" Szelment, 17 - 21 czerwca.

53) Bukowski K., Wójtowicz A., Durakiewicz T., (1996) Wstępne wyniki datowania hornblendy z poziomu tufitowego w kopalni soli w Wieliczce metodą K/Ar (Preliminary results of K/Ar dating of hornblende from the tufa layer in tha Wieliczka salt mine), Materialy III Ogólnopolskiej Sesji Naukowej ``Datowanie Mineralów i Skal”, UMCS Lublin, 24 - 25 pażdziernika, str. 13 - 18.

54) Halas S., Durakiewicz T., Wójtowicz A. (1996) Lubelska aparatura UHV do wydzielania, oczyszczania i analizy masowo-spektrometrycznej argonu do datowania mineralów (Lublin apparatus for extraction, purification and mass-spectrometric analysis of argon for dating the minerals), IV Krajowa Konferencja Techniki Próżni, Bachotek k/ Brodnicy, 16 - 19 października 1996.

55) Durakiewicz T. (1996) Some developments in the Ar extraction and purification UHV line, Acta Geol. Hung. 39, 39 - 43.

56) Migaszewski Z., Halas S., Durakiewicz T. (1996) Petrographic and isotopic investigations of calcites from the Holy Cross Mts, Poland, Acta Geol. Hung. 39, 130 - 134.

57) Durakiewicz T. (1996) Electron emission stabilization by pulsed heating of filament, Abstracts of European Stable Isotope Meeting III, CRPG, Nancy, France, Sept. 30 - Oct. 01 1996, pp. 13 - 14.

58) Jasionowski M., Durakiewicz T. (1996) Carbon and oxygen isotopes of the Sarmatian serpulid - microbialite buildups from roztocze, IP UMCS Report, 165 - 166.

59) Durakiewicz T. (1995) Innowacje w aparaturze do wydzielania i oczyszczania argonu, (Innovations in the apparatus for extraction and purification of argon) Materialy Ogólnopolskiej Sesji Naukowej "Datowanie Mineralów i Skal w Oparciu o Rozpad Promieniotwórczy Potasu-40", Lublin, 26-27 października 1995, 44-53.

60) Durakiewicz T. (1995) A new approach in electron emission stabilization in mass spectrometry and vacuummetry, IF UMCS Report, 145-146.

61) Durakiewicz T., Halas S. (1995) a novel temperature controller of dual-vacuum crucible in the argon extraction line, IF UMCS Report, 147-148.

62) Halas S., Wójtowicz A., Durakiewicz T. (1995) The age spectra obtained for some 40Ar/39Ar standards, IF UMCS Report, 149-150.

63) Migaszewski Z., Durakiewicz T., Halas S. (1995) Oxygen thermometer in carbonates and barites, IF UMCS Report, 153-154.

64) Migaszewski Z.M., Halas S., Durakiewicz T. (1994) Preliminary petrographic and isotopic investigations of the "różanka" calcite from the Holy Cross Mts., Poland, Abstracts of Isotope Workshop II, Int. Isot. Soc., Wrocl. Univ., 100 - 104.

65) Adamczyk B., Durakiewicz T. (1994) Próżnia jako temat na XXXIV Pokazach z Fizyki, Lublin 1993 (Vacuum as the subject of the XXXIVth Show in Physics, Lublin 1993), Materialy V Konferencji Naukowej Technologii Elektronowej ELTE 94, Inst. Mikroel. i Optoel. Polit. Warsz., 817 - 820.

66) Durakiewicz T., Halas S. (1994) Nowy sposób rozszerzenia zakresu pomiarowego próżniomierza Piraniego, (A new method of extending the operation range of the Pirani vacuummeter) Materialy V Konferencji Naukowej Technologii Elektronowej ELTE 94, Inst. Mikroel. i Optoel. Polit. Warsz., 831 - 833.

67) Halas S., Durakiewicz T. (1994) Najnowsze osiągnięcia metody K-Ar i 40Ar/39Ar (The latest achievements of the K-Ar and 40Ar/39Ar methods), Materialy Ogólnopolskiej Sesji Naukowej "Datowanie Mineralów i Skal w Oparciu o Rozpad Promieniotwórczy Potasu-40", Lublin, 27-28 października 1994, 20-27.

68) Halas S., Durakiewicz T., Stefaniak B., Miedzwiedzki T. (1994) Lubelska aparatura do datowania metoda K-Ar i 40Ar/39Ar (Lublin apparatus for dating by K-Ar and 40Ar/39Ar methods), Materialy Ogólnopolskiej Sesji Naukowej "Datowanie Mineralów i Skal w Oparciu o Rozpad Promieniotwórczy Potasu-40", Lublin, 27-28 października 1994, 6-19.

69) Durakiewicz T. (1994) Isotopic record of Baltic glaciation in curious calcite precipitate from a cave in Devonian Massif, Central Poland, U.S. Geol. Surv. Circ. 1107, 89

70) Durakiewicz T., (1994) Stable isotope study of the Cretaceous/Tertiary boundaries in Nasilów (SE Poland) and Rotwandgraben (Eastern Alps, Austria), IF UMCS Report , 133-134.

71) Durakiewicz T., Halas S., (1994) Triple collector system for isotope ratio mass spectrometer, IF UMCS Report, 131-132.

72) Halas S., Durakiewicz T. (1994) Ultra-high vacuum instrumentation for potassium-argon dating of minerals, Abstracts of Isotope Workshop II, Int. Isot. Soc., Wrocl. Univ., 53 - 58.

73) Halas S., Durakiewicz T., Kusiak J. (1994) Dwupróżniowy tygiel do wygrzewania próbek mineralów do 2000° C (Double-vacuum crucible for heating the mineral samples to 2000° C), Materialy V Konferencji Naukowej Technologii Elektronowej ELTE 94, 851 - 853.

74) Durakiewicz T., Halas S. (1993) A novel electronic circuit for a Pirani gauge, Materialy z VI Konferencji "Analityka w slużbie geologii i ochronie środowiska, Państwowy Instytut Geologiczny, Krasnobród 11-15 października 1993, 87.

75) Halas S., Kamiński A., Durakiewicz T. (1993) A bridge based temperature controller with a resistor as temperature sensor and heater, Materialy z VI Konferencji "Analityka w slużbie geologii i ochronie środowiska, Państwowy Instytut Geologiczny, Krasnobród 11-15 października 1993, 86.

76) Durakiewicz T., (1993) Preliminary stable isotope study of the K/T boundary in Nasilów, SE Poland, Proceedings of the Interdisciplinary Conference "Global Boundary Events", Polish Geological Institute, 15.

77) Durakiewicz T., Halas S., Migaszewski Z.M. (1993) Origin of the "calcite groats" in the Chelosiowa Cave, I.F. UMCS Report, 121 - 122.

78) Halas S., Kamiński A., Durakiewicz T. (1993) A novel bridge-based temperature controller, I.F. UMCS Report, 127 - 128.

79) Halas S., Durakiewicz T., Kamiński A., Filiks J., Kusiak J., Ukalski K., Sikora J. (1993) Ultra-high-vacuum line for dating minerals by K-Ar method, I.F. UMCS Report, 129 - 130.

80) Halas S., Durakiewicz T., Kusiak J. (1993) Double-vacuum crucible for heating mineral samples up to 2000°C, I.F. UMCS Report, 131 - 132.

81) Halas S, Durakiewicz T. (1992) Pirani gauge controlled at constant temperature and constant effective excitation voltage of the bridge, I.F. UMCS Report, 123 - 124.

82) Halas S., Durakiewicz T., Migaszewski Z.M. (1992) The 13C and 18O isotopic study of the structural form of a fossil submarine spring from Devonian formation, I.F. UMCS Report, 127 - 128.

 

Patents

 

1)     Halas S., Durakiewicz T., (1998) Sposób pomiaru niskich próżni (Method of measurement of low vacua), Patent P.326430.

2)     Halas S., Durakiewicz T. (1998) Próżniomierz stalotemperaturowy (Constant-temperature vacuummeter), Patent P. 326431.

3)     Halas S., Durakiewicz T. (1997) Skaningowy mikrokalorymetr róznicowy (Scanning differential microcallorimeter), Patent P.321352.

4)     Durakiewicz T. Banaś M., (1997) Sposób dezintegracji skal metodą kriogeniczną (Disintegration of rocks by criogenic method), Patent P.324051.

5)     Durakiewicz T. (1996) Sposób jednoczesnego zastosowania katodoluminescencji i laserowej ekstrakcji gazów z próbek mineralnych oraz urządzenie do stosowania tego sposobu (Method of the simultaneous use of cathodoluminescence and laser extraction of gases from mineral samples and the device to use this method), Patent P. 316600.

6)     Halas S., Durakiewicz T., (1995) Stabilizator prądu emisji elektronowej (Electron emission current stabilizer), Patent P. 308722.

7)     Halas S., Durakiewicz T., (1993) Uklad do regulacji temperatury i pomiaru natężenia strumienia cieplnego (Circuit for temperature regulation and measurement of the heat flux), Patent P.297758.

 

Non - scientific works

 

1)     Durakiewicz T. (1999) Korespondencja z Oddzialu Lubelskiego Polskiego Tow. Fizycznego (Correspondence from the Lublin Division of the Polish Physical Society), Postępy Fizyki.

2)     Durakiewicz T., editor (1998) IP UMCS Report 1997, 1-209.

3)     Durakiewicz T. (1998) Korespondencja z Oddzialu Lubelskiego Polskiego Tow. Fizycznego (Correspondence from the Lublin Division of the Polish Physical Society), Postępy Fizyki

4)     Durakiewicz T., editor (1997) IP (formerly : IF) UMCS Report 1996, 1-217.

5)     Durakiewicz T., editor of conference materials (1997) IV Ogólnopolska Sesja Naukowa ‘’Datowanie Mineralów i Skal’’, Lublin, 11 - 12 grudnia, 1 - 74.

6)     Durakiewicz T. (1997) Korespondencja z Oddzialu Lubelskiego Polskiego Tow. Fizycznego (Correspondence from the Lublin Division of the Polish Physical Society), Postępy Fizyki, 48, 4, 400 - 402.

7)     Durakiewicz T., editor (1996) IF UMCS Report 1995, 1-203.

8)     Durakiewicz T., editor of conference materials (1996) III Ogólnopolska Sesja Naukowa ‘’Datowanie Mineralów i Skal’’, Lublin, 24 - 25 pażdziernika, 1 - 66.

9)     Durakiewicz T. (1996) II Ogólnopolska Sesja Naukowa "Datowanie mineralów w oparciu o rozpad promieniotwórczy potasu-40" (II All-Polish Scientific Meeting on Dating of Minerals based on Radioactive Decay of Potassium-40), Postępy Fizyki, 47, 189-190.

10) Durakiewicz T., editor of conference materials (1995) II Ogólnopolska Sesja Naukowa "Datowanie mineralów w oparciu o rozpad promieniotwórczy potasu-40", Lublin 26-27 października 1995, 1-61.

11) Durakiewicz T. (1995) Program XXVI Pokazów z Fizyki (Program of the XXV Show in Physics), Lubelski Oddzial Pol. Tow. Fiz., Lublin.

12) Durakiewicz T. (1995) VII Międzynarodowa Konferencja Geologii, Kosmo- chronologii i Geologii Izotopowej w Berkeley (Eight International Conference of Isotope Geology, Chronology and Cosmochronology in Berkeley), Postępy Fizyki, 46, 1, 77-78.

13) Durakiewicz T., (1995) Oddzial Lubelski PTF - korespondencja (Correspondence from the Lublin Division of the Polish Physical Society), Postępy Fizyki, 46, 297-298.

14) Durakiewicz T., editor of conference materials (1994) I Ogólnopolska Sesja Naukowa "Datowanie mineralów w oparciu o rozpad promieniotwórczy potasu-40", Lublin 27-28 października 1994, 1-39.

15) Durakiewicz T. (1994) Program XXV Pokazów z Fizyki (Program of the XXV Show in Physics), Lubelski Oddzial Pol. Tow. Fiz., Lublin.

16) Durakiewicz T., (1994) Ósma Międzynarodowa Konferencja Geologii, Kosmo- chronologii i Geologii Izotopowej, Berkeley, Kalifornia, 05-11.06.1994 (Eight International Conference of Isotope Geology, Chronology and Cosmochronology, Berkeley, CA, 05-11.06.1994), Przegl. Geol., 43, 12, 1044-1045.

17) Durakiewicz T. (1993) Prosty syntezator mowy (Simple speech synthetsizer), N. Elektronik, 11, 5-6.

18) Durakiewicz T. (1993) Gad - przodek czlowieka (Reptile - a man's ancestor), Tygodnik Domowy, 42, 10-11 .

19) Durakiewicz T. (1993) Potoczny stereotyp jako wróg wiedzy ścislej (Common stereotype as an enemy of the sciences), Wiadomości Uniwersyteckie, 3, 13.

20) Durakiewicz T. (1993) Korespondencja z Oddzialu Lubelskiego Polskiego Tow. Fizycznego (Correspondence from the Lublin Division of the Polish Physical Society), Postępy Fizyki, 44, 6, 631 - 632.

21) Halas S., Durakiewicz T. (1993) Program XXIV Pokazów z Fizyki (Program of the XXIV Show in Physics), Lubelski Oddzial Pol. Tow. Fiz., Lublin.

22) Durakiewicz T. (1992) Międzynarodowe sympozjum "Isotope Workshop" (International symposium "Isotope Workshop"), Lublin, Przegl. Geol. 11, 704.

23) Durakiewicz T. (1992) Warsztat izotopowy (Isotope Workshop), Wiadomości Uniwersyteckie, 6, 22.

24) Durakiewicz T. (1992) Warsztat Izotopowy : impresje z międzynarodowego Sympozjum (Isotope Workshop - impresions from the international Symposium) Postępy Fizyki, 43, 6, 579 – 580.