Quantum Materials Publications

(October 2006–September 2007)

Neutron & X-Ray Scattering Studies of Quantum Materials
R. J. Birgeneau, C. Stock, J. M. Tranquada and K. Yamada, "Magnetic Neutron Scattering in Hole-Doped Cuprate Superconductors", Journal of the Physical Society of Japan 75 (11), 111003 (2006).
M. Ramazanoglu, S. Larochelle, C. W. Garland and R. J. Birgeneau, "High-Resolution X-Ray Scattering Study of the Effect of Quenched Random Disorder on the Nematic-Smectic-a Transition", Physical Review E 75 (6), 061705 (2007).
C. Stock, R. A. Cowley, W. J. L. Buyers, R. Coldea, C. Broholm, C. D. Frost, R. J. Birgeneau, R. Liang, D. Bonn and W. N. Hardy, "Evidence for Decay of Spin Waves above the Pseudogap of Underdoped Yba2cu3o6.35", Physical Review B 75 (17), 172510 (2007).
S. Wakimoto, K. Yamada, J. M. Tranquada, C. D. Frost, R. J. Birgeneau and H. Zhang, "Disappearance of Antiferromagnetic Spin Excitations in Overdoped La2-Xsrxcuo4", Physical Review Letters 98 (24), 247003 (2007).

Bridging the Gap between Electronic, Spin & Lattice Degrees of Freedom
A. Brambilla, P. Biagioni, N. Rougemaille, A. K. Schmid, A. Lanzara, L. Duo, F. Ciccacci and M. Finazzi, "Nano-Sized Magnetic Instabilities in Fe/Nio/Fe(001) Epitaxial Thin Films", Thin Solid Films 515 (2), 712-715 (2006).
D. R. Garcia, G. H. Gweon, S. Y. Zhou, J. Graf, C. M. Jozwiak, M. H. Jung, Y. S. Kwon and A. Lanzara, "Revealing Charge Density Wave Formation in the Late2 System by Angle Resolved Photoemission Spectroscopy", Physical Review Letters 98 (16), 166403 (2007).
D. R. Garcia, S. Y. Zhou, G. H. Gweon, M. H. Jung, Y. S. Kwon and A. Lanzara, "Probing the Band Structure of Late2 Using Angle Resolved Photoemission Spectroscopy", Journal of Electron Spectroscopy and Related Phenomena 156, 58-63 (2007).
J. Graf, G. H. Gweon and A. Lanzara, "Universal Waterfall-Like Feature in the Spectral Function of High Temperature Superconductors", Physica C-Superconductivity and Its Applications 460, 194-197 (2007).
J. Graf, G. H. Gweon, K. McElroy, S. Y. Zhou, C. Jozwiak, E. Rotenberg, A. Bill, T. Sasagawa, H. Eisaki, S. Uchida, H. Takagi, D. H. Lee and A. Lanzara, "Universal High Energy Anomaly in the Angle-Resolved Photoemission Spectra of High Temperature Superconductors: Possible Evidence of Spinon and Holon Branches", Physical Review Letters 98 (6), 067004 (2007).
G. H. Gweon, S. Y. Zhou, M. C. Watson, T. Sasagawa, H. Takagi and A. Lanzara, "Strong and Complex Electron-Lattice Correlation in Optimally Doped Bi2sr2cacu2o8+Delta", Physical Review Letters 97 (22), 227001 (2006).
A. Lanzara, J. Graf, G. H. Gweon, T. Sasagawa, H. Eisaki, H. Takagi and S. I. Uchida, "Unusual Spectral Weight Transfer in High Temperature Superconductors", Journal of Electron Spectroscopy and Related Phenomena 156, XXVIII (2007).
E. Rolling, G. H. Gweon, S. Y. Zhou, B. S. Mun, J. L. McChesney, B. S. Hussain, A. Fedorov, P. N. First, W. A. de Heer and A. Lanzara, "Synthesis and Characterization of Atomically Thin Graphite Films on a Silicon Carbide Substrate", Journal of Physics and Chemistry of Solids 67 (9-10), 2172-2177 (2006).

D.H. Lee
Physics of Strongly Correlated Materials

C. H. Chern and D. H. Lee, "New Family of Models for Incompressible Quantum Liquids in D >= 2", Physical Review Letters 98 (6), 066804 (2007).
H. Fu and D. H. Lee, "Dichotomy between the Nodal and Antinodal Excitations in High-Temperature Superconductors", Physical Review B 74 (17), 174513 (2006).
S. Tewari, S. Das Sarma and D. H. Lee, "Index Theorem for the Zero Modes of Majorana Fermion Vortices in Chiral P-Wave Superconductors", Physical Review Letters 99 (3), 037001 (2007).
C. Q. Wu, J. X. Li and D. H. Lee, "Switching and Nonswitching Phases of Photomechanical Molecules in Dissipative Environments", Physical Review Letters 99 (3), 038302 (2007).

Quantum Materials -  Theory

J. Graf, G. H. Gweon, K. McElroy, S. Y. Zhou, C. Jozwiak, E. Rotenberg, A. Bill, T. Sasagawa, H. Eisaki, S. Uchida, H. Takagi, D. H. Lee and A. Lanzara, "Universal High Energy Anomaly in the Angle-Resolved Photoemission Spectra of High Temperature Superconductors: Possible Evidence of Spinon and Holon Branches", Physical Review Letters 98 (6), 067004 (2007).
C. Honerkamp, H. C. Fu and D. H. Lee, "Phonons and D-Wave Pairing in the Two-Dimensional Hubbard Model", Physical Review B 75 (1), 014503 (2007).
J. X. Li, C. Q. Wu and D. H. Lee, "Checkerboard Charge Density Wave and Pseudogap of High-T-C Cuprate", Physical Review B 74 (18), 184515 (2006).
T. C. Ribeiro, A. Seidel, J. H. Han and D. H. Lee, "The Electronic States of Two Oppositely Doped Mott Insulators Bilayers", Europhysics Letters 76 (5), 891-897 (2006).
Y. Y. Wang, R. Yamachika, A. Wachowiak, M. Grobis, K. H. Khoo, D. H. Lee, S. G. Louie and M. F. Crommie, "Novel Orientational Ordering and Reentrant Metallicity in KxC60 Monolayers for 3 <= X <= 5", Physical Review Letters 99 (8), 086402 (2007).

D. Podolsky, A. Vishwanath, J. Moore and S. Sachdev, "Thermoelectric Transport near Pair Breaking Quantum Phase Transition out of D-Wave Superconductivity", Physical Review B 75 (1), 014520 (2007).

J. F. Ihlefeld, A. Kumar, V. Gopalan, D. G. Schlom, Y. B. Chen, X. Q. Pan, T. Heeg, J. Schubert, X. Ke, P. Schiffer, J. Orenstein, L. W. Martin, Y. H. Chu and R. Ramesh, "Adsorption-Controlled Molecular-Beam Epitaxial Growth of BiFeO3", Applied Physics Letters 91 (7), 071922 (2007).

S. V. Kalinin, S. Jesse, B. J. Rodriguez, K. Seal, A. P. Baddorf, T. Zhao, Y. H. Chu, R. Ramesh, E. A. Eliseev, A. N. Morozovska, B. Mirman and E. Karapetian, "Recent Advances in Electromechanical Imaging on the Nanometer Scale: Polarization Dynamics in Ferroelectrics, Biopolymers, and Liquid Imaging", Japanese Journal of Applied Physics Part 1-Regular Papers Brief Communications & Review Papers 46 (9A), 5674-5685 (2007).
J. F. Ihlefeld, A. Kumar, V. Gopalan, D. G. Schlom, Y. B. Chen, X. Q. Pan, T. Heeg, J. Schubert, X. Ke, P. Schiffer, J. Orenstein, L. W. Martin, Y. H. Chu and R. Ramesh, "Adsorption-Controlled Molecular-Beam Epitaxial Growth of Bifeo3", Applied Physics Letters 91 (7), 071922 (2007).
C. L. Jia, V. Nagarajan, J. Q. He, L. Houben, T. Zhao, R. Ramesh, K. Urban and R. Waser, "Unit-Cell Scale Mapping of Ferroelectricity and Tetragonality in Epitaxial Ultrathin Ferroelectric Films", Nature Materials 6 (1), 64-69 (2007).
L. W. Molenkamp, J. S. Moodera, H. Morkoc, H. Ohno and R. Ramesh, "Foreword - Special Issue on Spintronics", Ieee Transactions on Electron Devices 54 (5), 904-906 (2007).
J. Ouyang, J. Slusker, I. Levin, D. M. Kim, C. B. Eom, R. Ramesh and A. L. Roytburd, "Engineering of Self-Assembled Domain Architectures with Ultra-High Piezoelectric Response in Epitaxial Ferroelectric Films", Advanced Functional Materials 17 (13), 2094-2100 (2007).
Y. Qi, S. M. Anlage, H. Zheng and R. Ramesh, "Local Dielectric Measurements of Batio3-Cofe2o4 Nanocomposites through Microwave Microscopy", Journal of Materials Research 22 (5), 1193-1199 (2007).
A. Z. Simoes, M. P. Cruz, A. Ries, E. Longo, J. A. Varela and R. Ramesh, "Ferroelectric and Piezoelectric Properties of Bismuth Titanate Thin Films Grown on Different Bottom Electrodes by Soft Chemical Solution and Microwave Annealing", Materials Research Bulletin 42 (5), 975-981 (2007).
J. X. Zhang, Y. L. Li, D. G. Schlom, L. Q. Chen, F. Zavaliche, R. Ramesh and Q. X. Jia, "Phase-Field Model for Epitaxial Ferroelectric and Magnetic Nanocomposite Thin Films", Applied Physics Letters 90 (5), 052909 (2007).
H. M. Zheng, J. Kreisel, Y. H. Chu, R. Ramesh and L. Salamanca-Riba, "Heteroepitaxially Enhanced Magnetic Anisotropy in Batio3-Cofe2o4 Nanostructures", Applied Physics Letters 90 (11), 113113 (2007).

A. Kumar, L. W. Martin, S. Denev, J. B. Kortright, Y. Suzuki, R. Ramesh and V. Gopalan, "Polar and Magnetic Properties of Pbvo3 Thin Films", Physical Review B 75 (6), 060101 (2007).
L. W. Martin, Q. Zhan, Y. Suzuki, R. Ramesh, M. F. Chi, N. Browning, T. Mizoguchi and J. Kreisel, "Growth and Structure of Pbvo3 Thin Films", Applied Physics Letters 90 (6), 062903 (2007).

A. M. Turner, R. Barnett, E. Demler and A. Vishwanath, "Nematic Order by Disorder in Spin-2 Bose-Einstein Condensates", Physical Review Letters 98 (19), 190404 (2007).
F. Wang, A. Vishwanath and Y. B. Kim, "Quantum and Classical Spins on the Spatially Distorted Kagome Lattice: Applications to Volborthite Cu3v2o7(Oh)(2)Center Dot 2h(2)O", Physical Review B 76 (9), 094421 (2007).
B. Binz and A. Vishwanath, "Theory of Helical Spin Crystals: Phases, Textures, and Properties", Physical Review B 74 (21), 214408 (2006).

LDRD Funded Research

A. Vishwanath
Science and Technology of Quantum Materials

A. G. Green, J. E. Moore, S. L. Sondhi and A. Vishwanath, "Current Noise in the Vicinity of the 2d Superconductor-Insulator Quantum Critical Point", Physical Review Letters 97 (22), 227003 (2006).
D. Podolsky, A. Vishwanath, J. Moore and S. Sachdev, "Thermoelectric Transport near Pair Breaking Quantum Phase Transition out of D-Wave Superconductivity", Physical Review B 75 (1), 014520 (2007).
F. Wang and A. Vishwanath, "Spin-Liquid States on the Triangular and Kagome Lattices: A Projective-Symmetry-Group Analysis of Schwinger Boson States", Physical Review B 74 (17), 174423 (2006).