• BRIEF REPORTS
  • Electronic structure: wide-band, narrow-band, and strongly correlated systems
  • Semiconductors I: bulk
  • Semiconductors II: surfaces, interfaces, microstructures, and related topics
  • Surface physics, low-dimensional systems, and related topics
• ARTICLES
  • Electronic structure: wide-band, narrow-band, and strongly correlated systems
  • Semiconductors I: bulk
  • Semiconductors II: surfaces, interfaces, microstructures, and related topics
  • Surface physics, low-dimensional systems, and related topics
• COMMENTS
• ERRATA

BRIEF REPORTS

Electronic structure: wide-band, narrow-band, and strongly correlated systems

•	Large-U cluster-Hamiltonian expansion of the Hubbard model Dimitri Antoniou and A. H. MacDonald pp. 6855-6858 [View PDF (130 kB) or Buy this Article (Use Article Pack) ]

•	Semianalytical form for the local-field correction J. L. Bretonnet and M. Boulahbak pp. 6859-6861 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

•	Band tails, length scales, and localization Ronald Fisch pp. 6862-6864 [View PDF (62 kB) or Buy this Article (Use Article Pack) ]

•	Control of the finite-size corrections in exact diagonalization studies Claudius Gros pp. 6865-6868 [View PDF (126 kB) or Buy this Article (Use Article Pack) ]

•	Mixed ultrasoft/norm-conserved pseudopotential scheme K. Stokbro pp. 6869-6872 [View PDF (93 kB) or Buy this Article (Use Article Pack) ]

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Temperature-dependent photoemission spectral weight in La0.6Sr0.4MnO3 D. D. Sarma, N. Shanthi, S. R. Krishnakumar, T. Saitoh, T. Mizokawa, A. Sekiyama, K. Kobayashi, A. Fujimori, E. Weschke, R. Meier, G. Kaindl, Y. Takeda, and M. Takano pp. 6873-6876 [View PDF (104 kB) or Buy this Article (Use Article Pack) ]

•	Insulator-to-metal transition in Kondo insulators under a strong magnetic field Tetsuro Saso and Masatoshi Itoh pp. 6877-6880 [View PDF (118 kB) or Buy this Article (Use Article Pack) ]

•	Optical absorption and interband transitions in CePd7 S. Bouarab, A. Vega, and M. A. Khan pp. 6881-6884 [View PDF (100 kB) or Buy this Article (Use Article Pack) ]

Semiconductors I: bulk

•	Inelastic interaction of nonequilibrium electrons with acoustic phonons at low lattice temperatures N. Chakrabarti and D. P. Bhattacharya pp. 6885-6888 [View PDF (120 kB) or Buy this Article (Use Article Pack) ]

•	Electron-electron scattering in far-infrared quantum cascade lasers Per Hyldgaard and John W. Wilkins pp. 6889-6892 [View PDF (163 kB) or Buy this Article (Use Article Pack) ]

•	Γ-X intervalley-scattering time constant for GaAs estimated from hot-electron noise spectroscopy data V. Aninkevičius, V. Bareikis, R. Katilius, J. Liberis, I. Matulionienė, A. Matulionis, P. Sakalas, and R. Šaltis pp. 6893-6895 [View PDF (69 kB) or Buy this Article (Use Article Pack) ]

•	Determination of deformation-potential constants from quantum-limit cyclotron-resonance linewidths for Ge with anisotropic scattering Yong Jai Cho and Sang Don Choi pp. 6896-6899 [View PDF (141 kB) or Buy this Article (Use Article Pack) ]

•	Precursor defect to the vacancy-dioxygen center in Si C. A. Londos, N. Sarlis, L. G. Fytros, and K. Papastergiou pp. 6900-6903 [View PDF (111 kB) or Buy this Article (Use Article Pack) ]

•	Time-resolved observation of coherent phonons by the Franz-Keldysh effect G. C. Cho, H. J. Bakker, T. Dekorsy, and H. Kurz pp. 6904-6907 [View PDF (82 kB) or Buy this Article (Use Article Pack) ]

Semiconductors II: surfaces, interfaces, microstructures, and related topics

•	Dispersion theory of the polaron in a quasi-one-dimensional structure V. V. Paranjape pp. 6908-6911 [View PDF (102 kB) or Buy this Article (Use Article Pack) ]

•	E1 transition in (113)-oriented GaAs/AlAs multiple quantum wells: Confinement effects and optical anisotropy J. A. Prieto and G. Armelles pp. 6912-6914 [View PDF (76 kB) or Buy this Article (Use Article Pack) ]

•	Structures of atomic steps on the 7×7 reconstructed Si(111) surface Yafei Wang and Tien T. Tsong pp. 6915-6918 [View PDF (542 kB) or Buy this Article (Use Article Pack) ]

•	Impurity band and magnetic-field-induced metal-insulator transition in a doped GaAs/AlxGa1-xAs superlattice W. Hilber, M. Helm, F. M. Peeters, K. Alavi, and R. N. Pathak pp. 6919-6922 [View PDF (77 kB) or Buy this Article (Use Article Pack) ]

•	Phonon strain-shift coefficients of Si1-xGex grown on Ge(001) M. Stoehr, D. Aubel, S. Juillaguet, J. L. Bischoff, L. Kubler, D. Bolmont, F. Hamdani, B. Fraisse, and R. Fourcade pp. 6923-6926 [View PDF (95 kB) or Buy this Article (Use Article Pack) ]

•	Reconstructions on the Si(113) surface H. Sakama, D. Kunimatsu, M. Kageshima, and A. Kawazu pp. 6927-6930 [View PDF (232 kB) or Buy this Article (Use Article Pack) ]

•	Quantum limits on classical permanent memories C. A. Sá de Melo pp. 6931-6934 [View PDF (136 kB) or Buy this Article (Use Article Pack) ]

•	Direct determination of exact charge states of surface point defects using scanning tunneling microscopy: As vacancies on GaAs (110) Kuo-Jen Chao, Arthur R. Smith, and Chih-Kang Shih pp. 6935-6938 [View PDF (273 kB) or Buy this Article (Use Article Pack) ]

•	Tight-binding study of optical properties in short-period In0.53Ga0.47As/InP superlattices V. Sankaran, K. W. Kim, and G. J. Iafrate pp. 6939-6942 [View PDF (122 kB) or Buy this Article (Use Article Pack) ]

•	Electronic-transport properties of parallel double-ring systems Youyan Liu, Honglin Wang, Zhao-Qing Zhang, and Xiujun Fu pp. 6943-6946 [View PDF (152 kB) or Buy this Article (Use Article Pack) ]

•	Landau quantization and the Aharonov-Bohm effect in a two-dimensional ring W.-C. Tan and J. C. Inkson pp. 6947-6950 [View PDF (170 kB) or Buy this Article (Use Article Pack) ]

•	Nonlinear piezoelectricity: The effect of pressure on CdTe R. André, J. Cibert, Le Si Dang, J. Zeman, and M. Zigone pp. 6951-6954 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

•	Theory of phonon replicas in superlattice photoluminescence excitation spectra A. N. Forshaw and D. M. Whittaker pp. 6955-6958 [View PDF (91 kB) or Buy this Article (Use Article Pack) ]

•	Magneto-optical determination of exciton binding energies in quantum-wire superlattices H. Weman, M. Potemski, M. E. Lazzouni, M. S. Miller, and J. L. Merz pp. 6959-6962 [View PDF (89 kB) or Buy this Article (Use Article Pack) ]

•	Magneto-optics in a square-well quantum dot Ryuichi Ugajin pp. 6963-6966 [View PDF (151 kB) or Buy this Article (Use Article Pack) ]

•	Dimensional effects in photoelectron spectra of Ag deposits on GaAs(110) surfaces V. Gasparian, E. Louis, and J. A. Vergés pp. 6967-6970 [View PDF (95 kB) or Buy this Article (Use Article Pack) ]

•	Effects of scattering centers on the energy spectrum of a quantum dot V. Halonen, P. Hyvönen, P. Pietiläinen, and Tapash Chakraborty pp. 6971-6974 [View PDF (120 kB) or Buy this Article (Use Article Pack) ]

•	Diffusion of electrons in two-dimensional disordered symplectic systems Tohru Kawarabayashi and Tomi Ohtsuki pp. 6975-6978 [View PDF (116 kB) or Buy this Article (Use Article Pack) ]

•	Quantum breathing mode for electrons with 1/r2 interaction Michael R. Geller and Giovanni Vignale pp. 6979-6980 [View PDF (62 kB) or Buy this Article (Use Article Pack) ]

•	Skyrmion liquid in SU(2)-invariant quantum Hall systems A. G. Green, I. I. Kogan, and A. M. Tsvelik pp. 6981-6983 [View PDF (89 kB) or Buy this Article (Use Article Pack) ]

•	Gap shift and bistability in two-dimensional nonlinear optical superlattices Zhen-Lin Wang, Yong-Yuan Zhu, Zhen-Ju Yang, and Nai-Ben Ming pp. 6984-6987 [View PDF (106 kB) or Buy this Article (Use Article Pack) ]

•	Quantitative theory of third-harmonic generation in an (InAs)0.7(GaSb)0.3/(AlSb) superlattice S. A. Hosseini, M. J. Shaw, and M. Jaros pp. 6988-6991 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

•	Different quantum behavior of the E1 and E2 spectral structures in Ge nanocrystals P. Tognini, L. C. Andreani, M. Geddo, A. Stella, P. Cheyssac, R. Kofman, and A. Migliori pp. 6992-6995 [View PDF (213 kB) or Buy this Article (Use Article Pack) ]

Surface physics, low-dimensional systems, and related topics

•	Electron stimulated desorption of negative and positive hydrogen ions from hydrogenated silicon surfaces A. Hoffman and M. Petravić pp. 6996-6998 [View PDF (59 kB) or Buy this Article (Use Article Pack) ]

•	Structure model for the type-C defect on the Si(001) surface Tsuyoshi Uda and Kiyoyuki Terakura pp. 6999-7001 [View PDF (59 kB) or Buy this Article (Use Article Pack) ]

•	Optical properties of the vibrations in charged C60 molecules Arthur P. Smith and George F. Bertsch pp. 7002-7005 [View PDF (71 kB) or Buy this Article (Use Article Pack) ]

•	van der Waals attraction between simple metal clusters: Core effects using realistic pseudopotentials Ll. Serra and F. Garcias pp. 7006-7009 [View PDF (118 kB) or Buy this Article (Use Article Pack) ]

ARTICLES

Electronic structure: wide-band, narrow-band, and strongly correlated systems

•	Berry phase, hyperorbits, and the Hofstadter spectrum: Semiclassical dynamics in magnetic Bloch bands Ming-Che Chang and Qian Niu pp. 7010-7023 [View PDF (376 kB) or Buy this Article (Use Article Pack) ]

•	Exact treatment of exchange in Kohn-Sham band-structure schemes Andreas Görling pp. 7024-7029 [View PDF (136 kB) or Buy this Article (Use Article Pack) ]

•	Hybridization effects in unoccupied 4f states of Ce compounds L. Duò, P. Vavassori, L. Braicovich, M. Grioni, D. Malterre, Y. Baer, and G. L. Olcese pp. 7030-7034 [View PDF (92 kB) or Buy this Article (Use Article Pack) ]

•	Semiclassical analysis of the quantum interference corrections to the conductance of mesoscopic systems Nathan Argaman pp. 7035-7054 [View PDF (394 kB) or Buy this Article (Use Article Pack) ]

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Magnetic circular dichroism of the S 2p, Co 2p, and Co 3p core absorption and orbital angular momentum of the Co 3d state in low-spin CoS2 T. Muro, T. Shishidou, F. Oda, T. Fukawa, H. Yamada, A. Kimura, S. Imada, S. Suga, S. Y. Park, T. Miyahara, and K. Sato pp. 7055-7058 [View PDF (121 kB) or Buy this Article (Use Article Pack) ]

•	Green’s-function theory for row and periodic defect arrays in photonic band structures Arthur R. McGurn pp. 7059-7064 [View PDF (137 kB) or Buy this Article (Use Article Pack) ]

•	Derivation of nondiagonal effective dielectric-permeability tensors for magnetized granular composites Masanori Abe pp. 7065-7075 [View PDF (234 kB) or Buy this Article (Use Article Pack) ]

•	Optical sum rules and effective-medium theories for a polycrystalline material: Application to a model for polypyrrole D. Stroud and A. Kazaryan pp. 7076-7084 [View PDF (187 kB) or Buy this Article (Use Article Pack) ]

•	Electronic properties of strongly correlated states in dicyanoquinonediimine-Cu organic conductors T. Ogawa and Y. Suzumura pp. 7085-7093 [View PDF (227 kB) or Buy this Article (Use Article Pack) ]

•	Anisotropy of the hole drift mobility in barium titanate Daniel Mahgerefteh, Dimitri Kirillov, Roger S. Cudney, G. David Bacher, Robert M. Pierce, and Jack Feinberg pp. 7094-7098 [View PDF (114 kB) or Buy this Article (Use Article Pack) ]

•	3s2p inelastic x-ray scattering of CaF2 F. M. de Groot pp. 7099-7110 [View PDF (219 kB) or Buy this Article (Use Article Pack) ]

•	Ab initio calculation of electronic structure, crystal field, and intrinsic magnetic properties of Sm2Fe17, Sm2Fe17N3, Sm2Fe17C3, and Sm2Co17 Lutz Steinbeck, Manuel Richter, Ulrike Nitzsche, and Helmut Eschrig pp. 7111-7127 [View PDF (476 kB) or Buy this Article (Use Article Pack) ]

•	Pressure dependence of the electrical residual resistivity of disordered alloys John Banhart pp. 7128-7133 [View PDF (134 kB) or Buy this Article (Use Article Pack) ]

•	Hexagonal photonic-band-gap structures D. Cassagne, C. Jouanin, and D. Bertho pp. 7134-7142 [View PDF (216 kB) or Buy this Article (Use Article Pack) ]

•	Andersen’s force theorem and the local stress field Jürgen Gräfenstein and Paul Ziesche pp. 7143-7146 [View PDF (118 kB) or Buy this Article (Use Article Pack) ]

•	Linear-scaling density-functional-theory technique: The density-matrix approach E. Hernández, M. J. Gillan, and C. M. Goringe pp. 7147-7157 [View PDF (204 kB) or Buy this Article (Use Article Pack) ]

•	t2g versus all 3d localization in LaMO3 perovskites (M=Ti–Cu): First-principles study Igor Solovyev, Noriaki Hamada, and Kiyoyuki Terakura pp. 7158-7170 [View PDF (255 kB) or Buy this Article (Use Article Pack) ]

•	Ground-state instabilities in the one-dimensional Penson-Kolb-Hubbard model A. Belkasri and F. D. Buzatu pp. 7171-7175 [View PDF (142 kB) or Buy this Article (Use Article Pack) ]

Semiconductors I: bulk

•	Application of empirical interatomic potentials to liquid Si Manabu Ishimaru, Kou Yoshida, and Teruaki Motooka pp. 7176-7181 [View PDF (129 kB) or Buy this Article (Use Article Pack) ]

•	Role of radiolytic oxygen in the x-ray production and thermal annealing of defects in high-purity amorphous SiO2 Lin Zhang, V. A. Mashkov, and R. G. Leisure pp. 7182-7189 [View PDF (167 kB) or Buy this Article (Use Article Pack) ]

•	Deep-level transient-spectroscopy study of rhodium in indium phosphide A. Dadgar, D. Ammerlahn, A. Näser, R. Heitz, M. Kuttler, D. Bimberg, N. Baber, J. Y. Hyeon, and H. Schumann pp. 7190-7196 [View PDF (144 kB) or Buy this Article (Use Article Pack) ]

•	Disordering of natural superlattice in (Ga,In)P induced by electron irradiation N. Noda and S. Takeda pp. 7197-7204 [View PDF (329 kB) or Buy this Article (Use Article Pack) ]

•	Lattice distortions and electronic structure in the negative silicon vacancy Frederick G. Anderson, Frank S. Ham, and Gunter Grossmann pp. 7205-7216 [View PDF (217 kB) or Buy this Article (Use Article Pack) ]

•	Effective Hamiltonian and exchange integrals in IV-VI semimagnetic semiconductors at finite temperature Tomasz M. Rusin pp. 7217-7221 [View PDF (153 kB) or Buy this Article (Use Article Pack) ]

•	Dynamics of conformational defects in poly(3-hexyl)thiophene Geraldo Magela e Silva, Alexandre Naves de Brito, and Nestor Correia pp. 7222-7226 [View PDF (112 kB) or Buy this Article (Use Article Pack) ]

•	Quantum saturation and condensation of excitons in Cu2O: A theoretical study G. M. Kavoulakis, Gordon Baym, and J. P. Wolfe pp. 7227-7243 [View PDF (367 kB) or Buy this Article (Use Article Pack) ]

•	Influence of a phonon bath on the hierarchy of electronic densities in an optically excited semiconductor V. M. Axt, K. Victor, and A. Stahl pp. 7244-7258 [View PDF (293 kB) or Buy this Article (Use Article Pack) ]

•	Contribution of quantum and thermal fluctuations to the elastic moduli and dielectric constants of covalent semiconductors K. Karch, T. Dietrich, W. Windl, P. Pavone, A. P. Mayer, and D. Strauch pp. 7259-7266 [View PDF (171 kB) or Buy this Article (Use Article Pack) ]

Semiconductors II: surfaces, interfaces, microstructures, and related topics

•	Investigation of the spatial distribution of dangling bonds in light-soaked hydrogenated amorphous silicon Jiang-Huai Zhou, Minoru Kumeda, and Tatsuo Shimizu pp. 7267-7274 [View PDF (138 kB) or Buy this Article (Use Article Pack) ]

•	Band spectra of rectangular graph superlattices P. Exner and R. Gawlista pp. 7275-7286 [View PDF (482 kB) or Buy this Article (Use Article Pack) ]

•	Effects of finite spin-orbit splitting on optical properties of spherical semiconductor quantum dots Tristan Richard, Pierre Lefebvre, Henry Mathieu, and Jacques Allègre pp. 7287-7298 [View PDF (275 kB) or Buy this Article (Use Article Pack) ]

•	Surface plasmon in a two-dimensional Anderson insulator with interactions T. V. Shahbazyan and M. E. Raikh pp. 7299-7307 [View PDF (207 kB) or Buy this Article (Use Article Pack) ]

•	Electron-phonon scattering in a two-dimensional electron gas in a very strong magnetic field near the percolation threshold S. Iordanski and Y. Levinson pp. 7308-7316 [View PDF (256 kB) or Buy this Article (Use Article Pack) ]

•	Dielectric function of the two-dimensional electron liquid: An analytical fitting Ceyhun Bulutay and Mehmet Tomak pp. 7317-7321 [View PDF (128 kB) or Buy this Article (Use Article Pack) ]

•	Monte Carlo simulations of the spatial transport of excitons in a quantum well structure Yutaka Takahashi pp. 7322-7333 [View PDF (256 kB) or Buy this Article (Use Article Pack) ]

•	Dimer reconstruction and electronic surface states on clean and hydrogenated diamond (100) surfaces J. Furthmüller, J. Hafner, and G. Kresse pp. 7334-7351 [View PDF (359 kB) or Buy this Article (Use Article Pack) ]

•	Quasiparticle effective mass for the two- and three-dimensional electron gas Andrey Krakovsky and Jerome K. Percus pp. 7352-7356 [View PDF (125 kB) or Buy this Article (Use Article Pack) ]

•	Electronic spectral function for a two-dimensional electron system in the fractional quantum Hall regime Rudolf Haussmann pp. 7357-7375 [View PDF (356 kB) or Buy this Article (Use Article Pack) ]

•	Transient-estimate Monte Carlo in the two-dimensional electron gas Yongkyung Kwon, D. M. Ceperley, and Richard M. Martin pp. 7376-7382 [View PDF (136 kB) or Buy this Article (Use Article Pack) ]

•	Current fluctuations in a single tunnel junction Hyunwoo Lee and L. S. Levitov pp. 7383-7391 [View PDF (196 kB) or Buy this Article (Use Article Pack) ]

•	Theory of single-electron tunneling in resonant-tunneling diodes including scattering and multiple subbands at finite temperature K. M. Indlekofer, J. Lange, A. Förster, and H. Lüth pp. 7392-7402 [View PDF (217 kB) or Buy this Article (Use Article Pack) ]

•	Electron-electron interactions and two-dimensional–two-dimensional tunneling T. Jungwirth and A. H. MacDonald pp. 7403-7412 [View PDF (214 kB) or Buy this Article (Use Article Pack) ]

•	Enhanced transmission through a disordered potential barrier V. Freilikher, M. Pustilnik, and I. Yurkevich pp. 7413-7416 [View PDF (137 kB) or Buy this Article (Use Article Pack) ]

•	Local aspects of the As-stabilized 2×3 reconstructed (001) surface of strained Inx Ga1-xAs alloys: A first-principles study L. Bellaiche, K. Kunc, M. Sauvage-Simkin, Y. Garreau, and R. Pinchaux pp. 7417-7420 [View PDF (80 kB) or Buy this Article (Use Article Pack) ]

•	Exciton localization by potential fluctuations at the interface of InGaAs/GaAs quantum wells F. Martelli, A. Polimeni, A. Patanè, M. Capizzi, P. Borri, M. Gurioli, M. Colocci, A. Bosacchi, and S. Franchi pp. 7421-7425 [View PDF (75 kB) or Buy this Article (Use Article Pack) ]

•	Low-temperature photoluminescence of disordered thin-layer GaAs/AlAs superlattices: Experiment Y. A. Zhang, J. A. Strozier, and Alex Ignatiev pp. 7426-7433 [View PDF (151 kB) or Buy this Article (Use Article Pack) ]

•	Low-temperature photoluminescence of disordered thin-layer GaAs/AlAs superlattices: Kinetic model Y. A. Zhang, J. A. Strozier, and Alex Ignatiev pp. 7434-7441 [View PDF (158 kB) or Buy this Article (Use Article Pack) ]

Surface physics, low-dimensional systems, and related topics

•	Electronic structures of fullerenes Cn with Ih symmetry and n=20k2 Au Chin Tang, Fu Qiang Huang, and Ruo Zhuang Liu pp. 7442-7450 [View PDF (168 kB) or Buy this Article (Use Article Pack) ]

•	Morphology of islanded transition-metal films on graphite studied by extreme-UV reflectivity C. Binns, S. H. Baker, A. M. Keen, S. N. Mozley, C. Norris, H. S. Derbyshire, and S. C. Bayliss pp. 7451-7459 [View PDF (188 kB) or Buy this Article (Use Article Pack) ]

•	Bending of a film-substrate system by epitaxy P. M. Marcus pp. 7460-7465 [View PDF (141 kB) or Buy this Article (Use Article Pack) ]

•	Chemisorption and fragmentation of C60 on Pt(111) and Ni(110) C. Cepek, A. Goldoni, and S. Modesti pp. 7466-7472 [View PDF (722 kB) or Buy this Article (Use Article Pack) ]

•	Atomic arrangement at the AlN/SiC interface F. A. Ponce, C. G. Van de Walle, and J. E. Northrup pp. 7473-7478 [View PDF (215 kB) or Buy this Article (Use Article Pack) ]

•	Substrate and hydrogen phonons of the ordered p(2×1) and (2×2) phase and of the anomalous (1×1) phase of hydrogen on W(110) M. Balden, S. Lehwald, and H. Ibach pp. 7479-7491 [View PDF (263 kB) or Buy this Article (Use Article Pack) ]

•	Adsorption, migration, and superlattice formation of benzene on Pd(110) Jun Yoshinobu, Hiroyuki Tanaka, Tomoji Kawai, and Maki Kawai pp. 7492-7495 [View PDF (424 kB) or Buy this Article (Use Article Pack) ]

•	Ultraviolet photoelectron spectra of C86 and C90 Shojun Hino, Kazunori Umishita, Kentaro Iwasaki, Takafumi Miyazaki, Koichi Kikuchi, and Yohji Achiba pp. 7496-7499 [View PDF (86 kB) or Buy this Article (Use Article Pack) ]

•	First-layer island growth during epitaxy S. Harris pp. 7500-7503 [View PDF (82 kB) or Buy this Article (Use Article Pack) ]

•	Effects of carbon on Fe-grain-boundary cohesion: First-principles determination Ruqian Wu, A. J. Freeman, and G. B. Olson pp. 7504-7509 [View PDF (162 kB) or Buy this Article (Use Article Pack) ]

•	Energy and angular distributions of hyperthermal-energy Li+ scattered from Cu(001) E. R. Behringer, J. G. McLean, and B. H. Cooper pp. 7510-7523 [View PDF (312 kB) or Buy this Article (Use Article Pack) ]

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