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ARTICLES

•	Determination of low-energy electron diffraction beam profiles with application to ordering kinetics at the Cu3Au(110) surface E. G. McRae and R. A. Malic pp. 1509-1517 [View Page Images , PDF (1903 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Validity, accuracy, and efficiency of multiple-scattering theory for space-filling scatterers W. H. Butler and R. K. Nesbet pp. 1518-1525 [View Page Images , PDF (1454 kB), or Buy this Article (Use Article Pack) ]

•	Ce-catalyzed oxidation of Ta(110) C. Gu, D. W. Lynch, A. B. Yang, and C. G. Olson pp. 1526-1532 [View Page Images , PDF (1138 kB), or Buy this Article (Use Article Pack) ]

•	Positron-annihilation study of the half-metallic ferromagnet NiMnSb: Experiment K. E. Hanssen, P. E. Mijnarends, L. P. Rabou, and K. H. Buschow pp. 1533-1540 [View Page Images , PDF (1559 kB), or Buy this Article (Use Article Pack) ]

•	Manifestation of zero-point quantum fluctuations in atomic force microscopy U. Hartmann pp. 1541-1546 [View Page Images , PDF (1006 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Helium-atom scattering investigation of facetting of the Al stepped (332) surface B. J. Hinch, A. Lock, H. H. Madden, J. P. Toennies, and G. Witte pp. 1547-1559 [View Page Images , PDF (2442 kB), or Buy this Article (Use Article Pack) ]

•	Temperature dependence of thermal positron branching at metal surfaces P. A. Huttunen, J. Mäkinen, D. T. Britton, E. Soininen, and A. Vehanen pp. 1560-1573 [View Page Images , PDF (2688 kB), or Buy this Article (Use Article Pack) ]

•	Investigation of the electric-field effect on weak localization using the balance-equation approach X. L. Lei and J. Cai pp. 1574-1581 [View Page Images , PDF (1145 kB), or Buy this Article (Use Article Pack) ]

•	Electronic structure of NiAl S.-C. Lui, J. W. Davenport, E. W. Plummer, D. M. Zehner, and G. W. Fernando pp. 1582-1597 [View Page Images , PDF (2541 kB), or Buy this Article (Use Article Pack) ]

•	Structure of liquid Al80Ni20 alloy M. Maret, T. Pomme, A. Pasturel, and P. Chieux pp. 1598-1604 [View Page Images , PDF (1060 kB), or Buy this Article (Use Article Pack) ]

•	Periodic-dimer-cluster models for the study of the optical properties of dimerized half-filled organic charge-transfer crystals M. Meneghetti and C. Pecile pp. 1605-1608 [View Page Images , PDF (822 kB), or Buy this Article (Use Article Pack) ]

•	Analytic representation of multi-ion interatomic potentials in transition metals John A. Moriarty pp. 1609-1628 [View Page Images , PDF (3126 kB), or Buy this Article (Use Article Pack) ]

•	Theoretical approach to the scanning tunneling microscope Claudine Noguera pp. 1629-1637 [View Page Images , PDF (1445 kB), or Buy this Article (Use Article Pack) ]

•	Temperature dependence of the inverse photoemission from copper surfaces R. Schneider, H. Dürr, Th. Fauster, and V. Dose pp. 1638-1651 [View Page Images , PDF (3035 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Phonon spectra and isothermal elastic constants for f-shell metals: A dynamical treatment N. Singh and S. P. Singh pp. 1652-1658 [View Page Images , PDF (1126 kB), or Buy this Article (Use Article Pack) ]

•	Hot-electron transmission through thin amorphous films of tetratetracontane: Effects of the density of gap states on the band-gap current and its anomalous temperature dependence Nobuo Ueno and Kazuyuki Sugita pp. 1659-1662 [View Page Images , PDF (797 kB), or Buy this Article (Use Article Pack) ]

•	Beryllium-hydrogen ultrathin films. I. Metallic behavior of the BeH2 monolayer J. Z. Wu, S. B. Trickey, and J. C. Boettger pp. 1663-1667 [View Page Images , PDF (884 kB), or Buy this Article (Use Article Pack) ]

•	Beryllium-hydrogen ultrathin films. II. Ground-state properties of the dilayer J. Z. Wu, S. B. Trickey, and J. C. Boettger pp. 1668-1673 [View Page Images , PDF (1020 kB), or Buy this Article (Use Article Pack) ]

•	Electronic and atomic structure of the Cu/Si(111) quasi-5×5 overlayer D. D. Chambliss and T. N. Rhodin pp. 1674-1683 [View Page Images , PDF (2225 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Time-resolved zero-field optically detected magnetic-resonance study of the (Cu-Li)V neutral defect complex in GaP M. C. Donckers, J. Schmidt, W. M. Chen, and B. Monemar pp. 1684-1689 [View Page Images , PDF (876 kB), or Buy this Article (Use Article Pack) ]

•	Conduction processes in the layered semiconductor compound FePS3 V. Grasso, F. Neri, S. Patanè, L. Silipigni, and M. Piacentini pp. 1690-1695 [View Page Images , PDF (1077 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Schottky barriers at NiSi2/Si(111) interfaces Hideaki Fujitani and Setsuro Asano pp. 1696-1704 [View Page Images , PDF (1581 kB), or Buy this Article (Use Article Pack) ]

•	Fine structure in the energy dependence of current density and oscillations in the current-voltage characteristics of tunnel junctions Anatoly Grinberg and Serge Luryi pp. 1705-1712 [View Page Images , PDF (1386 kB), or Buy this Article (Use Article Pack) ]

•	Theory of optically excited intrinsic semiconductor quantum dots Y. Z. Hu, M. Lindberg, and S. W. Koch pp. 1713-1723 [View Page Images , PDF (1787 kB), or Buy this Article (Use Article Pack) ]

•	Cancellation of size-linear terms in the third-order nonlinear susceptibility: Frenkel excitons in a periodic chain Hajime Ishihara and Kikuo Cho pp. 1724-1730 [View Page Images , PDF (1086 kB), or Buy this Article (Use Article Pack) ]

•	Electron-paramagnetic-resonance identification of a trigonal manganese-indium pair in silicon J. Kreissl, W. Gehlhoff, P. Omling, and P. Emanuelsson pp. 1731-1737 [View Page Images , PDF (1330 kB), or Buy this Article (Use Article Pack) ]

•	Observation of forbidden transitions in an In0.1Ga0.9As/GaAs strained quantum well J. D. Lambkin, L. K. Howard, and M. T. Emeny pp. 1738-1742 [View Page Images , PDF (935 kB), or Buy this Article (Use Article Pack) ]

•	Temperature and magnetic-field dependence of the Mn2+ 4T1(4G)→6A1(6S) photoluminescence band in Zn0.5Mn0.5Se J. F. MacKay, W. M. Becker, J. Spaek, and U. Debska pp. 1743-1749 [View Page Images , PDF (1169 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Positron mobility in Si at 300 K J. Mäkinen, C. Corbel, P. Hautojärvi, A. Vehanen, and D. Mathiot pp. 1750-1758 [View Page Images , PDF (1672 kB), or Buy this Article (Use Article Pack) ]

•	Conductance fluctuations in large metal-oxide-semiconductor structures in the variable-range hopping regime Dragana Popović, A. B. Fowler, S. Washburn, and P. J. Stiles pp. 1759-1762 [View Page Images , PDF (670 kB), or Buy this Article (Use Article Pack) ]

•	Transport and optical properties of low-resistivity CdSe R. Tenne, R. Jäger-Waldau, M. Lux-Steiner, E. Bucher, J. Rioux, and C. Levy-Clement pp. 1763-1772 [View Page Images , PDF (1819 kB), or Buy this Article (Use Article Pack) ]

•	Electron-nuclear double-resonance and electron-spin-resonance study of silicon dangling-bond centers in silicon nitride William L. Warren and P. M. Lenahan pp. 1773-1780 [View Page Images , PDF (1370 kB), or Buy this Article (Use Article Pack) ]

•	Electronic structures and optical properties of short-period GaAs/AlAs superlattices Jian-Bai Xia and Yia-Chung Chang pp. 1781-1790 [View Page Images , PDF (1614 kB), or Buy this Article (Use Article Pack) ]

•	Quantum-mechanical description of ions in crystals: Electronic structure of magnesium oxide Víctor Luaña, J. M. Recio, and L. Pueyo pp. 1791-1801 [View Page Images , PDF (1832 kB), or Buy this Article (Use Article Pack) ]

•	Symmetry and distribution of two-level systems in glasses Subrata Mukherjee, A. N. Basu, and S. Sengupta pp. 1802-1809 [View Page Images , PDF (1280 kB), or Buy this Article (Use Article Pack) ]

•	Structural and elastic properties of sodium halides at high pressure B. Srinivasa Rao and S. P. Sanyal pp. 1810-1816 [View Page Images , PDF (1023 kB), or Buy this Article (Use Article Pack) ]

•	Photoemission study of CoO Z.-X. Shen, J. W. Allen, P. A. Lindberg, D. S. Dessau, B. O. Wells, A. Borg, W. Ellis, J. S. Kang, S.-J. Oh, I. Lindau, and W. E. Spicer pp. 1817-1828 [View Page Images , PDF (2334 kB), or Buy this Article (Use Article Pack) ]

BRIEF REPORTS

•	Ultraviolet inverse-photoemission spectroscopy of Gd silicides C. Chemelli, S. Luridiana, M. Sancrotti, L. Braicovich, F. Ciccacci, A. Iandelli, G. L. Olcese, and A. Palenzona pp. 1829-1832 [View Page Images , PDF (720 kB), or Buy this Article (Use Article Pack) ]

•	Existence of acoustic interface waves in sandwich structures L. Wendler and V. G. Grigoryan pp. 1833-1836 [View Page Images , PDF (624 kB), or Buy this Article (Use Article Pack) ]

•	Different approach to the theory of the quantum Hall effect A. Fortini pp. 1837-1840 [View Page Images , PDF (603 kB), or Buy this Article (Use Article Pack) ]

•	Excitons in resonant coupling of quantum wells A. M. Fox, D. A. Miller, G. Livescu, J. E. Cunningham, J. E. Henry, and W. Y. Jan pp. 1841-1844 [View Page Images , PDF (686 kB), or Buy this Article (Use Article Pack) ]

•	Estimate of phonon thermal transport in amorphous materials above 50 K M. S. Love and A. C. Anderson pp. 1845-1847 [View Page Images , PDF (404 kB), or Buy this Article (Use Article Pack) ]

RAPID COMMUNICATIONS

Local symmetry breaking in stage-1 alkali-metal–graphite intercalation compounds studied by scanning tunneling microscopy D. Anselmetti, V. Geiser, G. Overney, R. Wiesendanger, and H.-J. Güntherodt pp. 1848-1851 [View Page Images , PDF (980 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

Oxygen effectiveness in restructuring the Ag(110) surface: The p(3×1)O chemisorbed phase G. Bracco, R. Tatarek, and G. Vandoni pp. 1852-1855 [View Page Images , PDF (608 kB), or Buy this Article (Use Article Pack) ]

Potassium- and sodium-induced phonons on the reconstructed and unreconstructed copper (110) surface studied by high-resolution electron-energy-loss spectroscopy P. Rudolf, C. Astaldi, and S. Modesti pp. 1856-1859 [View Page Images , PDF (674 kB), or Buy this Article (Use Article Pack) ]

Theory of anomalous corrugation of the Al(111) surface obtained from scanning tunneling microscopy E. Tekman and S. Ciraci pp. 1860-1863 [View Page Images , PDF (760 kB), or Buy this Article (Use Article Pack) ]

Amphoteric behavior of H0 in GaAs L. Pavesi, P. Giannozzi, and F. K. Reinhart pp. 1864-1867 [View Page Images , PDF (845 kB), or Buy this Article (Use Article Pack) ]

Existence of two adsorbed states for K on the Si(100)(2×1) surface: A thermal desorption study S. Tanaka, N. Takagi, N. Minami, and M. Nishijima pp. 1868-1871 [View Page Images , PDF (626 kB), or Buy this Article (Use Article Pack) ]

Low-temperature photoemission measurements of valence-band discontinuities at buried heterojunctions Xiaohua Yu, A. Raisanen, G. Haugstad, G. Ceccone, N. Troullier, and A. Franciosi pp. 1872-1875 [View Page Images , PDF (748 kB), or Buy this Article (Use Article Pack) ]