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ARTICLES

•	Theory of multiharmonic generation and multiphoton electron emission at a metal surface Aparajita Mishra and Joel I. Gersten pp. 1883-1893 [View Page Images , PDF (1220 kB), or Buy this Article (Use Article Pack) ]

•	Charge-density-wave instabilities expected in monophosphate tungsten bronzes Enric Canadell and Myung-Hwan Whangbo pp. 1894-1902 [View Page Images , PDF (1079 kB), or Buy this Article (Use Article Pack) ]

•	Far-infrared reflection-absorption spectroscopy of ultrathin films V. M. Da Costa and L. B. Coleman pp. 1903-1912 [View Page Images , PDF (1747 kB), or Buy this Article (Use Article Pack) ]

•	Islandlike in-plane structure and vibrational behavior of NiCl2 intercalated in graphite G. Faraci, S. La Rosa, A. R. Pennisi, S. Mobilio, and I. Pollini pp. 1913-1918 [View Page Images , PDF (788 kB), or Buy this Article (Use Article Pack) ]

•	Renormalized theory of sticking and desorption for physisorption Zbigniew W. Gortel and Jacek Szymański pp. 1919-1927 [View Page Images , PDF (1313 kB), or Buy this Article (Use Article Pack) ]

•	Transmission (e,2e) coincidence measurements of thin evaporated carbon, graphite, and aluminum–aluminum oxide foils P. Hayes, J. F. Williams, and J. Flexman pp. 1928-1939 [View Page Images , PDF (2270 kB), or Buy this Article (Use Article Pack) ]

•	Crystal structure, phase stability, and electronic structure of Ti-Al intermetallics: Ti3Al T. Hong, T. J. Watson-Yang, X.-Q. Guo, A. J. Freeman, T. Oguchi, and Jian-hua Xu pp. 1940-1947 [View Page Images , PDF (1308 kB), or Buy this Article (Use Article Pack) ]

•	Calculation of the optical spectra of β’-NiAl and CoAl Kwang Joo Kim, B. N. Harmon, and D. W. Lynch pp. 1948-1953 [View Page Images , PDF (946 kB), or Buy this Article (Use Article Pack) ]

•	Calculation of spin- and angle-resolved photoemission spectra from Pd(100) coated with a monolayer of a magnetic 3d metal: Fe, Co, and Ni U. König, S. Blügel, J. Redinger, and P. Weinberger pp. 1954-1968 [View Page Images , PDF (1646 kB), or Buy this Article (Use Article Pack) ]

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Molecular adsorption on oxide surfaces: Electronic structure and orientation of NO on NiO(100)/Ni(100) and on NiO(100) as determined from electron spectroscopies and ab initio cluster calculations H. Kuhlenbeck, G. Odörfer, R. Jaeger, G. Illing, M. Menges, Th. Mull, H.-J. Freund, M. Pöhlchen, V. Staemmler, S. Witzel, C. Scharfschwerdt, K. Wennemann, T. Liedtke, and M. Neumann pp. 1969-1986 [View Page Images , PDF (3132 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	X-ray-absorption studies of krypton precipitates in solid matrices Zhengquan Tan, J. I. Budnick, D. M. Pease, and F. Namavar pp. 1987-1992 [View Page Images , PDF (1120 kB), or Buy this Article (Use Article Pack) ]

•	Efficient pseudopotentials for plane-wave calculations N. Troullier and José Luriaas Martins pp. 1993-2006 [View Page Images , PDF (2340 kB), or Buy this Article (Use Article Pack) ]

•	Displacement distributions in diffusion by atomic replacement: Ir atoms on Ir surfaces Tien T. Tsong and Chong-lin Chen pp. 2007-2017 [View Page Images , PDF (2319 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Twin-boundary and stacking-fault energies in Al and Pd Jian-hua Xu, W. Lin, and A. J. Freeman pp. 2018-2024 [View Page Images , PDF (1101 kB), or Buy this Article (Use Article Pack) ]

•	Image-potential states on Ni(111) measured by inverse-photoemission spectroscopy S. Yang, K. Garrison, and R. A. Bartynski pp. 2025-2031 [View Page Images , PDF (1067 kB), or Buy this Article (Use Article Pack) ]

•	Magnetoplasmon polaritons in finite n-i-p-i superlattices E. L. Albuquerque, P. Fulco, G. A. Farias, M. M. Auto, and D. R. Tilley pp. 2032-2041 [View Page Images , PDF (1106 kB), or Buy this Article (Use Article Pack) ]

•	Phonons in a strongly coupled electron-phonon system A. Alexandrov and H. Capellmann pp. 2042-2049 [View Page Images , PDF (841 kB), or Buy this Article (Use Article Pack) ]

•	Electronic structure of strained-layer AlAs/InAs (001) superlattices J. Arriaga, G. Armelles, M. C. Muoz, J. M. Rodrguez, P. Castrillo, M. Recio, V. R. Velasco, F. Briones, and F. Garca-Moliner pp. 2050-2057 [View Page Images , PDF (1177 kB), or Buy this Article (Use Article Pack) ]

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Prediction of the effect of the sample biasing in scanning tunneling microscopy and of surface defects on the observed character of the dimers in the Si(001)-(2×1) surface Piotr Badziag, Wynand S. Verwoerd, and Michel A. Van Hove pp. 2058-2062 [View Page Images , PDF (864 kB), or Buy this Article (Use Article Pack) ]

•	Excitons in anisotropic solids: The model of fractional-dimensional space Xing-Fei He pp. 2063-2069 [View Page Images , PDF (1000 kB), or Buy this Article (Use Article Pack) ]

•	Pressure-induced negative charge state of the EL2 defect in its metastable configuration Michał Baj, Piotr Dreszer, and Adam Babiński pp. 2070-2080 [View Page Images , PDF (1933 kB), or Buy this Article (Use Article Pack) ]

•	Raman scattering by coupled intersubband-Landau-level excitations in quantum-well structures R. Borroff, R. Merlin, J. Pamulapati, P. K. Bhattacharya, and C. Tejedor pp. 2081-2087 [View Page Images , PDF (1125 kB), or Buy this Article (Use Article Pack) ]

•	Vibrational properties of CdGeP2 L. Artús, J. Pascual, J. Pujol, J. Camassel, and R. S. Feigelson pp. 2088-2096 [View Page Images , PDF (1304 kB), or Buy this Article (Use Article Pack) ]

•	Dynamic properties of double-barrier resonant-tunneling structures L. Y. Chen and C. S. Ting pp. 2097-2105 [View Page Images , PDF (1172 kB), or Buy this Article (Use Article Pack) ]

•	Dielectric response and quantum magnetic-field effects on the screening properties of a slab of solid-state plasma Hong-Liang Cui, Norman J. Horing, and Godfrey Gumbs pp. 2106-2118 [View Page Images , PDF (1645 kB), or Buy this Article (Use Article Pack) ]

•	Plasma losses by charged particles in thin films: Effects of spatial dispersion, phonons, and magnetic field Godfrey Gumbs and Norman J. Horing pp. 2119-2130 [View Page Images , PDF (1391 kB), or Buy this Article (Use Article Pack) ]

•	π bands and gap states from optical absorption and electron-spin-resonance studies on amorphous carbon and amorphous hydrogenated carbon films D. Dasgupta, F. Demichelis, C. F. Pirri, and A. Tagliaferro pp. 2131-2135 [View Page Images , PDF (860 kB), or Buy this Article (Use Article Pack) ]

•	Local-field effects on the reflectance anisotropy of Si(110):H R. Del Sole, W. L. Mochan, and R. G. Barrera pp. 2136-2140 [View Page Images , PDF (792 kB), or Buy this Article (Use Article Pack) ]

•	Optical detection of electron-nuclear double resonance for an S=1 luminescent center in GaP:O J. F. Donegan, D. Y. Jeon, and G. D. Watkins pp. 2141-2151 [View Page Images , PDF (1858 kB), or Buy this Article (Use Article Pack) ]

•	Elastic properties of amorphous Si and derived Debye temperatures and Grüneisen parameters: Model calculation J. L. Feldman, J. Q. Broughton, and F. Wooten pp. 2152-2158 [View Page Images , PDF (1367 kB), or Buy this Article (Use Article Pack) ]

•	Temperature-dependent angle-resolved photoemission study of the linewidth of surface states of III-V semiconductors J. Fraxedas, M. K. Kelly, and M. Cardona pp. 2159-2168 [View Page Images , PDF (1723 kB), or Buy this Article (Use Article Pack) ]

•	Coupled tunneling plasmon excitations in a planar array of quantum dots Danhong Huang and P. R. Antoniewicz pp. 2169-2173 [View Page Images , PDF (760 kB), or Buy this Article (Use Article Pack) ]

•	Static local-field corrections of two-dimensional electron liquids Naoki Iwamoto pp. 2174-2182 [View Page Images , PDF (1470 kB), or Buy this Article (Use Article Pack) ]

•	Highly conducting polyacetylene: Three-dimensional delocalization H. H. Javadi, A. Chakraborty, C. Li, N. Theophilou, D. B. Swanson, A. G. MacDiarmid, and A. J. Epstein pp. 2183-2186 [View Page Images , PDF (631 kB), or Buy this Article (Use Article Pack) ]

•	Quasiballistic electronic transport in a tunneling hot-electron-transfer amplifier James Leo and Simon J. Bending pp. 2187-2191 [View Page Images , PDF (783 kB), or Buy this Article (Use Article Pack) ]

•	Effects of lattice relaxation on deep levels in semiconductors Wei-Gang Li and Charles W. Myles pp. 2192-2200 [View Page Images , PDF (1756 kB), or Buy this Article (Use Article Pack) ]

•	Magnetic-field-induced resonant tunneling across a thick square barrier V. Marigliano Ramaglia, A. Tagliacozzo, F. Ventriglia, and G. P. Zucchelli pp. 2201-2212 [View Page Images , PDF (1813 kB), or Buy this Article (Use Article Pack) ]

•	Pseudopotential plane-wave calculations for ZnS José Luriaas Martins, N. Troullier, and S.-H. Wei pp. 2213-2217 [View Page Images , PDF (871 kB), or Buy this Article (Use Article Pack) ]

•	Piezomodulation spectroscopy: A powerful investigation tool of heterostructures H. Mathieu, J. Allègre, and B. Gil pp. 2218-2227 [View Page Images , PDF (1723 kB), or Buy this Article (Use Article Pack) ]

•	Picosecond two-beam coupling and polarization rotation by scalar gratings in undoped cadmium telluride at 1.064 μm Mark S. Petrovic, Andrzej Suchocki, Richard C. Powell, George C. Valley, and Gene Cantwell pp. 2228-2233 [View Page Images , PDF (1077 kB), or Buy this Article (Use Article Pack) ]

•	Quantum confinement effects at the L point in CdTe Barrett G. Potter and Joseph H. Simmons pp. 2234-2238 [View Page Images , PDF (838 kB), or Buy this Article (Use Article Pack) ]

•	Optical studies on InP:Fe by Fourier-transform emission and absorption spectroscopy K. Pressel, K. Thonke, A. Dörnen, and G. Pensl pp. 2239-2245 [View Page Images , PDF (1077 kB), or Buy this Article (Use Article Pack) ]

•	Miniband structure in InxGa1-xAs-GaAs strained-layer superlattices N. J. Pulsford, R. J. Nicholas, R. J. Warburton, G. Duggan, K. J. Moore, K. Woodbridge, and C. Roberts pp. 2246-2254 [View Page Images , PDF (1578 kB), or Buy this Article (Use Article Pack) ]

•	Classification of spontaneous oscillations at the onset of avalanche breakdown in p-type germanium U. Rau, W. Clauss, A. Kittel, M. Lehr, M. Bayerbach, J. Parisi, J. Peinke, and R. P. Huebener pp. 2255-2262 [View Page Images , PDF (1560 kB), or Buy this Article (Use Article Pack) ]

•	Optical study of the electronic states of In0.53Ga0.47As/In0.52Al0.48As quantum wells in high electric fields K. Satzke, G. Weiser, W. Stolz, and K. Ploog pp. 2263-2271 [View Page Images , PDF (1665 kB), or Buy this Article (Use Article Pack) ]

•	Nonlinear dielectric response to a point-donor impurity of an electron-gas-model semiconductor that includes the effect of the Dirac-Slater exchange correlation Leonard M. Scarfone and Ahsan Enver pp. 2272-2279 [View Page Images , PDF (1044 kB), or Buy this Article (Use Article Pack) ]

•	Resonant tunneling of holes in Si/SixGe1-x quantum-well structures G. Schuberth, G. Abstreiter, E. Gornik, F. Schäffler, and J. F. Luy pp. 2280-2284 [View Page Images , PDF (818 kB), or Buy this Article (Use Article Pack) ]

•	Matrix method of solution of the Boltzmann equation for hot-acceptor photoluminescence Y. S. Sun and C. J. Stanton pp. 2285-2291 [View Page Images , PDF (1042 kB), or Buy this Article (Use Article Pack) ]

•	Divacancy acceptor levels in ion-irradiated silicon B. G. Svensson, B. Mohadjeri, A. Hallén, J. H. Svensson, and J. W. Corbett pp. 2292-2298 [View Page Images , PDF (1199 kB), or Buy this Article (Use Article Pack) ]

•	Raman microprobe scattering of solid silicon and germanium at the melting temperature Hua Tang and Irving P. Herman pp. 2299-2304 [View Page Images , PDF (1099 kB), or Buy this Article (Use Article Pack) ]

•	Electronic structure of superlattices incorporating diluted magnetic semiconductors P. M. Young, H. Ehrenreich, P. M. Hui, and K. C. Hass pp. 2305-2314 [View Page Images , PDF (1509 kB), or Buy this Article (Use Article Pack) ]

•	Structure of germanium-selenium glasses: An x-ray-absorption fine-structure study Weiqing Zhou, Michael Paesler, and Dale E. Sayers pp. 2315-2321 [View Page Images , PDF (1168 kB), or Buy this Article (Use Article Pack) ]

•	Harmonic oscillator on a lattice in a constant force field and associated Bloch oscillations Jean-Pierre Gallinar and Eduardo Chalbaud pp. 2322-2333 [View Page Images , PDF (1625 kB), or Buy this Article (Use Article Pack) ]

•	Even-parity excited states of Ag-centers in alkali halides M. Bellatreccia, M. Casalboni, R. Francini, and U. M. Grassano pp. 2334-2338 [View Page Images , PDF (843 kB), or Buy this Article (Use Article Pack) ]

•	Intrinsic localized modes in a monatomic lattice with weakly anharmonic nearest-neighbor force constants S. R. Bickham and A. J. Sievers pp. 2339-2346 [View Page Images , PDF (1387 kB), or Buy this Article (Use Article Pack) ]

•	Anisotropic cross sections in low-energy electron-reflection spectroscopy on solids L. G. Caron, S. Robillard, G. Vachon, J. Gauthier, M. Michaud, and L. Sanche pp. 2347-2354 [View Page Images , PDF (1342 kB), or Buy this Article (Use Article Pack) ]

•	Raman spectroscopic study of the pressure-induced coordination change in GeO2 glass Dan J. Durben and George H. Wolf pp. 2355-2363 [View Page Images , PDF (1615 kB), or Buy this Article (Use Article Pack) ]

•	First-principles calculations of defect-induced lattice relaxation in ionic systems Koblar Jackson, Mark R. Pederson, and Barry M. Klein pp. 2364-2371 [View Page Images , PDF (1553 kB), or Buy this Article (Use Article Pack) ]

•	Rayleigh mode in amorphous hydrogenated carbon films X. Jiang pp. 2372-2377 [View Page Images , PDF (928 kB), or Buy this Article (Use Article Pack) ]

•	Characterization of an intermediate-case exciton in the 580-nm emission of Cd-doped and pure AgBr Alfred P. Marchetti, Mitchell S. Burberry, and John P. Spoonhower pp. 2378-2383 [View Page Images , PDF (1081 kB), or Buy this Article (Use Article Pack) ]

•	Nature of the temperature dependence of conduction bands in polyethylene Nobuo Ueno, Kazuhiko Seki, Kazuyuki Sugita, and Hiroo Inokuchi pp. 2384-2390 [View Page Images , PDF (1035 kB), or Buy this Article (Use Article Pack) ]

•	Inelastic neutron- and Raman-scattering studies of muscovite and vermiculite layered silicates N. Wada and W. A. Kamitakahara pp. 2391-2397 [View Page Images , PDF (1233 kB), or Buy this Article (Use Article Pack) ]

BRIEF REPORTS

•	Surface strain of tungsten (001) Jing Chen, H. Krakauer, and D. J. Singh pp. 2398-2400 [View Page Images , PDF (438 kB), or Buy this Article (Use Article Pack) ]

•	Effect of hydrostatic pressure on the Fermi surface of Pd and Pt R. Ahuja, A. K. Solanki, and S. Auluck pp. 2401-2403 [View Page Images , PDF (343 kB), or Buy this Article (Use Article Pack) ]

•	van der Waals interactions between sharp probes and flat sample surfaces U. Hartmann pp. 2404-2407 [View Page Images , PDF (655 kB), or Buy this Article (Use Article Pack) ]

•	Effect of ambipolar diffusion on the hot-carrier relaxation in semiconductors Antonio C. Algarte pp. 2408-2411 [View Page Images , PDF (485 kB), or Buy this Article (Use Article Pack) ]

•	Low-temperature lattice-scattering mobility in multiple heterojunctions: Phonon-drag enhancement S. K. Lyo pp. 2412-2414 [View Page Images , PDF (515 kB), or Buy this Article (Use Article Pack) ]

•	Magnetic susceptibility of InP, InAs, and InSb T. Sahu pp. 2415-2418 [View Page Images , PDF (497 kB), or Buy this Article (Use Article Pack) ]

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Conservation of bond lengths in strained Ge-Si layers J. C. Woicik, C. E. Bouldin, M. I. Bell, J. O. Cross, D. J. Tweet, B. D. Swanson, T. M. Zhang, L. B. Sorensen, C. A. King, J. L. Hoyt, P. Pianetta, and J. F. Gibbons pp. 2419-2422 [View Page Images , PDF (807 kB), or Buy this Article (Use Article Pack) ]

COMMENTS

•	Comment on ‘‘Existence of Wannier-Stark localization’’ D. A. Page and E. Brown pp. 2423-2425 [View Page Images , PDF (348 kB), or Buy this Article (Use Article Pack) ]

•	Reply to ‘‘Comment on ‘Existence of Wannier-Stark localization’’ David Emin and C. F. Hart pp. 2426-2430 [View Page Images , PDF (589 kB), or Buy this Article (Use Article Pack) ]

RAPID COMMUNICATIONS

Faraday spectroscopy in diluted-magnetic-semiconductor superlattices M. Kohl, M. R. Freeman, J. M. Hong, and D. D. Awschalom pp. 2431-2434 [View Page Images , PDF (742 kB), or Buy this Article (Use Article Pack) ]

Variable-range-hopping magnetoresistance Mark Ya. Azbel pp. 2435-2438 [View Page Images , PDF (637 kB), or Buy this Article (Use Article Pack) ]

Biexcitonic contribution to the degenerate-four-wave-mixing signal from a GaAs/AlxGa1-xAs quantum well B. F. Feuerbacher, J. Kuhl, and K. Ploog pp. 2439-2441 [View Page Images , PDF (557 kB), or Buy this Article (Use Article Pack) ]

Inelastic-scattering effects on single-barrier tunneling George Neofotistos, Roger Lake, and Supriyo Datta pp. 2442-2445 [View Page Images , PDF (744 kB), or Buy this Article (Use Article Pack) ]

H passivation of Si impurities in GaAs L. Pavesi and P. Giannozzi pp. 2446-2449 [View Page Images , PDF (820 kB), or Buy this Article (Use Article Pack) ]

Tuning AlAs-GaAs band discontinuities and the role of Si-induced local interface dipoles L. Sorba, G. Bratina, G. Ceccone, A. Antonini, J. F. Walker, M. Micovic, and A. Franciosi pp. 2450-2453 [View Page Images , PDF (725 kB), or Buy this Article (Use Article Pack) ]

Hydrogen chemical potential and structure of a-Si:H R. A. Street pp. 2454-2457 [View Page Images , PDF (773 kB), or Buy this Article (Use Article Pack) ]

Gallium interstitials in GaAs/AlAs superlattices J. M. Trombetta, T. A. Kennedy, W. Tseng, and D. Gammon pp. 2458-2461 [View Page Images , PDF (601 kB), or Buy this Article (Use Article Pack) ]

Substitutionality of Te- and Sn-related DX centers in AlxGa1-xAs Kin Man Yu, Ken Khachaturyan, Eicke R. Weber, Henry P. Lee, and Etienne G. Kolas pp. 2462-2465 [View Page Images , PDF (714 kB), or Buy this Article (Use Article Pack) ]