Search Results:　 1-20 of 140

Nakayama Yasuo , Uragami Yuki , Machida Shin'ichi , Koswattage Kaveenga Rasika , Yoshimura Daisuke , Setoyama Hiroyuki , Okajima Toshihiro , Mase Kazuhiko , Ishii Hisao

… A two-dimensional valence band dispersion relation over the surface Brillouin zone obtained by angle-resolved photoemission to three critical points was reproduced excellently by a two-dimensional tight binding approximation. …

Applied Physics Express 5(11), 111601-111601-3, 2012-11-25

The Japan Society of Applied Physics

Nomura Takuji , Kaneshita Eiji

… In the calculation of RIXS spectra, the stripe-ordered ground state is described within the Hartree--Fock approximation by using a realistic tight-binding model for Ni 3d\gamma and O 2p_{x,y} orbitals, and the electron correlations in the electronic excitation processes are taken into account within the random-phase approximation. …

J Phys Soc Jpn 81(2), 024707-024707-11, 2012-02-15

The Physical Society of Japan

Laref Amel

… We present the results of energetic and electronic properties of ZnSe using spds^{*} tight-binding method derived to fit accurately first-principles calculations. … The present sp^{3}d^{5}s^{*} tight-binding model incorporates all five d orbitals per Zn atom in the basis set to get better description for the structural properties of ZnSe than in the sp^{3}s^{*} basis. …

J Phys Soc Jpn 80(12), 124601-124601-10, 2011-12-15

The Physical Society of Japan

植田 毅

計算数理工学論文集 11, 7-12, 2011-12-00

Yoshioka Hironori , Morioka Naoya , Suda Jun , Kimoto Tsunenobu

… The bandgap of Si-NWs was calculated by a density functional theory, tight binding method, and effective mass approximation. …

JOURNAL OF APPLIED PHYSICS 109(6), 2011-03-15

IR CrossRef

Konabe Satoru , Okada Susumu , 岡田 晋

… The absorption spectrum is calculated by solving the Bethe–Salpeter equation, which includes the effects of magnetic atoms, under the tight-binding approximation. …

Applied physics letters 98(7), 073109, 2011-02-00

IR CrossRef

Ho Yen-Hung , Chiu Yu-Huang , Wang Jei , Lin De-Hone , Lin Ming-Fa

… The low-frequency magneto-absorption spectra of monolayer and bilayer graphene are evaluated within the gradient approximation. … On the basis of Peierls tight-binding model, we can draw the wave function distribution over its sublattices and bring them into the calculation of optical spectra. …

Jpn J Appl Phys 50(1), 01AF05-01AF05-4, 2011-01-25

The Japan Society of Applied Physics

Hiroharu Yorikawa

… The resonant inelastic soft-x-ray scattering (RIXS) spectra of boron phosphide (BP) crystal have been calculated by using the tight-binding (TB) approximation and compared with spectra obtained experimentally by Agui et al. … It is shown that typical features observed in the experimental spectra of B K and P L2,3 emissions are well reproduced by the calculations based on the TB approximation with spd basis. …

J Phys Soc Jpn 79(8), 084712-084712-4, 2010-08-15

The Physical Society of Japan