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191 papers · 1 filter
Device Model for Graphene Bilayer Field-Effect Transistor
V. Ryzhii, M. Ryzhii, A. Satou +2
We present an analytical device model for a graphene bilayer field-effect transistor (GBL-FET) with a graphene bilayer as a channel, and with back and top gates. The model accounts…
Distinct transport behaviors of LaFe1-yCoyAsO1-xFx (x=0.11) between the superconducting and nonsuperconducting metallic y regions divided by y ~ 0.05
S. C. Lee, A. Kawabata, T. Moyoshi +2
Electrical resistivities, Hall coefficients and thermoelectric powers have been measured for polycrystalline samples of LaFe1-yCoyAsO1-xFx (x=0.11) with various values of y. The re…
Structural study on Pr0.55(Ca[1-y]Sr[y])0.45MnO3 thin films on perovskite (011) substrate
Yusuke Wakabayashi, Naoko Takubo, Kenjiro Miyano +1
Structural study on the photo-switching system Pr{0.55}(Ca{1-y}Sr y){0.45}MnO3 thin films on perovskite (011) substrate has been made with synchrotron radiation diffraction experim…
Optical conductivity in the t-J-Holstein Model
L. Vidmar, J. Bonca, S. Maekawa
Using recently developed numerical method we compute charge stiffness and optical conductivity of the t-J model coupled to optical phonons. Coherent hole motion is most strongly in…
Possible d0 ferromagnetism in MgO doped with nitrogen
Bo Gu, Nejat Bulut, Timothy Ziman +1
We study the possibility of d0 ferromagnetism in the compound MgO doped with nitrogen (N). The Haldane-Anderson impurity model is formulated within the tight-binding approximation…
Electronic structure of optimally doped pnictide BaKFeAs: a comprehensive ARPES investigation
H. Ding, K. Nakayama, P. Richard +13
We have conducted a comprehensive angle-resolved photoemission study on the normal state electronic structure of the Fe-based superconductor BaKFeAs. We hav…