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- H. Takeya2 profiles17 · h 35
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- The University of TokyoJP36 papers
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41 papers · 1 filter
Transport properties of the new Fe-based superconductor KxFe2Se2 (Tc = 33 K)
Yoshikazu Mizuguchi, Hiroyuki Takeya, Yasuna Kawasaki +4
We synthesized the new Fe-based superconductor K0.8Fe2Se2 single crystals. The obtained single crystal exhibited a sharp superconducting transition, and the onset and zero-resistiv…
Enhanced Logic Performance with Semiconducting Bilayer Graphene Channels
Song-Lin Li, Hisao Miyazaki, Hidefumi Hiura +2
Realization of logic circuits in graphene with an energy gap (EG) remains one of the main challenges for graphene electronics. We found that large transport EGs (>100 meV) can be f…
A study of electronic structure of FeSeTe chalcogenides by Fe and Se K-edge x-ray absorption near edge structure measurements
B. Joseph, A. Iadecola, L. Simonelli +4
Fe K-edge and Se K-edge x-ray absorption near edge structure (XANES) measurements are used to study FeSeTe electronic structure of chalcogenides. An intense Fe K-edge…
Modelling of epitaxial graphene functionalization
D. W. Boukhvalov
A new model for graphene, epitaxially grown on silicon carbide is proposed. Density functional theory modelling of epitaxial graphene functionalization by hydrogen, fluorine and ph…
Disappearance of zinc impurity resonance in large gap region on BiSrCaCuO probed by scanning tunneling spectroscopy
Tadashi Machida, Takuya Kato, Hiroshi Nakamura +6
Using Scanning tunneling spectroscopy (STS), we report the correlation between spatial gap inhomogeneity and the zinc (Zn) impurity resonance in single crystals of Bi$_{\mathrm{2}}…
Spin-Wave Spectrum in `Single-Domain' Magnetic Ground State of Triangular Lattice Antiferromagnet CuFeO2
Taro Nakajima, Setsuo Mitsuda, Tendai Haku +6
By means of neutron scattering measurements, we have investigated spin-wave excitation in a collinear four-sublattice (4SL) magnetic ground state of a triangular lattice antiferrom…