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19972026
Showing 2010Show all

239 papers · 1 filter

cond-mat.mes-hall2010★ 20 cited

Kondo effects and shot noise enhancement in a laterally coupled double quantum dot

Toshihiro Kubo, Yasuhiro Tokura, Seigo Tarucha

The spin and orbital Kondo effects and the related shot noise for a laterally coupled double quantum dot are studied taking account of coherent indirect coupling via a reservoir. W…

cond-mat.supr-con2010★ 18 cited

Competition between Electron-Phonon coupling and Spin Fluctuations in superconducting hole-doped BiOCuS

L. Ortenzi, S. Biermann, O. K. Andersen +2

BiOCuS is a band insulator that becomes metallic upon hole doping. Superconductivity was recently reported in doped BiOCuS and attributed to spin fluctuations as a pairing…

cond-mat.mes-hall2010★ 3 cited

Spatial gradient of dynamic nuclear spin polarization induced by breakdown of quantum Hall effect

Minoru Kawamura, Kimitoshi Kono, Yoshiaki Hashimoto +2

We studied spatial distribution of dynamic nuclear polarization (DNP) in a Hall-bar device in a breakdown regime of the quantum Hall effect (QHE). We detected nuclear magnetic reso…

cond-mat.mes-hall2010★ 39 cited

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…

cond-mat.str-el2010★ 61 cited

Femtosecond core level photoemision spectroscopy on 1T-TaS2 using 60 eV laser source

K. Ishizaka, T. Kiss, T. Yamamoto +11

Time-resolved photoelectron spectroscopy (trPES) can directly detect transient electronic structure, thus bringing out its promising potential to clarify nonequilibrium processes a…

cond-mat.supr-con2010★ 10 cited

Intrinsic pinning property of FeSe0.5Te0.5

M. Migita, Y. Takikawa, M. Takeda +5

The intrinsic pinning properties of FeSe0.5Te0.5, which is the superconductor with Tc of about 14 K, were studied by the analysis of magnetization curves by the extended critical s…