activity
20022008
most citedOrigin and control of high-temperature ferromagnetism in semiconductors

336 citations · 501 across the 5 of their papers we have counts for

collaborators

5 papers

cond-mat.mtrl-sci2008★ 336 cited

Origin and control of high-temperature ferromagnetism in semiconductors

Shinji Kuroda, Nozomi Nishizawa, Koki Takita +4

The extensive experimental and computational search for multifunctional materials has resulted in the development of semiconductor and oxide systems, such as (Ga,Mn)N, (Zn,Cr)Te, a…

cond-mat.supr-con2007★ 49 cited

Dynamic ordering of driven vortex matter in the peak effect regime of amorphous MoGe films and 2H-NbSe2 crystals

N. Kokubo, T. Asada, K. Kadowaki +3

Dynamic ordering of driven vortex matter has been investigated in the peak effect regime of both amorphous MoGe films and 2H-NbSe2 crystals by mode locking (ML) and dc transport me…

cond-mat.mtrl-sci2006★ 48 cited

Significant enhancement of ferromagnetism in ZnCrTe doped with iodine as an n-type dopant

Nobuhiko Ozaki, Nozomi Nishizawa, Stephane Marcet +3

The effect of additional doping of charge impurities was investigated in a ferromagnetic semiconductor ZnCrTe. It was found that the doping of iodine, which is expect…

cond-mat.supr-con2005★ 61 cited

Peak effect and dynamic melting of vortex matter in NbSe crystals

N. Kokubo, K. Kadowaki, K. Takita

We present a mode locking (ML) phenomenon of vortex matter observed around the peak effect regime of 2H-NbSe pure single crystals. The ML features allow us not only to trace ho…

cond-mat.supr-con2002★ 7 cited

Anisotropic Optical Conductivity of Nd2-xCexCuO4 Thin Films

Takashi Yanagisawa, Shigeru Koikegami, Hajime Shibata +5

Opticcal conductivity spectra of Nd2-xCexCuO4 thin films, measured by the reflectance-transmittance method (R-T method) which has been proposed to investigate far-infrared…