20 citations · 64 across the 6 of their papers we have counts for
11 papers
Evidence for Two-Dimensional Spin-Glass Ordering in Submonolayer Fe Films on Cleaved InAs Surfaces
Toshimitsu Mochizuki, Ryuichi Masutomi, Tohru Okamoto
Magnetotransport measurements have been performed on two-dimensional electron gases formed at InAs(110) surfaces covered with a submonolayer of Fe. Hysteresis in the magnetoresista…
Alkali-metal-induced Fermi level and two dimensional electrons at cleaved InAs(110) surfaces
Masaaki Minowa, Ryuichi Masutomi, Toshimitsu Mochizuki +1
Low-temperature Hall measurements have been performed on two-dimensional electron gases (2DEGs) induced by deposition of Cs or Na on in situ cleaved surfaces of p-type InAs. The su…
Electronic Transport Properties of the Ising Quantum Hall Ferromagnet in a Si Quantum Well
Kiyohiko Toyama, Takahisa Nishioka, Kentarou Sawano +2
Magnetotransport properties are investigated for a high mobility Si two dimensional electron systems in the vicinity of a Landau level crossing point. At low temperatures, the resi…
Quantum Hall effect at cleaved InSb surfaces and low-temperature annealing effect
Ryuichi Masutomi, Masayuki Hio, Toshimitsu Mochizuki +1
We have performed low-temperature in-plane magnetotransport measurements on two-dimensional electron systems induced by deposition of Ag at {\it in situ} cleaved surfaces of {\it p…
Ettingshausen Effect around Landau Level Filling Factor nu=3 Studied by Dynamic Nuclear Polarization
Yosuke Komori, Satoru Sakuma, Tohru Okamoto
Spin current perpendicular to the electric current is investigated around Landau level filling factor in a GaAs/AlGaAs two-dimensional electron system. Measurements of dynami…
Dynamic nuclear polarization induced by hot electrons
Yosuke Komori, Tohru Okamoto
A new method for local dynamic nuclear polarization is demonstrated in a GaAs/AlGaAs heterostructure at the Landau level filling factor . Using a narrow channel sample, where…