62 citations · 230 across the 17 of their papers we have counts for
17 papers
Geometric blockade in a quantum dot coupled to two-dimensional and three dimensional electron gases
K. Yamada, M. Stopa, T. Hatano +4
We fabricated a quantum dot coupled laterally to a two-dimensional electron gas and vertically to a three-dimensional electron gas in order to investigate the eigenstate dependence…
Vertically Coupled Double Quantum Dots Connected In Parallel
Shinichi Amaha, Tsuyoshi Hatano, Takashi Nakajima +1
We report charge transport measurements in a ring-shaped quadruple quantum dot system, composed of two vertically coupled double quantum dots connected in parallel. The vertical co…
Competitive coexistence of ferromagnetism and metal--insulator transition of VO nanoparticles
Tsuyoshi Hatano, Akihiro Fukawa, Hiroki Yamamoto +2
We investigated the magnetic and electric properties of nanometer-sized vanadium dioxide (VO) particles. VO nanoparticles were formed by milling VO powder. We measured…
Coexistence of parallel and series current paths in parallel-coupled double quantum dots in nonlinear transport regime
Tsuyoshi Hatano, Toshihiro Kubo, Shinichi Amaha +2
We investigated the electron transport properties of parallel-coupled double quantum dot (DQD) devices under magnetic fields. When a low magnetic field was applied, electron tunnel…
Thermally assisted Pauli spin blockade in double quantum dots
M. Kondo, S. Miyota, W. Izumida +2
We investigate the influence of thermal energy on the current flow and electron spin states in double quantum dots in series. The quadruplet Pauli spin blockade, which is caused by…
NMR Tracing of Hyperfine-Mediated Nuclear Spin Diffusion in Fractional Quantum Hall Domain Phases
S. Miyamoto, T. Hatano, S. Watanabe +1
We present an enhanced diffusion of nuclear spin polarization in fractional quantum Hall domain phases at . Resistively-detected NMR mediated by electrically driven domain-…