Scientific Commons: J. Nitta

We have experimentally studied the spin-induced time reversal symmetry (TRS) breaking as a function of the relative strength of the Zeeman energy (E_Z) and the Rashba spin-orbit interaction energy...

Shot-noise characteristics of triple-barrier resonant-tunneling diodes (2004)

Newaz, A. K. M., Song, W., Lin, Y., Nitta, J., Mendez, E. E.

We have found experimentally that the shot noise in InAlAs-InGaAs-InAlAs Triple-Barrier Resonant-Tunneling Diodes (TBRTD) is reduced over the 2eI Poissonian value whenever their differential...

Unusual Tunneling Characteristics of Double-quantum-well Heterostructures (2004)

Lin, Y., Nitta, J., Song, W., Mendez, E. E.

We report tunneling phenomena in double In$_{0.53}$Ga$_{0.47}$As quantum-well structures that are at odds with the conventional parallel-momentum-conserving picture of tunneling between...

Effect of an InP/In$_{0.53}$Ga$_{0.47}$As Interface on Spin-orbit Interaction in In$_{0.52}$Al$_{0.48}$As/In$_{0.53}$Ga$_{0.47}$As Heterostructures (2004)

Lin, Y., Koga, T., Nitta, J.

We report the effect of the insertion of an InP/In$_{0.53}$Ga$_{47}$As Interface on Rashba spin-orbit interaction in In$_{0.52}$Al$_{0.48}$As/In$_{0.53}$Ga$_{0.47}$As quantum wells. A small spin...

Competition between Spin-Orbit Interaction and Zeeman Coupling in Rashba 2DEGs (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We investigate systematically how the interplay between Rashba spin-orbit interaction and Zeeman coupling affects the electron transport and the spin dynamics in InGaAs-based 2D electron gases. From...

Competition between spin-orbit interaction and Zeeman coupling in Rashba two-dimensional electron gases (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We systematically investigate how the interplay between the Rashba spin-orbit interaction and Zeeman coupling affects the electron transport and the spin dynamics in InGaAs-based 2D electron gases....

Statistical significance of the fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We discuss a statistical analysis of Aharonov-Bohm conductance oscillations measured in a two-dimensional ring, in the presence of Rashba spin-orbit interaction. Measurements performed at different...

Competition between spin-orbit interaction and Zeeman coupling in Rashba two-dimensional electron gases (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We systematically investigate how the interplay between the Rashba spin-orbit interaction and Zeeman coupling affects the electron transport and the spin dynamics in InGaAs-based 2D electron gases....

Statistical significance of the fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We discuss a statistical analysis of Aharonov-Bohm conductance oscillations measured in a two-dimensional ring, in the presence of Rashba spin-orbit interaction. Measurements performed at different...

Competition between spin-orbit interaction and Zeeman coupling in Rashba two-dimensional electron gases (2004)

Meijer, F.E., Morpurgo, A.F., Klapwijk, T.M., Koga, T., Nitta, J.

Statistical significance of the fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations (2004)

Meijer, F.E., Morpurgo, A.F., Klapwijk, T.M.;Koga, T., Nitta, J.

Competition between spin-orbit interaction and Zeeman coupling in Rashba two-dimensional electron gases (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We systematically investigate how the interplay between the Rashba spin-orbit interaction and Zeeman coupling affects the electron transport and the spin dynamics in InGaAs-based 2D electron gases....

Statistical significance of the fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations (2004)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Koga, T., Nitta, J.

We discuss a statistical analysis of Aharonov-Bohm conductance oscillations measured in a two-dimensional ring, in the presence of Rashba spin-orbit interaction. Measurements performed at different...

Statistical significance of fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations (2003)

Meijer, F. E., Morpurgo, A. F., Klapwijk, T. M., Nitta, J., Koga, T.

We discuss a statistical analysis of Aharonov-Bohm conductance oscillations measured in a two-dimensional ring, in the presence of Rashba spin-orbit interaction. Measurements performed at different...

Enhancement of spin-injection from ferromagnetic metal into 2-dimensional electron gas using barrier tunneling (2001)

Heersche, H. B., Schäpers, T., Nitta, J., Takayanagi, H.

This version is available at the following Publisher URL: http://prb.aps.org

Interference ferromagnet/semiconductor/ferromagnet spin field-effect transistor (2001)

Schäpers, T., Nitta, J., Heersche, H. B., Takayanagi, H.

This version is available at the following Publisher URL: http://prb.aps.org

Transport through a 2DEG channel with superconducting boundaries (1996)

Nitta, J., Wees, B.J. Van, Heida, J.P., Klapwijk, T.M., Dimoulas, A., Graaf, W. Van De, ...

We have investigated transport through a channel with superconducting boundaries where electrons are confined by Andreev reflection. Superconducting phase-sensitive transport is discussed using...

Transport through a 2DEG channel with superconducting boundaries (1996)

Nitta, J., Wees, B.J. Van, Heida, J.P., Klapwijk, T.M., Dimoulas, A., Graaf, W. Van De, ...

We have investigated transport through a channel with superconducting boundaries where electrons are confined by Andreev reflection. Superconducting phase-sensitive transport is discussed using...

J. Nitta

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