Dr. Makoto Kohda
Tohoku university
Department of Materials Science
 
Associate Proffesor
        
E-mail: makoto(a)material.tohoku.ac.jp
What's new

Published papers
[50] Structural and magnetic properties of L10-FePd/MgO films on GaAs and InP lattice mismatched substrates
M. Kohda, S. Iimori, R. Ohsugi, H. Naganuma, T. Miyazaki, Y. Ando and J. Nitta
[Applied Physics Letters,. 102, (2013) 102411]

[49] Spin orbit induced electronic spin separation in semiconductor nanostructures
M. Kohda, S. Nakamura, Y. Nishihara, K. Kobayashi, T. Ono, J. Ohe, Y. Tokura, T. Mineno and J. Nitta
[Nature Communications,. 3, (2012) 1038]

[48] Gate-controlled persisitent spin helix state in (In,Ga)As quantum wells
M. Kohda, V. Lechner, Y. Kunihashi, T. Dollinger, P. Olbrich, C. Schonhuber, I. Caspers, V. V. Bel'kov, L. E. Golub, D. Weiss, K. Richter, J. Nitta, and S. D. Ganichev
[Physical Review B,. 86, (2012) 081306(R)]

[47] Dynamic nuclear spin polarization in an all-semiconductor spin injection device with (Ga,Mn)As/n-GaAs spin Esaki diode
J. Shiogai, M. Ciorga, M. Ultz, D. Schuh, T. Arakawa, M. Kohda, K. Kobayashi, T. Ono, W. Wegscheider, D. Weiss and J. Nitta
[Applied Physics Letters,. 101, (2012) 212402]

[46] Shot noise suppression in InGaAs/InGaAsP quantum channels
Y. Nishihara, S. Nakamura, K. Kobayashi, T. Ono, M. Kohda and J. Nitta
[Applied Physics Letters,. 100, (2012) 203111]

[45] Electrical determination of relative chirality direction in a Co/Cu/Co ferromagentic ring
A. S. Demiray, M. Kohda, T. Miyawaki , Y. Watanabe, K. Saito, S. Mitani, K. Takanashi, and J. Nitta
[Applied Physics Letters,. 101, (2012) 062409]

[44] Proposal of spin complementary field effect transistor
Y. Kunihashi, M. Kohda, H. Sanada, H. Gotoh, T. Sogawa, and J. Nitta
[Applied Physics Letters,. 100, (2012) 113502]

[43] Experimental demonstration of spin geometric phase: radius dependence of time reversal Aharonov-Casher oscillations
F. Nagasaswa, J. Takagi, Y. Kunihashi, M. Kohda, and J. Nitta
[Physical Review Letters,. 108, (2012) 086801]

[42] Semiclassical approach for spin dephasing in a quasi-one-dimensional channel
Y. Kunihashi, M. Kohda, and J. Nitta
[Physical Review B,. 85, (2012) 035321]

[41] Anitosoropy and damping in Co2FeAl0.5Si0.5 via electrical detection of ferromagnetic resonance
L. Bai, N. Tezuka, M. Kohda, and J. Nitta
[Japanese Journal of Applied Physics,. 51, (2012) 083001]

[40] Relative vortex state control in a Co/Cu/Co pseudo-spin-valve ring
A. S. Demiray, T. Miyawaki, Y. Watanabe, M. Kohda, K. Saito, S. Mitani, K. Takanashi, and J. Nitta
[Japanese Journal of Applied Physics,. 51, (2012) 04DM04]

[39] Anisotropic weak anti-localization under in-plane magentic field and control of dimensionality via spin precession length
S. Nonaka, Y. Kunihashi, M. Kohda, and J. Nitta
[Japanese Journal of Applied Physics,. 51, (2012) 04DM01]

[38] MgO layer thickness dependence of structure and magnetic properties of L10-FePt/MgO/GaAs structures
R. Ohsugi, M. Kohda, T. Seki, A. Ohtsu, M. Mizuguchi, K. Takanashi, and J. Nitta
[Japanese Journal of Applied Physics,. 51, (2012) 02BM05]

[37] Anisotropic spin transport affected by competition between spin orbit interaction and Zeeman effect in an InGaAs based wire
J. Nitta, S. Moulis, and M. Kohda
[J. Phys. Conference Series,. 334, (2011) 012062]

[36] Suppression of Aharanov-Casher spin interference in an InGaAs ring array
J. Nitta, J. Takagi, F. Nagasawa, and M. Kohda
[J. Phys. Conference Series,. 334, (2011) 012002] 

[35] Acoustically induced spin-orbit interactions reveald by two-dimensional imaging of spin transport in GaAs
H. Sanada, T. Sogawa, H. Gotoh, K. Onomitsu, M. Kohda, J.Nitta, and P. V. Santos
[Physical Review Letters,. 106, (2011) 216602] 

[34] Coercivity change in an FePt thin layer in a Hall device by voltage application
T. Seki, M. Kohda, J.Nitta, and K. Takanashi
[Applied Physics Letters,. 98, (2011) 212505] 

[33] Observation of spin wave modes depending on a tunnable periodic magnetic field
L. Bai, M. Kohda, and J.Nitta
[Applied Physics Letters,. 98, (2011) 172508] 

[32] Magnitude and sign control of lithography-induced uniaxial anisotropy in ultra-thin (Ga,Mn)As
J. Shiogai, D. Schuh, W. Wegscheider, M. Kohda, J.Nitta, and D. Weiss
[Applied Physics Letters,. 98, (2011) 083101] 

[31] Enhancement of Spin-Orbit Interaction and the Effect of Interface Diffusion in Quaternary InGaAsP/InGaAs heterostructures
M. Kohda and J.Nitta
[Physical Review B. 81, (2010) 115118] 10.1103/PhysRevB.81.115118

[30]Electrical detection of propagating spin waves controlled by a local magnetic field induced by a DC current.
L. H. Bai, M. Kohda, and J. Nitta
[Japanese Journal of Applied Physics, 49, (2010) 04DM01]

[29]Spin-Orbit Interaction in an In0.53Ga0.47As/In0.7Ga0.3As Shallow Two-Dimensional Electron Gas Located 5nm Below InP Surface Barrier.
M. Kohda, T. Shibata, and J. Nitta
[Japanese Journal of Applied Physics, 49, (2010) 04DM02]

[28] Width and Temperature Dependence of Lithography-Induced Magnetic Anisotropy in (Ga,Mn)As
M. Kohda, J. Ogawa, J. Shiogai, F. Matsukura, Y. Ohno, H. Ohno, and J. Nitta
[Physica E., (2010) Published online] doi:10.1016/j.physe.2009.12.019

[27] Proposal for electrical detection of spin separation with in-plane magentic field in mesoscopic Stern-Gerlach spin filter
M. Kohda, J. Ohe, H. Sanada, M. Yamamoto, T. Ohtsuki, and J. Nitta
[Proc. SPIE 7600, (2010) 76001B] doi:10.1117/12.845569

[26] Electrical spin manipulation with Al2O3 gate insulator in InGaAs based mesoscopic ring arrays
J. Takagi, M. Kohda, and J. Nitta
[Physics Procedia. 3, (2010) 1317]

[25] Experimental demonstration of resonant spin-orbit interaction effect
Y. Kunihashi, M. Kohda, and J. Nitta
[Physics Procedia. 3, (2010) 1261]

[24] Anisotropic spin splitting in InGaAs wire structures
Y. Kunihashi, M. Kohda, and J. Nitta
[Physics Procedia. 3, (2010) 1255]

[23] Enhancement of Rashba Spin-Orbit Interaction due to Wave Function Engineering
Y. Kunihashi, M. Kohda, and J. Nitta
[Journal of Superconductivity and Novel Magnetism. 23, (2010) 49]

[22] Electronic Aharonov-Casher Effect in InGaAs Ring Arrays
J. Nitta, M. Kohda, and T. Bergsten
[Proceedings of the 9th International Symposium on Foundation of Quantum Mechanics in the Light of New Technology. (2009) 105]

[21] Electrical Manipulation of Spins in the Rashba Two Dimensional Electron Gas Systems
J. Nitta, T. Bergsten, Y. Kunihashi, and M. Kohda
[Journal of Applied Physics. 105, (2009) 122402]

[20] Enhancement of Spin Lifetime in Gate-Fitted InGaAs Narrow Wires
Y. Kunihashi, M. Kohda, and J. Nitta
[Physical Review Letters. 102, (2009) 226601]

[19] All-Electrical Detection of the Relative Strength of Rashba and Dresselhaus Spin-Orbit Interaction in Quantum Wires
M. Scheid, M. Kohda, Y. Kunihashi, K. Richter, and J. Nitta
[Physical Review Letters. 101, (2008) 266401]

[18]Effect of the array distance on the magntization configuration of submicron-sized ferromagnetic rings.
T. Miyawaki, K. Toyoda, M. Kohda, A. Fujita, and J. Nitta
[Proceedings of the international symposium on mesoscopic superconductivity and spintronics, (2008), 271-276]

[17]Comparison of gate sensitivity for spin interference effect between Al2O3 and SiO2 gate insulators on InGaAs based mesoscopic ring arrays.
M. Kohda, J. Takagi, and J. Nitta
[ECS Transactions 16, (2008), 39-49]

[16]High remanent magnetization of L10-ordered FePt thin film on MgO / (001) GaAs.
M. Kohda, A. Ohtsu, T. Seki, A. Fujita, J. Nitta, S. Mitani, and K. Takanashi
[Japanese Journal of Applied Physics, 47, (2008), 3269 - 3271]

[15]Manipulating spin orbit interaction in semiconductors.
Makoto Kohda, Tobias Bergsten, and Junsaku Nitta
[Journal of the Physics Society of Japan,77(3),(2008),031008-1-031008-9]

[14]Quantum well thickness dependence of spin orbit interaction in a gated InP / In0.8Ga0.2As / In0.52Al0.48As asymmetric quantum wells.
M. Kohda, T. Nihei, and J. Nitta
[Physica E,40(5),(2008),1194-1196]

[13]Suppression of stray field between adjacent rings in one dimensional ferromagnetic ring arrays
M. Kohda, K. Toyoda, T. Miyawaki, A. Fujita, and J. Nitta
[Journal of Applied Physics,103,(2008),07A714-1-07A714-3]

[12]Control of interlayer magnetostatic coupling in submicron-sized Fe/Au/Fe rings.
T. Miyawaki, M. Kohda, A. Fujita, and J. Nitta
[Appl. Phys. Lett.,92,(2008),32502-32504]

[11]Rashba spin orbit interaction of In0.53Ga0.47As / In0.7Ga0.3As / In0.53/Ga0.47As shallow two dimensional electron gas by surface etching.
Y. Kunihashi, T. Nihei, M. Kohda, and J.. Nitta,
[Physica Status Solidi C, 5, (2008), 322-324]

[10]Local Hall measurement of magnetization reversal and magnetic interaction in Fe / Au / Fe trilayer rings
T. Miyawaki, M. Kohda, A. Fujita, and J. Nitta
[Physica Status Solidi C, 5, (2008), 294-297]

[9]Lateral and vertical magnetic interaction in submicron-sized Fe ring arrays and Fe / Au / Fe trilayer ring structures
M. Kohda, K. Takagi, T. Miyawaki, K. Toyoda, A. Fujita, and J. Nitta
[Jpn. J. Appl. Phys., 46, (2007), 2164-2166]

[8]Gate controlled crossover from weak localization to weak antilocalization in a narrow gap InGaAs / InP heterostructure.
T. Nihei, Y. Suzuki, M. Kohda, and J. Nitta,
[Physica Status Solidi C,12(3),(2006),4239-4242]

[7]Magnetoresistance oscillations induced by spin orbit interaction and intersubband scattering in a gated InP / InGaAs / InAlAs heterostructure.
M. Abe, M. Kohda, and J. Nitta,
[Physica Status Solidi C,3(12),(2006),4243-4246]

[6]Spin injection with three terminal device based on (Ga,Mn)As / n+-GaAs tunnel junction.
T. Kita, M. Kohda, Y. Ohno, F. Matsukura, and H. Ohno,
[Physica Status Solidi C,3(12),(2006),4164-4167]

[5]Magnetic interaction of submicron-sized ferromagnetic rings in a one-dimensional array.
T. Miyawaki, K. Toyoda, M. Kohda, A. Fujita, and J. Nitta,
[Appl. Phys. Lett.,89,(2006),122508(1)-122508(1)]

[4]Bias voltage dependence of the electron spin injection studied in a three-terminal device based on GaMnAs/n+-GaAs Esaki diode.
Makoto Kohda, Tomohiro Kita, Yuzo Ohno, F. Matsukura, and Hideo Ohno,
[Appl. Phys. Lett.,89,(2006),012103]

[3]Effect of n+-GaAs thickness and doping density on spin injection of GaMnAs/n+-GaAs Esaki tunnel junction
M. Kohda, Y. Ohno, F. Matsukura and H. Ohno,
[Physica E,32,(2006),438]

[2]Electrical electron spin injection with a p+-(Ga,Mn)As/n+-GaAs tunnel junction
M. Kohda, Y. Ohno, K. Takamura, F. Matsukura and H. Ohno,
[Journal of Superconductivity, Vol.16, Issue 1,167 (2003)]

[1] A Spin Esaki diode
M. Kohda, Y. Ohno, K. Takamura, F. Matsukura and H. Ohno,
[Jpn. J. Appl. Phys. Vol.40, Part2, Express letter, No12A. L1274 (2001)]