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島田研究室    
―メゾスコピック系物性研究室―
Experimental Mesoscopic Physics Group, Department of Engineering Science, UEC Tokyo
 

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Publications

2014
H. Shimada, K. Miyawaki, A. Hagiwara, K. Takeda, and Y. Mizugaki, Characterization of Superconducting Single-Electron Transistors with small Al/AlOx/V Josephson Junctions, Supercond. Sci. Technol. 27 (2014) 115015.
K. Takeda, C. Ishida, S. Gandrothula, Y. Mizugaki, and H. Shimada, Precision improvement of the current multiplier based on the quantum current-mirror effect, Jpn. J. Appl. Phys. 53 (2014) 023101.

2013
M. Takiguchi, H. Shimada, and Y. Mizugaki, Correlation between Polarity of Magnetoresistance Ratio and Tunnel Resistance in Ferromagnetic Single-Electron Transistor with Superconductive Island, accepted for publication
M. Takiguchi, T. Sato, H. Shimada, and Y. Mizugaki, Polarity Reversal of Tunnel Magnetoresistance Observed in Lateral Co-Al-Co Single-Electron Transistor, to be published in JPS Conf. Proc.
Y. Mizugaki, K. Kuroiwa, M. Moriya, H. Shimada, and M. Maezawa, 5-Bit Quasi-Sinusoidal Voltage Waveform Synthesized Using Single-Flux-Quantum Pulse-Frequency Modulation, IEEE Trans. Appl. Supercond. vol. 23 (2013) 1300804.
Y. Mizugaki, N. Tamura, and H. Shimada, Bias-voltage dependence of magnetoresistance enhancement in a single-electron transistor comprising two cobalt leads and an aluminum island, J. Appl. Phys. vol. 113 (2013) 156101.
Y. Mizugaki, K. Kikuchi, M. Moriya, and H. Shimada, Effect of charging on critical current of dc-SQUID comprising two submicron aluminum Josephson junctions, Physica C, vol. 484 (2013) 206.

2012
S. Gandrothula, K. Nakamura, M. Takiguchi, Y. Mizugaki, and H. Shimada, Current Multiplication Using Arrays of Small Josephson Junctions, Jpn. J. Appl. Phys. vol. 51 (2012) 123101.
H. Shimada, C. Ishida, and Y. Mizugaki, Drag Current Reversal in Capacitively Coupled Arrays of Small Josephson Junctions, Phys. Rev. Lett. vol. 109 (2012) 196801.
K. Kuroiwa, M. Kadowaki, M. Moriya, H. Shimada, and Y. Mizugaki, Estimation of Nb Junction Temperature Raised Due to Thermal Heat from Bias Resistor, IEICE Trans. Electron. vol. E95-C/3 (2012) 355.

2009
M. Nada, T. Gonda, Q. Shen, H. Shimada, T. Toyoda, and N. Kobayashi, Electric Characteristics of Li_2O-Doped TiO_2 Nanocrystalline Film and Its Application to Dye-Sensitized Solar Cells, Jpn. J. Appl. Phys. vol. 48 (2009) 0255505.
N. Tamura, M. Takiguchi, H. Shimada, and Y. Mizugaki, Differential conductance characteristic of two dimensional tunnel junctions array considered hot electron effect, IEICE Trans. Electorn. vol. J92-C/9 (2009) 534.

2008
H. Shimada, S. Hanadou, T. Kawai, H. Kido, and Y. Mizugaki, Current Doublers Based on the Quantum Current-Mirror Effect, Jpn. J. Appl. Phys. vol. 47 (2008) 8131.
Y. Mizugaki, M. Takiguchi, S. Hayami, A. Kawai, M. Moriya, K. Usami, T. Kobayashi, and H. Shimada, Single-Electron Devices with Input Discretizer, IEEE Trans. Nanotechnol. vol. 7 (2008) 601.

2007
Y. Mizugaki, A. Kawai, M. Moriya, K. Usami, T. Kobayashi, and H. Shimada, Optimization of asymmetric single-electron transistor generating ac-induced dc current, IEICE Electron. Express (ELEX) vol. 4 (2007) 345.
Y. Mizugaki, H. Hakii, M. Moriya, K. Usami, T. Kobayashi, and H. Shimada, Tunnel Magnetoresistance in Ferromagnet-Superconductor-Ferromagnet Single-Electron Transistor with Different Lead Spacing up to 50 um, Jpn. J. Appl. Phys. vol. 46 (2007) L901.
Y. Mizugaki, M. Itoh, and H. Shimada, Current Correlation in Single-Electron Current Mirror Electromagnetically Dual to Josephson Voltage Mirror, Jpn. J. Appl. Phys. vol. 46 (2007) 6237.
A. Mizuta, M. Moriya, K. Usami, T. Kobayashi, H. Shimada, and Y. Mizugaki, Coulomb Blockade Conditions for Detailed Model of Single-Electron Turnstile Device Including Finite Self-Capacitance of Island Electrodes, Jpn. J. Appl. Phys. vol. 46 (2007) 3144.
H. Shimada, T. Kawai, and Y. Mizugaki, Current Multiplication Based on the Quantum Current-Mirror Effect, IEEE Trans. Appl. Supercond. vol. 17 (2007) 602.