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Appl. Phys. Lett. 94, 142104 (2009); http://dx.doi.org/10.1063/1.3112602 (3 pages)

Electrons and holes in a 40 nm thick silicon slab at cryogenic temperatures

K. Takashina, K. Nishiguchi, Y. Ono, A. Fujiwara, T. Fujisawa, Y. Hirayama, and K. Muraki

NTT Basic Research Laboratories, NTT Corporation, Atsugi-shi, Kanagawa 243-0198, Japan

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(Received 11 December 2008; accepted 13 March 2009; published online 7 April 2009)

We demonstrate low temperature operation of an electron-hole bilayer device based on a 40 nm thick layer of silicon in which electrons and holes can be simultaneously induced and contacted independently. The device allows the application of bias between the electrons and holes enhancing controllability over density and confining potential. We confirm that drag measurements are possible with the structure.

© 2009 American Institute of Physics

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KEYWORDS and PACS

PACS

  • 85.30.Fg

    Bulk semiconductor and conductivity oscillation devices (including Hall effect devices, space-charge-limited devices, and Gunn effect devices)

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0003-6951 (print)  
1077-3118 (online)

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