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Applied Physics Letters / Volume 93 / Issue 11 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 93, 111115 (2008); http://dx.doi.org/10.1063/1.2987999 (3 pages)

Near-infrared absorption of germanium thin films on silicon

V. Sorianello1, A. Perna1, L. Colace1, G. Assanto1, H. C. Luan2, and L. C. Kimerling2

1NooEL-Nonlinear Optics and OptoElectronics Laboratory, University “Roma Tre”, Via della Vasca Navale 84, 00146 Rome, Italy
2Department of Materials Science and Engineering, MIT, Cambridge, Massachusetts 02139, USA

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(Received 21 July 2008; accepted 2 September 2008; published online 18 September 2008)

Using differential optical absorption spectroscopy of germanium thin films epitaxially grown on silicon, we accurately evaluate the near-infrared absorption versus wavelength and temperature. The results allow for optimized design and realization of Ge-on-Si photodetectors.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

elemental semiconductors, germanium, infrared spectra, semiconductor thin films

PACS

  • 78.66.Db

    Elemental semiconductors and insulators

  • 78.30.Am

    Elemental semiconductors and insulators

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2987999

PUBLICATION DATA

ISSN

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

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    G. Masini, V. Cencelli, L. Colace, F. DeNotaristefani, and G. Assanto, Appl. Phys. Lett. 80, 3268 (2002)APPLAB000080000018003268000001.

    W. C. Dash and R. Newman, Phys. Rev. 99, 1151 (1955).

    Y. Ishikawa, K. Wada, D. D. Cannon, J. Liu, H. C. Luan, and L. C. Kimerling, Appl. Phys. Lett. 82, 2044 (2003)APPLAB000082000013002044000001.

    Y. Ishikawa, K. Wada, J. Liu, D. D. Cannon, H. C. Luan, J. Michel, and L. C. Kimerling, J. Appl. Phys. 98, 013501 (2005)JAPIAU000098000001013501000001.

    T. P. Pearsall, Appl. Phys. Lett. 60, 1712 (1992)APPLAB000060000014001712000001.

    H. C. Luan, D. R. Lim, K. K. Lee, K. M. Chen, J. G. Sandland, K. Wada, and L. C. Kimerling, Appl. Phys. Lett. 75, 2909 (1999)APPLAB000075000019002909000001.


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