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Prog. Theor. Phys. Supplement No.138 (2000) pp. 239-240
Electronic Structure of Silica Glass under Strong Electric Field
Yukihiro Makino,1,*
Isao Tanaka,2
Katsuyuki Kawamura,3
Hirohiko Adachi4 and
Kazuyuki Hirao1,5
1Hirao Active Glass Project, ERATO, JST, Seika-cho, Kyoto 619-0237, Japan
2Department of Energy Science and Technology, Kyoto University,
Kyoto 606-8501, Japan
3Department of Earth and Planetary Science, Tokyo Institute of
Technology, Tokyo 152-0033, Japan
4Department of Materials Science and Engineering, Kyoto University,
Kyoto 606-8501, Japan
5Department of Material Chemistry, Graduate School of Engineering,
Kyoto University, Kyoto 606-8501, Japan
(Received October 11, 1999)
Abstract:
We tried to apply ab initio calculations on large amorphous
structrure to investigate the origine of the second harmonics
generation from silica glass. We made (Ge doped) (poled) silica
glass by molecular dynamics, then we calculated the change of the
electronic structures of (Ge doped) (poled) silica glass under
the external strong electric field. The changes of these
electronic structures such as density of states and electron
distribution, were small within our approximation.
URL :
http://ptp.ipap.jp/link?PTPS/138/239/
DOI : 10.1143/PTPS.138.239
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