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shenxw2008

铜虫 (小有名气)

[交流] 【求助】请教介电常数

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请问哪位知道Ge和蓝宝石的介电常数分别是多少?谢谢了
[search]介电常数[/search]

[ Last edited by ddx-k on 2008-12-14 at 19:56 ]
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芝麻地里拣芝麻
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shenxw2008

铜虫 (小有名气)

求助

十分感谢,顺便再问个问题,就是ZnS的介电常数是多少呢
芝麻地里拣芝麻
3楼2008-05-12 09:21:31
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nucleus01

至尊木虫 (著名写手)

小木虫北庭节度使

★ ★ ★
lvzhu2007(金币+3,VIP+0):感谢交流,欢迎常来:-)
蓝宝石有两个值:
Dielectric Constant for 103-109 Hz at 298 K
parallel to C-axis
11.5
perpendicular to C-axis
9.3

锗在300K时
16.0
爽是要付出代价的!
2楼2008-05-09 20:30:40
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pipizhu2007

铁虫 (正式写手)

★ ★
zt970831(金币+2,VIP+0):感谢您的交流
http://www.semi1source.com/materials/default.asp?SearchTerm=Zn

ZnS   
Zinc Sulfide

General characteristics: A wide-bandgap II-VI semiconductor; potentially suitable for blue light emission.


Crystal structure: zinc blend
Lattice constant [nm]: 0.541
Density [g/cm3]: 4.08
Atomic concentration [cm-3]:
Melting point [oC]: 1,830
Thermal conduct.[W/cm oC]:
Th. expansion coeff.[1/oC]:
Dielectric constant (static): 8.3
Refractive index: 2.4
Energy gap [eV]: 3.6
Type of energy gap: direct
Drift mobility [cm2/V sec]:
Electron: 160
Hole: 5
Intrinsic carrier conc. [cm-3]:
4楼2008-05-12 17:10:54
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