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2Â¥2012-11-01 09:46:49
digghost
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- Ó¦Öú: 343 (´óѧÉú)
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3Â¥2012-11-01 11:07:58
ZANCAI
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4Â¥2012-11-01 21:23:22
ZANCAI
гæ (ÖøÃûдÊÖ)
- Ó¦Öú: 5 (Ó×¶ùÔ°)
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5Â¥2012-11-01 21:24:19
ZANCAI
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?????????????????????????poolarization????????????????????????surface charge density?? ????????????????????r???????w??????O?????s????????r??????????@?????????????????????a???????????????????þŸ?@?N?????????a???O????F??Q?ïA?????§¹???????????§¹?????|????C§Ö???D?????????^??? The change in polarization appears as a variation of surface charge density upon the crystal faces, i.e. as a variation of the electrical field extending between the faces, since the units of surface charge density and polarization are the same, [C/m2] = [Cm/m3]. However, piezoelectricity is not caused by a change in charge density on the surface, but by dipole density in the bulk. |
6Â¥2012-11-01 21:34:14
hawkchai
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7Â¥2012-11-01 21:35:48
ZANCAI
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- Ó¦Öú: 5 (Ó×¶ùÔ°)
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?????????????????????????poolarization????????????????????????surface charge density?? ????????????????????r???????w??????O?????s????????r??????????@?????????????????????a???????????????????þŸ?@?N?????????a???O????F??Q?ïA?????§¹???????????§¹?????|????C§Ö???D?????????^??? The change in polarization appears as a variation of surface charge density upon the crystal faces, i.e. as a variation of the electrical field extending between the faces, since the units of surface charge density and polarization are the same, [C/m2] = [Cm/m3]. However, piezoelectricity is not caused by a change in charge density on the surface, but by dipole density in the bulk. |
8Â¥2012-11-01 21:36:21
ZANCAI
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9Â¥2012-11-02 00:07:08
ϦÑôÎ÷ÏÂ
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10Â¥2012-11-02 13:46:32














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