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franch: ½ð±Ò+2, лл»ØÌû½»Á÷¡£¡£¡£ 2014-06-24 11:46:34
ÒýÓûØÌû:
10Â¥: Originally posted by yjchemwang at 2012-10-03 21:22:36
E(CB)=X-Ec-0.5Eg
E(VB)=E(CB)+Eg
ÕâÊǹÀË㹫ʽ ÆäÖÐX is the absolute electronegativity of the atom semicon-
ductor, expressed as the geometric mean of the absolute electro-
negativity of the consti ...

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ECB=X-Ee-0.5EgʽÖÐECBÊǵ¼´ø´ø±ßµÄÑõ»¯»¹Ô­µçÊÆ£¬XÊÇ×é³É°ëµ¼ÌåÌåϵ¸÷Ô­×ӵ縺ÐԵļ¸ºÎƽ¾ùÖµ£¬EeÊǸö³£Êý£¬Eg²ÉÓõÄÊǾ­¹ý¡°¼ôµ¶Ëã·û¡±ÐÞÕýµÄÌåϵµÄ´øÏ¶Öµ¡£ÎÒÏëÎʵÄÊǸù¾Ýʲô¹«Ê½¿ÉÒÔÇó³öX£¿£¡ÎÒ×öµÄÊÇTiO2
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mika

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Ä¿¹âÖ®³Ç(½ð±Ò+1): 2011-04-18 08:25:12
ÒýÓûØÌû:
Originally posted by Ä¿¹âÖ®³Ç at 2011-04-17 19:59:24:
ECB=X-Ee-0.5EgʽÖÐECBÊǵ¼´ø´ø±ßµÄÑõ»¯»¹Ô­µçÊÆ£¬XÊÇ×é³É°ëµ¼ÌåÌåϵ¸÷Ô­×ӵ縺ÐԵļ¸ºÎƽ¾ùÖµ£¬EeÊǸö³£Êý£¬Eg²ÉÓõÄÊǾ­¹ý¡°¼ôµ¶Ëã·û¡±ÐÞÕýµÄÌåϵµÄ´øÏ¶Öµ¡£ÎÒÏëÎʵÄÊǸù¾Ýʲô¹«Ê½¿ÉÒÔÇó³öX£¿£¡ÎÒ×öµÄÊÇTiO2

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yaodu

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Ä¿¹âÖ®³Ç(½ð±Ò+1): 2011-04-18 08:25:23
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953623702

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
WDD880227: ½ð±Ò+1, ¸Ðл½»Á÷Ìáʾ 2012-04-28 08:59:27
ËùνµÄ¾­"¼ôµ¶Ëã·û"ÐÞÕý¹ýµÄ´øÏ¶,˵°×Á˾ÍÊÇʵÑé´øÏ¶Öµ(DFTͨ³£»áµÍ¹À°ëµ¼ÌåµÄ½û´ø¿í¶È). µ«Õâ¸öµç¸ºÐԵļ¸ºÎƽ¾ùÖµÊǸöÉñÂí¶«¶«,ÎÒÒ²Õý¾À½á...Õâ¸ö·½·¨ÊǸö°ë¾­ÑéµÄ·½·¨,¾Ý˵׼ȷ¼ÆËã´ø±ßλÖõķ½·¨Ò²ÒѾ­ÓÐÁË!
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xueht987

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8Â¥2012-04-29 13:56:50
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lq6865387

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9Â¥2012-04-29 22:55:59
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yjchemwang

ľ³æ (СÓÐÃûÆø)


¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
fzx2008: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2012-10-03 22:22:19
E(CB)=X-Ec-0.5Eg
E(VB)=E(CB)+Eg
ÕâÊǹÀË㹫ʽ ÆäÖÐX is the absolute electronegativity of the atom semicon-
ductor, expressed as the geometric mean of the absolute electro-
negativity of the constituent atoms Ò²¾ÍÊÇ˵ÊÇ×é·ÖÔ­×ӵļ¸ºÎƽ¾ùµç¸ºÐÔ
Ec is the energy of free electrons of the hydrogen
scale (4.5 eV) ¾ÍÊÇ˵EcΪ¶¨Öµ4.5eV
EgΪ´øÏ¶£¬¿ÉÒÔ´Ó¹ÌÌå×ÏÍâÖйÀËã³öÀ´»òÕß²é³öÀ´£¬ÎÄÏ×ÖÐAgBrµÄE(CB)=0eV E(VB)=2.6eV ÎÒËãÁËϾÍÊÇXֵΪ5.8 AgµÄµç¸ºÐÔֵΪ1.93 BrΪ1.9 ÇëÎÊÊÇÔõôËã³öÀ´µÄ£¿
10Â¥2012-10-03 21:22:36
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robinlhb

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¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
same puzzle
need for answer!
11Â¥2013-05-16 12:08:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qingdacuihua

½ð³æ (ÕýʽдÊÖ)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
10Â¥: Originally posted by yjchemwang at 2012-10-03 21:22:36
E(CB)=X-Ec-0.5Eg
E(VB)=E(CB)+Eg
ÕâÊǹÀË㹫ʽ ÆäÖÐX is the absolute electronegativity of the atom semicon-
ductor, expressed as the geometric mean of the absolute electro-
negativity of the consti ...

ÄãºÃ£¬¹ØÓÚAgBrµÄµ¼´ø¼Û´øÎ»ÖõÄÄÇÆªÎÄÏ×ÌâÄ¿ÊÇʲô£¬Âé·³¸æÖªÒ»Ï£¬×î½üÔÚÕÒAgBrµÄÄÜ´ø½á¹¹£¬Âé·³ÄãÁË
12Â¥2013-05-25 20:41:00
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С¾°133

гæ (СÓÐÃûÆø)


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franch: ½ð±Ò+3, лл»ØÌû½»Á÷¡£¡£¡£ 2014-10-27 19:59:04
àÅ Õâ¸öµç¸ºÐÔÒª¸ù¾ÝÃÜÁ¢¸ùµç¸ºÐÔÀíÂÛ¼ÆËãµÄ
http://en.wikipedia.org/wiki/Electronegativity
14Â¥2014-10-27 09:44:17
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2011-04-17 22:43   »Ø¸´  
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