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kenobi

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ÌúµÄ´ÅÐÔÓжàÉÙÀ´×ÔÓÚspin-polarized electron?

ÔÚÒ»±¾ÊéÀïÃæ¼û¹ý, ÍüÁË, ÉÏÀ´Çë½ÌÒ»ÏÂ.

Èç¹û°Ñ´ÅÐÔ·ÖΪspin-polarized band electrons
ºÍcore electronµÄ¹±Ï×,
ÄÇôÌúîÜÄøÕâÖÖ×î¼òµ¥µÄÌåϵÀïÃæ, ·Ö±ðµÄ°Ù·Ö±ÈÊǶàÉÙ?

ÓÐûÓÐspin-polarized band electronsÕ¼Ö÷µ¼ÕâÀàµÄ˵·¨?

µ±È»ÓпÉÄÜÕâ¸öÎÊÌâÓÐÒ»µãºÜÄ£ºý, ¾ÍÊÇband electronºÍcore electronµÄ½çÏÞÊÇʲô,
¹é¸ù½áµ×ÊÇ¿´ÊäÔËÐÔÖÊ.
²»ÖªµÀÈç¹û˵sµç×ÓºÍdµç×Ó¹±Ï׵ıÈÀýÊDz»ÊÇ»á¸üwell-definedÒ»µã.
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖ§³Ö ( ÏÔʾ֧³Ö¶È×î¸ßµÄǰ 50 Ãû )

wu1008

½ð³æ (ÖøÃûдÊÖ)

ÊÇÌúîÜÄø½ðÊô»¹ÊÇÀë×Ó£¿
2Â¥2013-07-05 01:17:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kenobi

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by wu1008 at 2013-07-05 01:17:15
ÊÇÌúîÜÄø½ðÊô»¹ÊÇÀë×Ó£¿

ÎʵÄÊǽðÊô

²¹³äÒ»ÏÂ, »»¾ä»°Õâ¸öÎÊÌâ¿ÉÒÔÕâÑùÎÊ.
½ðÊôÌúÀïÃæÓÐûÓй̶¨ÔÚ¾§¸ñÀïÃæ, ²»²ÎÓëµ¼µçµÄ´Å¾Ø?
(ÀàËÆÓÚ´ÅÐÔ¾øÔµÌåµÄÄÇÖÖÐÎʽ)

ÔÙ»»Ò»ÖÖ˵·¨¾ÍÊÇ, µ¼µçµÄ´ÅÐÔ²ÄÁÏ,
µ½µ×Êǵ¼µçµÄ´ÅÐÔ²¿·ÖºÍ²»µ¼µçµÄ´ÅÐÔ²¿·Öµþ¼ÓÆðÀ´µÄÄØ?
»¹ÊÇûÓв»µ¼µçµÄ´ÅÐÔ²¿·Ö
3Â¥2013-07-05 03:51:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wu1008

½ð³æ (ÖøÃûдÊÖ)

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¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
kenobi: ½ð±Ò+10, ¡ïÓаïÖú 2013-07-06 12:50:34
ÒýÓûØÌû:
3Â¥: Originally posted by kenobi at 2013-07-05 03:51:32
ÎʵÄÊǽðÊô

²¹³äÒ»ÏÂ, »»¾ä»°Õâ¸öÎÊÌâ¿ÉÒÔÕâÑùÎÊ.
½ðÊôÌúÀïÃæÓÐûÓй̶¨ÔÚ¾§¸ñÀïÃæ, ²»²ÎÓëµ¼µçµÄ´Å¾Ø?
(ÀàËÆÓÚ´ÅÐÔ¾øÔµÌåµÄÄÇÖÖÐÎʽ)

ÔÙ»»Ò»ÖÖ˵·¨¾ÍÊÇ, µ¼µçµÄ´ÅÐÔ²ÄÁÏ,
µ½µ×Êǵ¼µçµÄ´ÅÐÔ²¿·ÖºÍ²»µ¼µçµÄ ...

½ðÊôÌúÀïÃæÓÐûÓй̶¨ÔÚ¾§¸ñÀïÃæ, ²»²ÎÓëµ¼µçµÄ´Å¾Ø?
ûÓеÄ

ÔÙ»»Ò»ÖÖ˵·¨¾ÍÊÇ, µ¼µçµÄ´ÅÐÔ²ÄÁÏ
½ðÊô¸úµ¼µç²ÄÁÏÊÇÁ½ÂëÊ£¬²»ÊǽðÊô²Åµ¼µçµÄ
4Â¥2013-07-05 12:24:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kenobi

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by wu1008 at 2013-07-05 12:24:02
½ðÊôÌúÀïÃæÓÐûÓй̶¨ÔÚ¾§¸ñÀïÃæ, ²»²ÎÓëµ¼µçµÄ´Å¾Ø?
ûÓеÄ

ÔÙ»»Ò»ÖÖ˵·¨¾ÍÊÇ, µ¼µçµÄ´ÅÐÔ²ÄÁÏ
½ðÊô¸úµ¼µç²ÄÁÏÊÇÁ½ÂëÊ£¬²»ÊǽðÊô²Åµ¼µçµÄ...

ÄãµÄÒâ˼ÊÇÌúµÄ´ÅÐÔÈ«²¿À´×ÔÓÚspin-polarized electron,
µ«Èç¹ûÊÇËÄÑõ»¯ÈýÌúµÄ»°, ´Å¾Ø¾Í¹Ì¶¨ÔÚ¾§¸ñÀïÃæÁË?

ÎÒÕâµã²»ÊǺÜÇå³þ, лл!
5Â¥2013-07-06 00:42:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

wu1008

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by kenobi at 2013-07-06 00:42:59
ÄãµÄÒâ˼ÊÇÌúµÄ´ÅÐÔÈ«²¿À´×ÔÓÚspin-polarized electron,
µ«Èç¹ûÊÇËÄÑõ»¯ÈýÌúµÄ»°, ´Å¾Ø¾Í¹Ì¶¨ÔÚ¾§¸ñÀïÃæÁË?

ÎÒÕâµã²»ÊǺÜÇå³þ, лл!...

²»ÍêÈ«ÊÇ

Ï¡´Å°ëµ¼ÌåµÄ´ÅÐÔ¸ùÔØÁ÷×ÓÊÇÏà¹ØµÄ£¬µ«²¢²»À´Ô´ÓÚÔØÁ÷×Ó

ºÃ°É£¬ÎÒ¾õµÃÕâÑù˵£¬ÎÒÊDz»ÄÜ˵Ã÷°×µÄ
6Â¥2013-07-06 18:19:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kenobi

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by wu1008 at 2013-07-06 18:19:49
²»ÍêÈ«ÊÇ

Ï¡´Å°ëµ¼ÌåµÄ´ÅÐÔ¸ùÔØÁ÷×ÓÊÇÏà¹ØµÄ£¬µ«²¢²»À´Ô´ÓÚÔØÁ÷×Ó

ºÃ°É£¬ÎÒ¾õµÃÕâÑù˵£¬ÎÒÊDz»ÄÜ˵Ã÷°×µÄ...

Ï¡´Å°ëµ¼Ìå¿Ï¶¨Óй̶¨ÔÚ¾§¸ñÀïÃæµÄ´Å¾Ø, Ò»°ãÀ´×ÔÓÚMn2+Ö®ÀàµÄÔ­×Ó,
ËùÒÔÕû¸ö²ÄÁϾÍÓдÅÐÔÁË, ÄÜÓÐmagnetic ordering

Õû¸ö²ÄÁ϶¼ÓдÅÐÔÁË, ÀïÃæµÄµç×ӾͿÉÒÔ±»spin-polarizedÁË,
µ«ÎÒ¾õµÃ±¾ÖʵÄÔ­ÒòÊǹ̶¨ÔÚ¾§¸ñÀïÃæµÄ´Å¾Ø,
µ±È»Äã²âÕûÌåµÄ´ÅѧÐÔÖÊ»áÓо§¸ñÀïÃæµÄ¹±Ï×, ºÍspin-polarized electronsµÄ¹±Ï×.

ÎÒ¾ÍÊDz»Ì«È·¶¨½ðÊôÌúÓÐûÓй̶¨ÔÚÌúÔ­×ÓÉϵĴžØ
7Â¥2013-07-06 23:04:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wu1008

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by kenobi at 2013-07-06 23:04:04
Ï¡´Å°ëµ¼Ìå¿Ï¶¨Óй̶¨ÔÚ¾§¸ñÀïÃæµÄ´Å¾Ø, Ò»°ãÀ´×ÔÓÚMn2+Ö®ÀàµÄÔ­×Ó,
ËùÒÔÕû¸ö²ÄÁϾÍÓдÅÐÔÁË, ÄÜÓÐmagnetic ordering

Õû¸ö²ÄÁ϶¼ÓдÅÐÔÁË, ÀïÃæµÄµç×ӾͿÉÒÔ±»spin-polarizedÁË,
µ«ÎÒ¾õµÃ±¾ÖʵÄÔ­ÒòÊǹ̶¨ÔÚ¾§ ...

²»ÊÇÕâÑù×ÓµÄ

Äã¿ÉÄܶÔspin-electronÏ໥×÷Óò»ÊÇÌ«ÊìϤ
Ï¡´Å°ëµ¼ÌåµÄ´ÅÓÐÐò²»ÊÇÓɾ§¸ñ´Å¾Øµ¥¶À¾ö¶¨µÄ
8Â¥2013-07-07 00:09:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kenobi

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
8Â¥: Originally posted by wu1008 at 2013-07-07 00:09:41
²»ÊÇÕâÑù×ÓµÄ

Äã¿ÉÄܶÔspin-electronÏ໥×÷Óò»ÊÇÌ«ÊìϤ
Ï¡´Å°ëµ¼ÌåµÄ´ÅÓÐÐò²»ÊÇÓɾ§¸ñ´Å¾Øµ¥¶À¾ö¶¨µÄ...

ͨ¹ýRKKYÓÉelectron mediated?
9Â¥2013-07-07 00:22:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wu1008

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
9Â¥: Originally posted by kenobi at 2013-07-07 00:22:13
ͨ¹ýRKKYÓÉelectron mediated?...

àÅ
10Â¥2013-07-07 00:32:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ kenobi µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
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