Znn3bq.jpeg
²é¿´: 5439  |  »Ø¸´: 58

spur

½ð³æ (ÕýʽдÊÖ)


[½»Á÷] ¹ØÓÚborn effective charge

Born Effective Charge (BEC)ÕÅÁ¿ ÊÇÌúµçÐÔÖÊÑо¿ÖÐÒ»¸öºÜÖØÒªµÄÎïÀíÁ¿¡£¸ù¾Ý¹«Ê½£¬Í¨¹ý½«BECÓëÏàÓ¦Ô­×ÓµÄÎ»ÒÆÏà³Ë¿ÉÒԵõ½²ÄÁϵļ«»¯Öµ´óС¡£µ«ÔÚ×ö³Ë»ýµÄʱºò£¬BECÓÃÈ«ÕÅÁ¿»¹ÊÇÖ»ÓöԽÇÔªÄØ£¿BECÕÅÁ¿·Ç¶Ô½ÇÔªÓÐûÓÐʲôÒâÒ壿ÎÒ´Ëǰ¶ÔBiFeO3µ¥°û×öÁËÒ»¸ö²âÊÔ£¬Èç¹ûÓÃBECµÄÈ«ÕÅÁ¿£¬µÃµ½µÄ¼«»¯ÖµÎª63.1 uC/cm^2;Èç¹ûÓÃBECµÄ¶Ô½ÇÔª×ö³Ë»ý£¬µÃµ½µÄ¼«»¯ÖµÎª92.1 uC/cm^2£¬¸ÃÖµÓëÒÔÍù·¢±íµÄÊýÖµÏàÎǺϡ£Çë´ó¼ÒÌáÌὨÒ顣лл!

¸÷룬ÎÒ°ÑÎÒ¼ÆËãBiFeO3µÄ½á¹ûÒÔ¼°Ò»ÆªBiFeO3µÄÎÄÕ·ÅÔÚ¸½¼þÁË£¬ÓÐÐËȤµÄÅóÓѰïÎÒ¿´¿´°É¡£[ Last edited by spur on 2012-5-8 at 20:49 ]
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : L. Q. Chen-2011_Acta_BFO.pdf
  • 2012-05-08 20:29:37, 531.29 K
  • ¸½¼þ 2 : BEC and displacement.doc
  • 2012-05-08 20:29:51, 37 K

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

VASP

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖö¥ ( ¹²ÓÐ9¸ö )

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï
ºØÒÇ: ½ð±Ò+1, ллָ½Ì£¡ 2012-05-09 09:46:38
ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:30:49
uuv2010: , Ìû×ӱ༭ÉÏÃæÓÐlatex¿ÉÒÔÈù«Ê½¸üºÃ¿´£¬ºÇºÇ 2012-05-12 10:39:22
ÒýÓûØÌû:
20Â¥: Originally posted by spur at 2012-05-08 20:55:03:
ллÄãµÄ½²½â£¡²»ÖªµÀÄܲ»ÄÜÇëÄã°ïæ¿´¿´ÎҵļÆËã½á¹û»òÕßÁíÍâһƪÎÄÕÂ(Ê×Ò³¸½¼þ)£¿Èç¹ûÕâ¸ö½á¹ûÊÇÓÉÓÚ¼ÆËã·½·¨µÄÎÊÌ⣬ÄÇÎÒ¿ÉÄܵÃÓÃberry phase×ö¡£µ«Èç¹ûÓÃberry phase£¬Ôõô¼ÆËãBECµÄ·Ç¶Ô½ÇÔªÄØ£¿Ð»Ð»£¡

ÓÃberry phaseÎÞÍâºõÒ²ÊÇÒ»´Î¸øÒ»¸öÔ­×ÓСµÄÎ»ÒÆ (i=1,2,3)£¬¿¼ÂǶԳÆÐԵϰ£¬Äã¿ÉÒÔÑ¡È¡ÌØ¶¨µÄÎ»ÒÆÊ¹µÃ¿ÉÒÔͬʱ¼ÆË㲻ͬ·ÖÁ¿ÉϵÄBEC¡£ÓÃberry phase¼ÆË㼫»¯Á¿ (i=1,2,3)£¬BECµçºÉÕÅÁ¿¾ÍÊǼòµ¥µÄÁË

[ Last edited by iamikaruk on 2012-5-12 at 10:43 ]
21Â¥2012-05-08 21:04:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:30:57
ÒýÓûØÌû:
22Â¥: Originally posted by iamikaruk at 2012-05-08 21:12:06:
ÎÒ´ó¸Å¿´ÁËÒ»ÏÂÄãµÄ¼ÆËã½á¹û£¬BECûÓÐÌ«´óÎÊÌ⣬µ¹ÊÇÄãµÄÎ»ÒÆÁ¿ÊÇÔõôÀ´µÄÄØ£¿±£³Ö¾§¸ñ³£Êý²»±äÖ»³ÚÔ¥ÄÚ²¿Àë×Ó×ø±êÂð£¿

ÎÒÊǶԾ§¸ñ³£ÊýÒÔ¼°Ô­×Ó×ø±ê¶¼½øÐÐÁËÓÅ»¯(ISIF=3)À´µÃµ½Final structureµÄ£¬È»ºó²ÉÓÃFinal structureµÄ¾§¸ñ³£ÊýÀ´¹¹½¨Initial structure£¬ÈÃInitial structureµÄÔ­×Ó¶¼´¦Ôڸ߶ԳƵÄÁ¢·½ÏàλÖ㬱ÈÈç0£¬ 0.25£¬ 0.5£¬ 1.0ÕâЩλÖá£

Èç¹ûBEC¡¢Î»ÒÆÁ¿¶¼Ã»ÎÊÌâµÄ»°£¬ÎªÊ²Ã´Ëã³öÀ´µÄ¼«»¯Öµ¸úÒÔÍù±ðÈËÓÃberry phaseËãµÃµÄ½á¹û²îÄÇÃ´Ô¶ÄØ£¿
23Â¥2012-05-08 22:40:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï
ºØÒÇ: ½ð±Ò+1, ллָ½Ì£¡ 2012-05-09 09:46:55
ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:31:01
ÒýÓûØÌû:
23Â¥: Originally posted by spur at 2012-05-08 22:40:13:
ÎÒÊǶԾ§¸ñ³£ÊýÒÔ¼°Ô­×Ó×ø±ê¶¼½øÐÐÁËÓÅ»¯(ISIF=3)À´µÃµ½Final structureµÄ£¬È»ºó²ÉÓÃFinal structureµÄ¾§¸ñ³£ÊýÀ´¹¹½¨Initial structure£¬ÈÃInitial structureµÄÔ­×Ó¶¼´¦Ôڸ߶ԳƵÄÁ¢·½ÏàλÖ㬱ÈÈç0£¬ 0.25£¬ 0 ...

ÓÐÒ»¸ö¿ÉÄܾÍÊÇÄãµÄÔ­×ÓÎ»ÒÆÁ¿±È½Ï´ó£¬ÒѾ­Æ«ÀëÁËBorn effective charge - ×Ô·¢¼«»¯µÄÏßÐÔ·¶Î§ÁË¡£
ÁíÍâÄãµÄinitial structureÊÇPm-3m»¹ÊÇR-3c£¿
27Â¥2012-05-08 23:13:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:31:12
ÒýÓûØÌû:
27Â¥: Originally posted by iamikaruk at 2012-05-08 23:13:16:
ÓÐÒ»¸ö¿ÉÄܾÍÊÇÄãµÄÔ­×ÓÎ»ÒÆÁ¿±È½Ï´ó£¬ÒѾ­Æ«ÀëÁËBorn effective charge - ×Ô·¢¼«»¯µÄÏßÐÔ·¶Î§ÁË¡£
ÁíÍâÄãµÄinitial structureÊÇPm-3m»¹ÊÇR-3c£¿

ÓÐÒ»¸ö¿ÉÄܾÍÊÇÄãµÄÔ­×ÓÎ»ÒÆÁ¿±È½Ï´ó£¬ÒѾ­Æ«ÀëÁËBorn effective charge - ×Ô·¢¼«»¯µÄÏßÐÔ·¶Î§ÁË

Õâ¸öûÀí½â£¬ÄÜ˵µÃ¸ü¾ßÌåÂð£¿

Initial StructureÖеÄÔ­×Ó´¦ÔÚÁ¢·½ÏàµÄλÖã¬ÊÇPm-3m¶Ô³ÆÐÔ¡£
38Â¥2012-05-09 08:20:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï ¡ï
ºØÒÇ: ½ð±Ò+2, ллָ½Ì£¡ 2012-05-09 09:47:26
ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:31:19
ÒýÓûØÌû:
38Â¥: Originally posted by spur at 2012-05-09 08:20:21:
ÓÐÒ»¸ö¿ÉÄܾÍÊÇÄãµÄÔ­×ÓÎ»ÒÆÁ¿±È½Ï´ó£¬ÒѾ­Æ«ÀëÁËBorn effective charge - ×Ô·¢¼«»¯µÄÏßÐÔ·¶Î§ÁË

Õâ¸öûÀí½â£¬ÄÜ˵µÃ¸ü¾ßÌåÂð£¿

Initial StructureÖеÄÔ­×Ó´¦ÔÚÁ¢·½ÏàµÄλÖã¬ÊÇPm-3m¶Ô³ÆÐÔ¡£

ÓÃBECÀ´¹ÀËã×Ô·¢¼«»¯ÓõÄÊÇÏßÐÔ½üËÆ£¬¼´\Delta P=Z*\delta£¬µ«ÊÇÎ»ÒÆÁ¿ºÜ´óµÄʱºò£¬Õâ¸öÏßÐÔ½üËÆ¾Í²»³ÉÁ¢ÁË¡£
Pm-3m¶Ô³ÆÐԵĵ¥°û´Ó¾§¸ñ³£ÊýÉϾ͸úR3c´æÔںܴóµÄÇø±ð£¬ÎÒ½¨ÒéÄãÓÃÒ»¸ö¸úR3cµ¥°û´óСÍêÈ«ÏàͬµÄR-3c×÷Ϊ²Î¿¼½á¹¹¼ÆËãÎ»ÒÆÁ¿
44Â¥2012-05-09 09:01:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:31:21
ÒýÓûØÌû:
44Â¥: Originally posted by iamikaruk at 2012-05-09 09:01:21:
ÓÃBECÀ´¹ÀËã×Ô·¢¼«»¯ÓõÄÊÇÏßÐÔ½üËÆ£¬¼´\Delta P=Z*\delta£¬µ«ÊÇÎ»ÒÆÁ¿ºÜ´óµÄʱºò£¬Õâ¸öÏßÐÔ½üËÆ¾Í²»³ÉÁ¢ÁË¡£
Pm-3m¶Ô³ÆÐԵĵ¥°û´Ó¾§¸ñ³£ÊýÉϾ͸úR3c´æÔںܴóµÄÇø±ð£¬ÎÒ½¨ÒéÄãÓÃÒ»¸ö¸úR3cµ¥°û´óСÍêÈ«ÏàͬµÄR-3 ...

¿ÉÄÜÎÒ´Ëǰû˵Çå³þ¡£ÎÒµÄInitial StructureµÄ¾§¸ñ³£Êý¸úR-3cÊÇÒ»ÑùµÄ£¬Ö»ÊÇËùÓеÄÔ­×Ó´¦ÔÚÁ¢·½½á¹¹µÄλÖá£Õâ¸ö½á¹¹¿ÉÄܾÍÊÇÄã˵µÄR3c¶Ô³ÆÐÔ¡£
45Â¥2012-05-09 09:19:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï
ºØÒÇ: »ØÌûÖö¥ 2012-05-09 14:31:23
ºØÒÇ: ½ð±Ò+1, ллָ½Ì£¡ 2012-05-09 14:31:32
ÒýÓûØÌû:
45Â¥: Originally posted by spur at 2012-05-09 09:19:17:
¿ÉÄÜÎÒ´Ëǰû˵Çå³þ¡£ÎÒµÄInitial StructureµÄ¾§¸ñ³£Êý¸úR-3cÊÇÒ»ÑùµÄ£¬Ö»ÊÇËùÓеÄÔ­×Ó´¦ÔÚÁ¢·½½á¹¹µÄλÖá£Õâ¸ö½á¹¹¿ÉÄܾÍÊÇÄã˵µÄR3c¶Ô³ÆÐÔ¡£

Ã÷°×ÄãµÄÒâ˼ÁË¡£
²»¹ýÎÒ¿´µ½Äã½á¹ûÀïÃæµÄÎ»ÒÆÓÐЩ´óµÄÏÅÈË£¬Ó¦¸ÃÓÐ0.4°££¿Èç¹û²»½éÒâµÄ»°£¬ÄãÄܰÑR-3cºÍR3c½á¹¹µÄcifÎļþ·¢¸øÎÒÂð£¿ÎÒÑо¿¿´¿´
46Â¥2012-05-09 09:55:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ºØÒÇ: »ØÌûÖö¥ 2012-05-09 17:36:58
ÒýÓûØÌû:
46Â¥: Originally posted by iamikaruk at 2012-05-09 09:55:20:
Ã÷°×ÄãµÄÒâ˼ÁË¡£
²»¹ýÎÒ¿´µ½Äã½á¹ûÀïÃæµÄÎ»ÒÆÓÐЩ´óµÄÏÅÈË£¬Ó¦¸ÃÓÐ0.4°££¿Èç¹û²»½éÒâµÄ»°£¬ÄãÄܰÑR-3cºÍR3c½á¹¹µÄcifÎļþ·¢¸øÎÒÂð£¿ÎÒÑо¿¿´¿´

²»Ö¹ÄØ£¬ÓÐЩ0.6°£¡£¸½¼þΪÁ½¸öÎļþ£¬Âé·³Äã°ïæ¿´¿´¡£Ð»Ð»£¡

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : Initial-rBiFeO3.cif
  • 2012-05-09 10:32:41, 2.04 K
  • ¸½¼þ 2 : Final-rBiFeO3.cif
  • 2012-05-09 10:32:49, 2.75 K
47Â¥2012-05-09 10:33:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï
ºØÒÇ: »ØÌûÖö¥ 2012-05-09 17:37:02
ºØÒÇ: ½ð±Ò+1, ллָ½Ì£¡ 2012-05-09 17:37:11
ÒýÓûØÌû:
47Â¥: Originally posted by spur at 2012-05-09 10:33:01:
²»Ö¹ÄØ£¬ÓÐЩ0.6°£¡£¸½¼þΪÁ½¸öÎļþ£¬Âé·³Äã°ïæ¿´¿´¡£Ð»Ð»£¡

´ó¸ÅËãÁËһϣ¬Ô­×ÓÌ«¶à£¬ºÃÂé·³
²»¹ýÎÒ´ó¸Å²Â²âһϣ¬Äã¸ø³öµÄBorn effective chargeÓ¦¸ÃÊǵѿ¨¶û×ø±êÏµģ¬¶øÎ»ÒÆÓõIJ»Êǵѿ¨¶û×ø±ê£¬»á²»»áÄãÕâÀïûÓп¼ÂÇÕâ¸öÎÊÌ⣿
48Â¥2012-05-09 15:11:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï ¡ï
spur(½ð±Ò+1): лл²ÎÓë
Óù½£½­ºþ: ½ð±Ò+1, лл¡«¡«¡« 2012-05-08 19:49:33
±ØÐëÊÇÈ«ÕÅÁ¿

ÆäÖÐÊÇÔ­×ÓµÄBEC£¬ÊÇÔ­×ÓÑØj·ÖÁ¿µÄÎ»ÒÆ
NeatonÓÐÆªÎÄÕ²»ÊÇ˵¼«»¯ÖµÔÚ0~100¶¼ÓпÉÄÜ£¬ÎÒÁ˸ö‡å¡­¡­

[ Last edited by iamikaruk on 2012-5-12 at 10:45 ]
2Â¥2012-05-08 15:31:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yuanyeguhong

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
лл¥Ö÷£¡
3Â¥2012-05-08 15:52:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
2Â¥: Originally posted by iamikaruk at 2012-05-08 15:31:40:
±ØÐëÊÇÈ«ÕÅÁ¿
P_i=\sum_{\kappa,j} Z_{\kappa,ij}*\delta_{\kappa,j}
ÆäÖÐZ_{\kappa,ij}ÊÇÔ­×Ó\kappaµÄBEC£¬\delta_{\kappa,j}ÊÇÔ­×Ó\kappaÑØj·ÖÁ¿µÄÎ»ÒÆ
NeatonÓÐÆªÎÄÕ²»ÊÇ˵¼«»¯ÖµÔÚ0~100¶¼ÓпÉÄÜ£¬ÎÒÁ˸ö‡å ...

ллÄãµÄ»Ø¸´¡£ÄÇÄܲ»ÄÜ˵һÏ·ǶԽÇÔªµÄÒâÒåÄØ£¿ÁíÍ⣬NeatonµÄÎÄÕÂÊÇʵÑé·½ÃæµÄ°É£¿ÊµÑéÉϸ÷ÖÖÒòËØ¶¼¿ÉÄÜÓ°ÏìÕâ¸ö¼«»¯Öµ¡£µ«ÀíÂÛ¼ÆËãÈç¹û²î¾àÄÇô´ó£¬Ã²ËƲ»Ì«ºÏÀí¡£
4Â¥2012-05-08 16:02:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
spur(½ð±Ò+1): лл²ÎÓë
À´Ñ§Ï°ÁË
5Â¥2012-05-08 16:15:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
spur: ½ð±Ò+5, лл°ïÖú£¡ 2012-05-08 19:46:49
fzx2008: ½ð±Ò+2, ллָ½Ì 2012-05-08 20:58:14
ÒýÓûØÌû:
4Â¥: Originally posted by spur at 2012-05-08 16:02:26:
ллÄãµÄ»Ø¸´¡£ÄÇÄܲ»ÄÜ˵һÏ·ǶԽÇÔªµÄÒâÒåÄØ£¿ÁíÍ⣬NeatonµÄÎÄÕÂÊÇʵÑé·½ÃæµÄ°É£¿ÊµÑéÉϸ÷ÖÖÒòËØ¶¼¿ÉÄÜÓ°ÏìÕâ¸ö¼«»¯Öµ¡£µ«ÀíÂÛ¼ÆËãÈç¹û²î¾àÄÇô´ó£¬Ã²ËƲ»Ì«ºÏÀí¡£

Ôڸ߶ԳƽṹÖУ¬Ñظ߶ԳÆÐÔ·½ÏòÒÆ¶¯µÄÔ­×Ó¶Ôµç×ÓÄÜ´øµÄÓ°ÏìÒ²¾ßÓбȽϸߵĶԳÆÐÔ¡£±ÈÈçÁ¢·½BaTiO3ÖÐTiÑØ[001]·ÖÁ¿·½Ïò²úÉúÎ»ÒÆ£¬¸ù¾Ý¶Ô³ÆÐÔO 2pµç×ÓÊDz»»á²úÉú[100]ºÍ[010]·ÖÁ¿·½ÏòÉϵļ«»¯£¬ËùÒÔÕⲿ·Ö·Ç¶Ô½ÇԪΪ0¡£Èç¹ûÊǵͶԳÆÐԽṹ£¬ÄÇôԭ×ÓÎ»ÒÆÔÚÆäËü·ÖÁ¿ÉÏÒ²½«»á²úÉú΢ÈõµÄµç×Ó¼«»¯£¬²»¹ýÒ»°ãÀ´Ëµ·Ç¶Ô½ÇÔªBEC±È¶Ô½ÇÔªBECҪС²»ÉÙ¡£ËùÒÔÄãµÄ±ä»¯ÄÇô´óÓÐÐ©Ææ¹Ö
NeatonÄÇÆªÎÄÕÂÊÇÀíÂÛ¼ÆË㣬Ëû½âÊͳÉÈç¹ûѡȡµÄ˳µçÏà½á¹¹²»Í¬µÄ»°£¬ÄÇô¼«»¯ÖµÒ²²»Í¬¡£ÎÒ²»Ì«ÏàÐÅËûÕâ¸ö½âÊÍ¡£
8Â¥2012-05-08 16:34:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gaomeiyan

ľ³æ (ÕýʽдÊÖ)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
×£¸£Â¥Ö÷
13Â¥2012-05-08 16:52:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

db20021212

Ìú³æ (СÓÐÃûÆø)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
ŒWÁ•ÁË
19Â¥2012-05-08 18:03:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
8Â¥: Originally posted by iamikaruk at 2012-05-08 16:34:20:
Ôڸ߶ԳƽṹÖУ¬Ñظ߶ԳÆÐÔ·½ÏòÒÆ¶¯µÄÔ­×Ó¶Ôµç×ÓÄÜ´øµÄÓ°ÏìÒ²¾ßÓбȽϸߵĶԳÆÐÔ¡£±ÈÈçÁ¢·½BaTiO3ÖÐTiÑØ·ÖÁ¿·½Ïò²úÉúÎ»ÒÆ£¬¸ù¾Ý¶Ô³ÆÐÔO 2pµç×ÓÊDz»»á²úÉúºÍ·ÖÁ¿·½ÏòÉϵļ«»¯£¬ËùÒÔÕⲿ·Ö·Ç¶Ô½ÇԪΪ0¡£Èç¹ûÊÇµÍ¶Ô ...

ллÄãµÄ½²½â£¡²»ÖªµÀÄܲ»ÄÜÇëÄã°ïæ¿´¿´ÎҵļÆËã½á¹û»òÕßÁíÍâһƪÎÄÕÂ(Ê×Ò³¸½¼þ)£¿Èç¹ûÕâ¸ö½á¹ûÊÇÓÉÓÚ¼ÆËã·½·¨µÄÎÊÌ⣬ÄÇÎÒ¿ÉÄܵÃÓÃberry phase×ö¡£µ«Èç¹ûÓÃberry phase£¬Ôõô¼ÆËãBECµÄ·Ç¶Ô½ÇÔªÄØ£¿Ð»Ð»£¡
20Â¥2012-05-08 20:55:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


ÎÒ´ó¸Å¿´ÁËÒ»ÏÂÄãµÄ¼ÆËã½á¹û£¬BECûÓÐÌ«´óÎÊÌ⣬µ¹ÊÇÄãµÄÎ»ÒÆÁ¿ÊÇÔõôÀ´µÄÄØ£¿±£³Ö¾§¸ñ³£Êý²»±äÖ»³ÚÔ¥ÄÚ²¿Àë×Ó×ø±êÂð£¿
22Â¥2012-05-08 21:12:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

userhung

½û³æ (ÎÄѧ̩¶·)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
½ÔÕÅÁ¿~~~~~~~~
25Â¥2012-05-08 22:53:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

×ijæÄñ

гæ (ÖøÃûдÊÖ)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
Â¥Ö÷´ó·½£¡
29Â¥2012-05-08 23:49:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¼ñ½ðС¶ù

гæ (ÖøÃûдÊÖ)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
Â¥Ö÷´ó·½£¡
30Â¥2012-05-08 23:53:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ʰ½ðÃÁÕß

ľ³æ (ÖøÃûдÊÖ)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
лл¥Ö÷£¡
31Â¥2012-05-08 23:57:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ºØÒÇ: , ºÇºÇ ÒÔºóÉèÖÃΪÊÖ¶¯·¢·Å½ð±Ò°É 2012-05-09 14:32:12
Ì«³¶ÁË£¡Â¥ÉÏÕâô¶àÀ´¼ñ½ð±ÒµÄ¡£
36Â¥2012-05-09 07:56:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huangzc

½ð³æ (ÕýʽдÊÖ)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
ÊܽÌÀ²
39Â¥2012-05-09 08:23:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yangy1220

гæ (Ö°Òµ×÷¼Ò)


¡ï
spur(½ð±Ò+1): лл²ÎÓë
×£¸£Â¥Ö÷
40Â¥2012-05-09 08:26:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yangy1220

гæ (Ö°Òµ×÷¼Ò)


×£¸£Â¥Ö÷
42Â¥2012-05-09 08:42:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

spur

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
48Â¥: Originally posted by iamikaruk at 2012-05-09 15:11:58:
´ó¸ÅËãÁËһϣ¬Ô­×ÓÌ«¶à£¬ºÃÂé·³
²»¹ýÎÒ´ó¸Å²Â²âһϣ¬Äã¸ø³öµÄBorn effective chargeÓ¦¸ÃÊǵѿ¨¶û×ø±êÏµģ¬¶øÎ»ÒÆÓõIJ»Êǵѿ¨¶û×ø±ê£¬»á²»»áÄãÕâÀïûÓп¼ÂÇÕâ¸öÎÊÌ⣿

ÄãºÃ¡£ÎÒµÄÎ»ÒÆ¾ÍÊDzÉÓõĵѿ¨¶û×ø±ê£¬¼ûÊ×Ò³¸½¼þ2¡£
ÎÒ»¹È·ÊµÓе㵣ÐÄBEC¾¿¾¹ÊÇÊ²Ã´×ø±ê¡£ÎÒºóÀ´Ò²ÑéËãÁËһϣ¬Èç¹ûBECÊÇÄÚ×ø±ê£¬ÄÇÎ»ÒÆ¿Ï¶¨ÊÇÐèÒªÓÃÄÚ×ø±ê³ËÒÔ¾§¸ñ³£ÊýÁË£¬µ«µÃµ½µÄ¼«»¯Öµ¸üС£¬Ö»ÓÐ40¶à¡£
49Â¥2012-05-09 15:41:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iamikaruk

ľ³æ (ÖøÃûдÊÖ)


ÒýÓûØÌû:
49Â¥: Originally posted by spur at 2012-05-09 15:41:10:
ÄãºÃ¡£ÎÒµÄÎ»ÒÆ¾ÍÊDzÉÓõĵѿ¨¶û×ø±ê£¬¼ûÊ×Ò³¸½¼þ2¡£
ÎÒ»¹È·ÊµÓе㵣ÐÄBEC¾¿¾¹ÊÇÊ²Ã´×ø±ê¡£ÎÒºóÀ´Ò²ÑéËãÁËһϣ¬Èç¹ûBECÊÇÄÚ×ø±ê£¬ÄÇÎ»ÒÆ¿Ï¶¨ÊÇÐèÒªÓÃÄÚ×ø±ê³ËÒÔ¾§¸ñ³£ÊýÁË£¬µ«µÃµ½µÄ¼«»¯Öµ¸üС£¬Ö»ÓÐ40¶à¡£

ÎÒÓõÄÊÇÁù·½×ø±ê£¬ÕâÑùµÄ»°x-yÆ½ÃæÉϵļ«»¯È«²¿Ï໥µÖÏû£¬Ö»Ê£ÏÂÑØzÖáµÄ¼«»¯¡£
Ëã³öÀ´µÄBiÑØzÖáÎ»ÒÆÎª-0.00088£¬FeÑØzÖáÎ»ÒÆÎª-0.02904£¬OÑØzÖáÎ»ÒÆÎª-0.04436£¬Ëã³öÀ´²Å40~50 \mu C/cm^2¶øÒÑ
50Â¥2012-05-09 18:45:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
2012-05-08 16:17   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
jackycj7Â¥
2012-05-08 16:20   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
jybai9Â¥
2012-05-08 16:34   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
xdkevin10Â¥
2012-05-08 16:39   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
yangli89021311Â¥
2012-05-08 16:42   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
zhang731112Â¥
2012-05-08 16:48   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
×£¸£
tangbohejin14Â¥
2012-05-08 17:07   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
nanmann15Â¥
2012-05-08 17:45   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
qingheyouyou16Â¥
2012-05-08 17:48   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
mooncakeaa17Â¥
2012-05-08 17:48   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
jackycj18Â¥
2012-05-08 18:01   »Ø¸´  
86739294924Â¥
2012-05-08 22:50   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
Фº¯26Â¥
2012-05-08 22:57   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
Easony28Â¥
2012-05-08 23:19   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
Scifinder232Â¥
2012-05-09 02:13   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
fengmeiyi33Â¥
2012-05-09 02:22   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
jdh92534Â¥
2012-05-09 07:11   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
2012-05-09 07:29   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
2012-05-09 08:03   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
icebergwu41Â¥
2012-05-09 08:35   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
105647872643Â¥
2012-05-09 08:50   »Ø¸´  
spur(½ð±Ò+1): лл²ÎÓë
v [ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ spur µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +8 ÏàÐűػá¹ââÍòÕ 2026-04-07 9/450 2026-04-10 21:03 by zhouxiaoyu
[¿¼ÑÐ] 0856ר˶Çóµ÷¼Á Ï£ÍûÊÇaÇøÔºÐ£ +21 ºÃºÃÐÝÏ¢ºÃ²»ºÃ 2026-04-09 24/1200 2026-04-10 16:58 by luoyongfeng
[¿¼ÑÐ] 298Çóµ÷¼Á +8 ¶¤¶£ß˶¬¹Ï 2026-04-07 10/500 2026-04-10 11:25 by ¸ßά´º
[¿¼ÑÐ] 08¹¤Ñ§ 309·ÖÇóµ÷¼Á +6 Yin DY 2026-04-08 6/300 2026-04-10 09:18 by Delta2012
[¿¼ÑÐ] 278Çóµ÷¼Á +27 ·¶æÃÄÈ 2026-04-07 31/1550 2026-04-09 20:49 by zhouxiaoyu
[¿¼ÑÐ] 085801 ×Ü·Ö275 ±¾¿ÆÐÂÄÜÔ´ Çóµ÷¼Á +8 bradoner 2026-04-08 9/450 2026-04-09 13:43 by onlyÖÜ
[¿¼ÑÐ] ¶þ´Îµ÷¼ÁÇóÀÏʦÊÕÁô +3 ЦЦԬ 2026-04-08 3/150 2026-04-08 23:50 by ×íÔÚ·çÀï
[¿¼ÑÐ] 331Çóµ÷¼Á +5 luoxin0706. 2026-04-08 5/250 2026-04-08 22:15 by zhouyuwinner
[¿¼ÑÐ] 266µ÷¼Á +8 daya sun 2026-04-07 9/450 2026-04-08 20:27 by yutian743
[¿¼ÑÐ] 285Çóµ÷¼Á +7 ¶ñ·¨´ó¶þµÄÆøÎ¶ß 2026-04-05 10/500 2026-04-08 14:34 by zhq0425
[¿¼ÑÐ] 315Çóµ÷¼Á +17 ÐÀϲ777 2026-04-04 18/900 2026-04-08 13:54 by hangsimei
[¿¼ÑÐ] 275 Çóµ÷¼Á +8 Lei812514 2026-04-07 8/400 2026-04-08 12:46 by chemisry
[¿¼ÑÐ] 11408 325·Ö +3 jgtxuxgkx 2026-04-07 3/150 2026-04-07 23:10 by lbsjt
[¿¼ÑÐ] 071000ÉúÎïѧ£¬Ò»Ö¾Ô¸ÉîÛÚ´óѧ296·Ö£¬Çóµ÷¼Á +12 TIckLw 2026-04-06 13/650 2026-04-07 20:34 by lijunpoly
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϿƴóÉúÎïѧ297·Ö£¬Çóµ÷¼ÁÍÆ¼ö +8 Y-yyusx 2026-04-06 9/450 2026-04-07 19:38 by biomichael
[¿¼ÑÐ] 277Çóµ÷¼Á ÊýÒ»104·Ö +9 Æ¿×ÓPZ 2026-04-05 14/700 2026-04-07 17:52 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 286Çóµ÷¼Á +20 Faune 2026-04-06 20/1000 2026-04-07 11:33 by Ê«Óë×ÔÓÉ
[¿¼ÑÐ] 295Çóµ÷¼Á +18 xndjjj 2026-04-04 19/950 2026-04-07 11:02 by wangjy2002
[¿¼ÑÐ] ÐŹ¤Ëù11408 340·Ö ±¾¿ÆÎ÷°²½»´ó×Ô¶¯»¯ +3 moontrek 2026-04-06 3/150 2026-04-07 09:56 by chongya
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +10 cs0106 2026-04-05 12/600 2026-04-06 19:41 by Î޼ʵIJÝÔ­
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û