Znn3bq.jpeg
²é¿´: 2677  |  »Ø¸´: 5

¹þà¶ÃÏÃÏ

гæ (СÓÐÃûÆø)

[ÇóÖú] indirect bandgap ºÍdirect bandgapÊÇʲôÒâ˼ ÒÑÓÐ2È˲ÎÓë

ÇëÎÊÔÚ¹â´ß»¯ÖУ¬indirect bandgapºÍdirect bandgapÊÇʲôÒâ˼°¡£¿

indirect bandgap ºÍdirect bandgapÊÇʲôÒâ˼
²¶»ñ.PNG
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

scauwangyi

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÎÂÐÄÈôË®: ½ð±Ò+3, ллӦÖú£¬ÐÁ¿à£¡ 2016-11-29 15:42:14
¹þà¶ÃÏÃÏ: ½ð±Ò+3, ¡ïÓаïÖú 2016-11-30 14:22:54
Ö±¹ÛÉÏÀí½â¾ÍÊÇ£¬Ö±½Ó´øÏ¶¶ÔÓ¦µÄ¹ý³ÌÊÇ£ºÒ»¸öµç×ÓÔÚ¶¯Á¿¿Õ¼ä´Ó×î¸ßÕ¼¾Ý̬¼¤·¢µ½CBM²¢²»ÐèÒªÉù×ӵIJÎÓ루Ҳ¾ÍÊDz»»á±»¾§¸ñÕñ¶¯É¢É䣩£¬ÒòΪ×î¸ßÕ¼¾Ý̬ºÍ×îµÍδռ¾ÝÄÜ´øÔÚ¶¯Á¿¿Õ¼äµÄλÖÃÒ»Ö¡£¶ø¼ä½Ó´øÏ¶¶ÔÓ¦µÄ¹ý³ÌÔòÐèÒªÉù×Ó²ÎÓ룬Ҳ¾ÍÊÇ˵µç×ӻᱻ¾§¸ñÉ¢É䣬´Ó¶ø·Å³öÉù×Ó¡£¶øµç×ÓÒ»¿ªÊ¼ÊÇûÓж¯Á¿µÄ£¬ËùÒÔ±ØÐëÒýÈëÉù×Ó£¬ÒòΪ¶¯Á¿·½Ïò±ØÐëÂú×㶯Á¿Êغ㡣
2Â¥2016-11-29 15:35:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lxg133298

ÈÙÓþ°æÖ÷ (ÎÄѧ̩¶·)

Stay Hungry. Stay Foolish.

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¹þà¶ÃÏÃÏ: ½ð±Ò+3, ¡ïÓаïÖú 2016-11-30 14:23:02
indirect bandgap ºÍdirect bandgap
Ö±¹ÛÉÏÀí½â¾ÍÊÇ£¬Ö±½Ó´øÏ¶¶ÔÓ¦µÄ¹ý³ÌÊÇ£ºÒ»¸öµç×ÓÔÚ¶¯Á¿¿Õ¼ä´ÓVBM¼¤·¢µ½CBM²¢²»ÐèÒªÉù×Ó(quantized energy of lattice vibration)µÄ²ÎÓ루Ҳ¾ÍÊDz»»á±»¾§¸ñÕñ¶¯É¢É䣩£¬ÒòΪVBMºÍCBMÔÚ¶¯Á¿¿Õ¼äµÄλÖÃÒ»Ö¡£¶ø¼ä½Ó´øÏ¶¶ÔÓ¦µÄ¹ý³ÌÔòÐèÒªÉù×Ó²ÎÓ룬Ҳ¾ÍÊÇ˵µç×ӻᱻ¾§¸ñÉ¢É䣬´Ó¶ø·Å³öÉù×Ó¡£¶øµç×ÓÒ»¿ªÊ¼ÊÇûÓж¯Á¿µÄ£¬ËùÒÔ±ØÐëÒýÈëÉù×Ó£¬ÒòΪ¶¯Á¿·½Ïò±ØÐëÂú×㶯Á¿Êغ㣬¼ûÏÂͼ1¡£´ò¸ö²»Ç¡µ±µÄ±ÈÓ÷£¬Èç¹ûÄãÔÚÒ»¶°Â¥À´ÓÒ»²ãµ½¶¥²ãÖ»ÐèÒª×øµçÌÝ´¹Ö±Æð½µ¾ÍºÃ£¬µ«ÊÇÈç¹ûÄãÏëÒªµ½ÁÙ½üÂ¥µÄ»°£¬ÄÇÄã¾ÍÖ»ÄܽèÖúÂ¥ÓëÂ¥Ö®¼äµÄͨµÀ»òÊǺá¿çµçÌÝÁË¡£ÕâÀïÉù×Ó¾ÍÏñÕâ¸öºá¿çͨµÀµÄ×÷Óá£ÒòΪֱ½Ó´øÏ¶°ëµ¼ÌåµÄ·øÉäԾǨ¹ý³Ì£¨Ò²¾ÍÊǼ¤·¢Ì¬µç×ÓÓë¿ÕѨ½áºÏµÄ¹ý³Ì£©²»ÐèÒªÉù×Ó²ÎÓ룬ËùÒÔÕâ¸ö¹ý³Ì·¢ÉúµÄ¿ÉÄÜÐÔ¾ÍÒª´ó£¬¾ÍÓÐ×ã¹»µÄʱ¼ä£¨Ò²¾ÍÊÇÎÒ֮ǰµÄ±íÊö£¬lifetime)Íê³ÉÕâ¸ö¸´ºÏ¹ý³Ì¡£¶ø¼ä½Ó´øÏ¶°ëµ¼Ì壬ÒòΪ¸´ºÏ¹ý³ÌÐèÒªÉù×Ó²ÎÓ룬ËùÒÔ·øÉäԾǨ·¢ÉúµÄ¿ÉÄÜÐÔ¾ÍԶСÓÚÔÚÖ±½Ó´øÏ¶°ëµ¼Ìå¡£Ò²¾ÍÊÇ˵ÔÚ¸ø¶¨Ò»¶Îʱ¼äÄÚ£¬Õâ¸ö¹ý³ÌÌ«ÂýÒÔÖÁÓÚС¸ÅÂÊ·¢Éú¡£ËùÒÔ·¢¹âЧÂʺܸߣ¬·Ç³£ÊʺÏ×ö¹âµçÆ÷¼þ¡£ÕâÑù¾ÍÊÇΪʲômonolayer 2D Transition Metal Dichalgenides(TMDs)ÄÜÔÚgrapheneÖ®ºó»ñµÃ¾Þ´ó¹Ø×¢µÄÔ­Òò¡£
ËÄʱԺÖÐÖñÒ¶Ôµ£¬Èý¸üÃÎÀïÄ«ÊéÏ㣬¼¸¶È¸¡Éú¶ÈÈÕĺ£¬Ò»ÏªÑÌÔÂÕíÖвأ¬Óê½âÇé˼·çËøÃÅ£¬ÎíÃÔÊéͤ»ÃÈëÕæ¡£
3Â¥2016-11-29 15:55:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lxg133298

ÈÙÓþ°æÖ÷ (ÎÄѧ̩¶·)

Stay Hungry. Stay Foolish.

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¹þà¶ÃÏÃÏ: ½ð±Ò+9, ¡ï¡ï¡ïºÜÓаïÖú 2016-11-30 14:22:44
indirect bandgap ºÍdirect bandgapÊÇʲôÒâ˼-1

¼ûÉÏͼ£¬ÄÚÈݻظ´À´×ÔÍøÂç~¹²Í¬Ñ§Ï°£¡
ËÄʱԺÖÐÖñÒ¶Ôµ£¬Èý¸üÃÎÀïÄ«ÊéÏ㣬¼¸¶È¸¡Éú¶ÈÈÕĺ£¬Ò»ÏªÑÌÔÂÕíÖвأ¬Óê½âÇé˼·çËøÃÅ£¬ÎíÃÔÊéͤ»ÃÈëÕæ¡£
4Â¥2016-11-29 15:57:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¹þà¶ÃÏÃÏ

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by lxg133298 at 2016-11-29 15:57:34
¼ûÉÏͼ£¬ÄÚÈݻظ´À´×ÔÍøÂç~¹²Í¬Ñ§Ï°£¡

лл
5Â¥2016-11-30 14:19:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jyang17

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

6Â¥2018-05-30 11:01:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ¹þà¶ÃÏÃÏ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ 20+4 ¹Â¶ÀµÄÀǰ®³ÔÑò 2026-04-12 16/800 2026-04-12 18:12 by zhouxiaoyu
[¿¼ÑÐ] 335Çóµ÷¼Á +13 ÏëÉϰ¶Ñ½£¡£¡ 2026-04-12 13/650 2026-04-12 11:37 by ²ñС°×
[¿¼ÑÐ] µçÆø¹¤³Ìר˶320Çóµ÷¼Á +5 СÂé×Ó111 2026-04-10 5/250 2026-04-12 10:47 by zhouyuwinner
[¿¼ÑÐ] Çóµ÷¼Á£¬262»úеר˶ +8 àÅyyl 2026-04-08 8/400 2026-04-12 02:31 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] Çóµ÷¼Á +6 СÄô°®Ñ§Ï° 2026-04-11 9/450 2026-04-11 21:20 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 303Çóµ÷¼Á +14 SereinQ 2026-04-10 15/750 2026-04-11 20:43 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +8 СȽҪŬÁ¦ 2026-04-10 9/450 2026-04-11 10:22 by wwj2530616
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á0854Àà +4 ŬÁ¦µÄÏÄÄ© 2026-04-09 4/200 2026-04-11 09:57 by zhq0425
[¿¼ÑÐ] ³õÊÔ261 +3 AshtÉÙ 2026-04-10 6/300 2026-04-10 16:38 by AshtÉÙ
[¿¼ÑÐ] 282£¬µçÆø¹¤³Ìרҵ£¬Çóµ÷¼Á£¬²»Ìôרҵ +9 jggshjkkm 2026-04-10 9/450 2026-04-10 14:55 by ÄæË®³Ë·ç
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] 367Çóµ÷¼Á +10 hffQAQ 2026-04-09 10/500 2026-04-09 18:06 by lijunpoly
[¿¼ÑÐ] ²ÄÁϹ¤³Ì322 +18 ¹þ¹þ¹þºðºðºð¹þ 2026-04-07 19/950 2026-04-09 10:44 by cymywx
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ·¶´óѧ0702ÎïÀíѧ305µ÷¼Á +4 Äî³£°² 2026-04-07 6/300 2026-04-08 22:53 by bljnqdcc
[¿¼ÑÐ] 296Çóµ÷¼Á +3 Íô£¡£¿£¡ 2026-04-08 3/150 2026-04-08 22:00 by zhouyuwinner
[¿¼ÑÐ] 11408 325·Ö +3 jgtxuxgkx 2026-04-07 3/150 2026-04-07 23:10 by lbsjt
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ó¢¶þÊý¶þÇóµ÷¼Á +4 À¶¼ãƬ 2026-04-06 4/200 2026-04-07 12:30 by dongzh2009
[¿¼ÑÐ] Èí¹¤Ñ§Ë¶299Çóµ÷¼Á +6 useryy 2026-04-07 6/300 2026-04-07 09:50 by vgtyfty
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 СÁõͬѧ߹߹ 2026-04-06 5/250 2026-04-06 18:34 by sherry_1901
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û