Znn3bq.jpeg
²é¿´: 2174  |  »Ø¸´: 8

΢΢de΢Ц

гæ (СÓÐÃûÆø)

[ÇóÖú] GeÄÜ´ø¼ÆËã ÒÑÓÐ1È˲ÎÓë

ʹÓÃATK¼ÆËãGeÄÜ´ø£¬ÓÃÔ­°û£¨º¬Á½¸öÔ­×Ó£©¼ÆËãµÃµ½µÄÄÜ´ø±È½ÏÕý³££¨µÚÒ»¸öͼ£©£¬µ«À©°ûºó£¨º¬16¸öÔ­×Ó£©µÃµ½µÄÄÜ´ø³öÏÖÎÊÌ⣬³ÉΪֱ½ÓµÄÁË£¬Á½ÖÖ¼ÆËã·½·¨ÊÇÒ»ÑùµÄ¡£×öΪһ¸öÐÂÊÖ£¬Çë½Ì¸÷λ³öÏÖÕâÖÖÇé¿öµÄÔ­ÒòÊÇʲô°¡£¿

GeÄÜ´ø¼ÆËã


GeÄÜ´ø¼ÆËã-1


·¢×ÔСľ³æAndroid¿Í»§¶Ë
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

jpchou

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
?D???????_?????????????????????
??????N?^?????????????_?J??????"????" ??????:

Ge ??????r??? (electronic configuration [Ar].3d10.4s2.4p2 )
???w Ge?????§Ñ???r???
??l?????????????????????f
Fermi level ?????????l bands
?????????D?????????"????"??
??????????c band gap???@?????????????

?????? 16 Ge ?? supercell ????
Fermi level ?????? 32 ?l bands (???)
?????????D??? "????" ??

supercell (16Ge) ?c unit cell (2 Ge) ???????a???@??????
????????????? band folding effect in periodic system calculation
??????B?n??
2Â¥2017-06-23 20:09:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

΢΢de΢Ц

гæ (СÓÐÃûÆø)

???????:
2?: Originally posted by jpchou at 2017-06-23 20:09:07
?D???????_?????????????????????
??????N?^?????????????_?J??????"????" ??????:

Ge ??????r??? (electronic configuration .3d10.4s2.4p2 )
???w Ge?????§Ñ???r???
??l?? ...

§Ý§Ý

????§³???Android?????
3Â¥2017-06-23 23:07:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

΢΢de΢Ц

гæ (СÓÐÃûÆø)

???????:
2?: Originally posted by jpchou at 2017-06-23 20:09:07
?D???????_?????????????????????
??????N?^?????????????_?J??????"????" ??????:

Ge ??????r??? (electronic configuration .3d10.4s2.4p2 )
???w Ge?????§Ñ???r???
??l?? ...

??????????16??????????????????????????????????

????§³???Android?????
4Â¥2017-06-24 09:23:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kczhang

Òø³æ (ÖøÃûдÊÖ)

ÎÒ¾õµÃÖ÷Òª»¹ÊǶԳÆÐÔÑ¡ÔñµÄÎÊÌ⣬Ä㳬°ûËãʱ¶Ô³ÆÐÔ½µµÍÁË

·¢×ÔСľ³æAndroid¿Í»§¶Ë
¾ý×Ó²ØÆ÷ÓÚÉí£¬´ýʱ¶ø¶¯
5Â¥2017-06-24 10:41:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jpchou

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
4¥: Originally posted by ΢΢de΢Ц at 2017-06-24 09:23:34
ÇëÎÊ£¬Èç¹ûÓÃ16¸öÔ­×ӵģ¬¿ÉÒԵõ½ÕýÈ·µÄ´øÏ¶Âð£¿ÎÒÓ¦¸ÃÔõô×ö£¿
...

®”È»ÊÇ¿ÉÒÔµÄ

Ž§Ï¶µÄ¶¨ÁxÊÇ CBM - VBM
“Q¾äÔ’Õf£¬Ò²¾ÍÊÇ LUMO - HOMO
ËùÒÔÄãÖ»ÒªÕÒµ½×î¸ß?דþ‘BÅc×îµÍ?דþ‘B
ƒÉÕߵIJ¼´žé Ž§Ï¶

VBM: valence band maximum
CBM: conduction band minimum
HOMO: highest occupied molecule orbital
LUMO: lowest unoccupied molecule orbital
6Â¥2017-06-24 16:03:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

΢΢de΢Ц

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by jpchou at 2017-06-24 16:03:04
®”È»ÊÇ¿ÉÒÔµÄ

Ž§Ï¶µÄ¶¨ÁxÊÇ CBM - VBM
“Q¾äÔ’Õf£¬Ò²¾ÍÊÇ LUMO - HOMO
ËùÒÔÄãÖ»ÒªÕÒµ½×î¸ß?דþ‘BÅc×îµÍ?דþ‘B
ƒÉÕߵIJ¼´žé Ž§Ï¶

VBM: valence band maximum
CBM: conduction band minimum
HOMO: high ...

ÎÒ»¹ÓÐÎÊÌâûÓÐÃ÷°×£¬ÏëÇë½ÌÄú£¬ÔõÑùµÃµ½ËüµÄÖ±½Ó´øÏ¶Óë¼ä½Ó´øÏ¶°¡£¬´ÓµÚ¶þÕÅͼ¿ÉÒԵõ½Âð£¿

·¢×ÔСľ³æAndroid¿Í»§¶Ë
7Â¥2017-06-24 20:56:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jpchou

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸ù“þÎÒÉÏÃæµÄÕfÃ÷£¬Ž§Ï¶žé CBM - VBM

Ö±½ÓŽ§Ï¶:  CBM Åc VBM µÄ k ücžéͬһüc

ég½ÓŽ§Ï¶:  CBM Åc VBM µÄ k üc²»žéͬһüc

( k üc¾ÍÊÇÄ㮋ˆDµÄ x-axis)
8Â¥2017-06-25 02:30:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

samchen_456

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

9Â¥2017-06-25 07:22:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ΢΢de΢Ц µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö +8 СÄô°®Ñ§Ï° 2026-04-14 8/400 2026-04-16 07:22 by ѧԱJpLReM
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +11 RussHu 2026-04-12 13/650 2026-04-15 19:07 by zhuwenxu
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬ÉúÎïѧ326Çóµ÷¼Á +7 Áõīī 2026-04-15 7/350 2026-04-15 18:51 by ¸¡ÔÆ166
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +9 Ö½ÉÈzhishan 2026-04-13 9/450 2026-04-15 18:28 by ANÁ÷800
[¿¼ÑÐ] Çóµ÷¼Á +12 ºÎÆøÕý 2026-04-13 13/650 2026-04-14 14:47 by zs92450
[¿¼ÑÐ] 085408¹âµçÐÅÏ¢¹¤³Ìר˶355Ò»Ö¾Ô¸³¤´º¹â»úËùµ÷¼Á +6 Íõymaa 2026-04-13 13/650 2026-04-14 11:33 by Íõymaa
[¿¼ÑÐ] È˹¤ÖÇÄÜ320µ÷¼Á08¹¤À໹Óлú»áÂð +18 Õñ¡ªTZ 2026-04-10 19/950 2026-04-14 10:34 by screening
[¿¼ÑÐ] ²ÄÁÏ085601µ÷¼Á +32 ºÎÈó²É123 2026-04-10 34/1700 2026-04-14 08:47 by ľľmumu¡«
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] ±¾¿ÆÎ÷¹¤´ó 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-13 23:08 by pies112
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á£¬Ò»Ö¾Ô¸Î÷ÄÏ´óѧ348£¬TopÆÚ¿¯Ò»Çø¶þ×÷¡¢¶þÇøÈý×÷£¬ÈýµÈ½±Ñ§½ðÈý´Î +5 candyyyi 2026-04-09 5/250 2026-04-13 09:02 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] Çóµ÷¼Á288 +7 ioodiiij 2026-04-10 9/450 2026-04-13 08:33 by Hayaay
[¿¼ÑÐ] 295·ÖÇóµ÷¼Á +13 ?ÒªÉϰ¶? 2026-04-10 13/650 2026-04-12 15:37 by laoshidan
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 22408 327·ÖÇóµ÷¼Á +4 ÔÏ·çkon 2026-04-10 4/200 2026-04-11 09:51 by Öí»á·É
[¿¼ÑÐ] 083200 305·Ö Çó¶þÂÖµ÷¼Á ²»½ÓÊÜ¿çרҵ +9 Claireyyyy 2026-04-09 10/500 2026-04-10 21:21 by Claireyyyy
[¿¼ÑÐ] 309Çóµ÷¼Á +14 wdhw 2026-04-10 15/750 2026-04-10 21:06 by zhouxiaoyu
[¿¼ÑÐ] Çóµ÷¼Á +5 ²»»á·ÉµÄÓã@ 2026-04-10 5/250 2026-04-10 19:07 by chemisry
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +3 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-09 3/150 2026-04-09 21:29 by wutongshun
[¿¼ÑÐ] ²ÄÁÏר˶(0856) 339·ÖÇóµ÷¼Á +9 ¹þ¹þ¹þ¶ì¹þ¹þ¹þ 2026-04-09 10/500 2026-04-09 20:01 by Orcid
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û