24小时热门版块排行榜    

Znn3bq.jpeg
查看: 768  |  回复: 3

muzhongfei

木虫 (正式写手)

QQ: 77486526

[交流] 【求助】懂电子顺磁共振 EPR的请进来,请教问题 已有3人参与

摘要一段
Electron paramagnetic resonance measurements have been made at 17.4 GHz at room and liquid helium temperatures of divalent manganese substituted into the three sites of yttrium aluminium garnet (YAlG). The relative intensities of the tetrahedral, octahedral, and dodecahedral spectra were respectively 3:2:30.

Data at liquid helium temperatures in units of 10-4 cm-1 are for tetrahedral site: gz = 2.001, B  = -170.6, B  = 0.062, Az = -69.1; for octahedral site: gz = 2.001, B  = -139.3, B  = -0.088, Az = -82.3; for dodecahedral site: gz = gy = 2.001, B  = -102.2, B22 = -167.8, B  = -0.006, (B  + B ) = 0.11, Az = -85.1, Ay = -85.9. The second order zero field splittings were compared to the various existing crystal field models using the local crystalline fields at the three sites obtained by summing up the contributions of the point monopoles to convergence. Poor agreement was obtained.

请问,第一段里,在四面体,八面体,十二面体光谱的相对强度分别是3:2:20,是不是可以理解为分布于三种格位上的二价锰离子的数目之比为3:2:20??
回复此楼
muzhongfei@gdut.edu.cn
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

shq.l

铁杆木虫 (正式写手)

muzhongfei(金币+1):谢谢交流! 2010-06-12 19:38:24
不可以吧,由于化学效应,谱位置应该有差别,不同谱位置的强度不具有可比性
2楼2010-06-12 19:10:36
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

夕阳西下

金虫 (著名写手)

muzhongfei(金币+1): 2010-06-15 19:59:33
谱线的相对强度与光强有关还与所测样品的含量有关。如果光强一定,应该与粒子数成正比吧。
3楼2010-06-13 08:35:42
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

ybhan

金虫 (正式写手)

4楼2015-02-10 14:48:43
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 muzhongfei 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 一志愿安大生物学07初试322、本科二本、调剂求助 +10 李多米lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
[考研] 297求调剂 +17 ORCHID1 2026-04-10 18/900 2026-04-12 09:59 by zhouwenxian
[考研] 调剂 +10 只叙离别辞 2026-04-09 12/600 2026-04-11 20:57 by 逆水乘风
[教师之家] 请问地理、遥感方面,可以做哪些横向项目啊,纵向完不成考核啊 +3 锦衣卫寒战 2026-04-07 5/250 2026-04-11 20:51 by 豫椒
[考研] 求调剂 +10 璃茉一定上岸 2026-04-10 10/500 2026-04-11 13:31 by 1005715100
[考研] 269电子信息求调剂,可转专业 +11 独酌wl 2026-04-06 11/550 2026-04-11 11:12 by 逆水乘风
[考研] 农学0904 312求调剂 +6 Say Never 2026-04-10 6/300 2026-04-11 10:33 by wwj2530616
[考研] 273求调剂 +51 麦小叮当 2026-04-06 58/2900 2026-04-10 15:54 by jiajinhpu
[考研] 考研调剂 +13 冰冰,,, 2026-04-07 13/650 2026-04-09 17:01 by Lilly_Li
[考研] 083200 初试305分 求调剂 暂不考虑跨专业 +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
[考研] 086004 求调剂 309 +7 Yin DY 2026-04-08 7/350 2026-04-09 13:59 by Delta2012
[考研] 一志愿0807 数一英一 313 有没有二轮调剂 +11 emokidd 2026-04-08 12/600 2026-04-09 09:24 by wyf236
[考研] 353求调剂 +8 晴空万里air 2026-04-07 8/400 2026-04-09 00:18 by GouQ
[考研] 生物学328分求调剂 +9 闪电kkl 2026-04-08 10/500 2026-04-08 21:42 by liuhuiying09
[考研] 机械工程313分找工科调剂 +3 双一流本科机械 2026-04-08 3/150 2026-04-08 20:41 by 土木硕士招生
[考研] 化工学硕 285求调剂 +26 Wisjxn 2026-04-07 26/1300 2026-04-08 14:42 by screening
[考研] 求调剂,现在还能填的 +3 上岸小莹加油 2026-04-08 3/150 2026-04-08 14:30 by zhq0425
[考研] 304求调剂 +10 素年祭语 2026-04-06 17/850 2026-04-08 09:05 by 蓝云思雨
[考研] 机械工程264学硕求调剂 +3 qiushangxian 2026-04-06 3/150 2026-04-08 01:53 by Linzejun
[考研] 专硕085403,291分,有两篇专利,一国一奖 +3 哈吉咪哈吉咪 2026-04-07 3/150 2026-04-07 18:21 by 蓝云思雨
信息提示
请填处理意见