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Author:

侯碧辉 (侯碧辉.) | 王雅丽 (王雅丽.) | 常新安 (常新安.) | 李顺锁 (李顺锁.) | 赵国忠 (赵国忠.) | 郝伟 (郝伟.)

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EI Scopus SCIE PKU CSCD

Abstract:

实验测量了室温下磷酸二氢钾KH2PO4(KDP)晶体0.2~1.6 THz的时域光谱,以及50~4000cm-1范围内的远红外光谱,200~2000 nm的紫外-可见-红外光谱.KDP晶体的禁带宽度是5.91 eV.在测量范围内有一个很宽的声子吸收带.从0.2~205.5 THz吸收系数在35~80 cm-1,声子吸收的低频端小于0.2 THz.最高的纵光学模声子的频率VLO大约是205.5 THz,由此求出这支声子的H-0键的力常数为13.13 N·cm-1.

Keyword:

THz光谱 红外-紫外光谱 声子吸收 KH2PO4晶体

Author Community:

  • [ 1 ] [侯碧辉]北京工业大学
  • [ 2 ] [王雅丽]中国科学院物研究生院
  • [ 3 ] [常新安]北京工业大学
  • [ 4 ] [李顺锁]北京工业大学
  • [ 5 ] [赵国忠]首都师范大学
  • [ 6 ] [郝伟]北京工业大学

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Source :

光谱学与光谱分析

ISSN: 1000-0593

Year: 2010

Issue: 11

Volume: 30

Page: 2881-2884

0 . 7 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 2

Chinese Cited Count:

30 Days PV: 0

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