SPLITTING OF LO, TO MODE RAMAN SPCETRA OF SINGLE CRYSTAL KTiOPO4

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SPLITTING OF LO, TO MODE RAMAN SPCETRA OF SINGLE CRYSTAL KTiOPO4

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LIANG WEI, JIANG SHAO-LIN, HUA BAO-YING, JIANG YI-JIAN, CHEN GANG, ZHANG KE-CONG, WEI MING

Acta Phys. Sin., 1994, 43(9): 1537-1543.

Abstract
The vibration spectra of single crystal KTiOPO4 was analysed using group method tnd measured in the frequency shift range of 50-1600cm-1 at room temperature. The Raman peaks of all LO, TO modes were obtained. Upon the result of LO-TO splitting, the effective charge, mode strength and static dielectric constant of polar modes of KTP single crystal were calculated.
Authors and contacts
LIANG WEI²,

JIANG SHAO-LIN²,

HUA BAO-YING²,

JIANG YI-JIAN²,

CHEN GANG²,

ZHANG KE-CONG¹,

WEI MING¹

(1)北京工业大学环境化学系; (2)北京工业大学应用物理系
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