Optical phonons in millerite (NiS) from single-crystal polarized Raman spectroscopy

被引：37

作者：

Guillaume, Franicois ^{[1
]}

Huang, Shanshan ^{[2
]}

Harris, Kenneth D. M. ^{[3
]}

Couzi, Michel

Talaga, David

机构：

[1] Univ Bordeaux 1, Inst Mol Sci, CNRS, UMR 5255, F-33405 Talence, France

[2] Cardiff Univ, Sch Earth & Ocean Sci, Cardiff CF10 3YE, S Glam, Wales

[3] Cardiff Univ, Sch Chem, Cardiff CF10 3AT, S Glam, Wales

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 2008年 / 39卷 / 10期

关键词：

Raman spectroscopy; phonons; single crystal; nickel sulfide; millerite;

D O I：

10.1002/jrs.2014

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Although several fundamental physico-chemical aspects of nickel sulfides have been studied in detail, particularly for millerite (nickel(II) monosulfide), the most common nickel sulfide mineral, no satisfactory investigation of optical vibrational modes has been reported previously. In this paper, we provide a definitive assignment of the optical phonons in millerite, investigated by polarized Raman spectroscopy on an oriented single crystal. The impact of the power of the incident laser beam on the spectra has also been investigated, revealing evidence for degradation in the quality of the spectra at sufficiently high laser power. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：1419 / 1422

页数：4

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