Raman spectra of cubic FeS 2 and flower-like FeSe 2 at
In this paper, for the first time a simple batch process was utilized for the facile synthesis of cubic FeS (2) and flower-like FeSe (2). By adjusting the amount of solvents and surfactants added,...
Influence of temperature on raman spectra of the FeS2 single …
2014年10月10日 · Raman scattering in a natural FeS 2 single crystal with the pyrite structure was investigated in the temperature range of 80–300 K. All five Raman-active modes E g, T g (1), …
Raman scattering from phonons in iron pyrite (FeS2)
1972年2月1日 · We have measured the Raman spectra of the phonons in FeS 2 at room temperature, using the 4880Å and 5145Å lines of an argon ion laser in reflection from a …
Chemical characterization of FeS 2 single crystals. (a) Raman …
FeS2 microcrystals, synthesized in sulphur and recrystallized in molten KI as flux, had cubic structure of pyrite phase with stoichiometric composition, confirmed by X-ray diffraction, …
In situ Raman spectroscopic studies of FeS2 pyrite up to 675 K …
2018年1月2日 · Raman scattering experiments of natural FeS2 pyrite were performed at simultaneous high-pressure and high-temperature conditions up to 675 K and 2100 MPa using …
Complete first-order Raman spectra of the pyrite structure compounds ...
1983年1月1日 · This paper intends to improve the experimental situation by presenting complete first-order Raman spectra of the semiconductors FeS; and MnS;, and the semimetal SiP;. The …
(PDF) High-pressure Raman spectroscopic studies of FeS 2 pyrite
2004年6月1日 · In order to determine any possible influence of such intrinsic strength effects on the dynamical properties of FeS2 we have investigated natural iron pyrite with Micro-Raman …
拉曼光谱研究天然FeS2晶须结构及其相变规律 - 豆丁网
2015年9月3日 · 通过FeS2 晶须拉曼光谱特征解读和分析可以看出，耿 矿、黄铁矿型结构共存，晚期黄铁矿型结构为主的变化规 . 庄FeS2 晶须结构分为黄铁矿型和白铁矿型两类。从形成时 律 …
天然FeS2晶须的结构和相变规律的拉曼光谱研究,Guang pu xue yu …
扫描电子显微镜和电子探针的研究表明，FeS2的矿物质成分定期变化。 天然纳米微米FeS2晶须的结构通过显微拉曼光谱法测定。 结果表明，FeS2晶须中存在两种类型的结构：黄铁矿和镁铁 …
High-pressure Raman spectroscopic studies of FeS2 pyrite ...
2018年7月5日 · We report micro-Raman spectroscopic studies of FeS 2 pyrite in the diamond-anvil cell under hydrostatic and non-hydrostatic conditions to 55 GPa at room temperature. …