Effect of thermal annealing on the properties of nickel sulfide nanostructures: Structural phase transition

被引：14

作者：

Balayeva, Ofeliya O. ^{[1
]}

Azizov, Abdulsaid A. ^{[1
]}

Muradov, Mustafa B. ^{[2
]}

Maharramov, Abel M. ^{[1
]}

Eyvazova, Goncha M. ^{[2
]}

Gasimov, Rashid J. ^{[3
]}

Dadashov, Zamil X. ^{[3
]}

机构：

[1] Baku State Univ, Dept Chem, Z Khalilov Str 23, AZ-1148 Baku, Azerbaijan

[2] Baku State Univ, Dept Phys, Z Khalilov Str 23, AZ-1148 Baku, Azerbaijan

[3] ANAS, Inst Radiat Problems, B Vahabzade Str 9B, AZ-1143 Baku, Azerbaijan

来源：

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2017年 / 64卷

关键词：

Nanocomposites (NCs); Structural phase transition; Optical properties; ELECTRON; NI3S4;

D O I：

10.1016/j.mssp.2017.03.021

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work covers the effects of annealing temperature on crystalline size, surface morphology, optical, structural and paramagnetic properties of NiS and Ni3S4 nanostructures grown through SILAR technique into FNBR matrix. Annealing at low temperature was performed in air and vacuum for 8 h. X-ray diffraction results confirm structural phase transitions (like NiS -> Ni7S6 and Ni3S4 -> Ni9S8) and oxidation processes (by the formation of NiO-SO4-H2O) after thermal annealing of nanocomposites (NCs) in a vacuum and in air, respectively. By EDX spectrum the average Ni: S atomic ratio is approximately 1: 1 for as-prepared NiS, 1:0.89 for NiS annealed in a vacuum and 1: 0.91 for NiS annealed in air.

引用

页码：130 / 136

页数：7

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