The influence of Cu2+ ions on the ionic, electronic conductivity and optical characteristics of Li2O-SrO-B2O3 system

被引：7

作者：

Babu, A. Ramesh ^{[1
]}

Yusub, S. ^{[2
]}

Aruna, V ^{[1
]}

Ram, N. Sree ^{[1
]}

Teja, P. M. Vinaya ^{[3
]}

Chaitanya, Y. ^{[1
]}

机构：

[1] Bapatla Engn Coll, Dept Phys, Bapatla 522102, AP, India

[2] Lakireddy Bali Reddy Coll Engn Autonomous, Freshman Engn Dept, Mylavaram 521230, AP, India

[3] AC Coll, Dept Phys, Guntur 522001, Andhra Pradesh, India

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2022年 / 575卷

关键词：

Glasses; X-ray diffraction; ESR; Infrared spectroscopy; Optical properties; Dielectric properties; COPPER IONS; DIELECTRIC-PROPERTIES; GLASSES; EPR; PARAMETERS; LEAD;

D O I：

10.1016/j.jnoncrysol.2021.121210

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Melt quenching technique was used for preparing the glass network 10Li2O-30SrO-(60-x)B2O3: xCuO (0 < x < 1, where x = 0, 0.2, 0.4, 0.6, 0.8, and 1 mol%). The samples were investigated by analysing spectroscopic and dielectric properties. X-ray diffraction (XRD) asserted the glassy nature of the samples. Optical absorption spectra of the specimens displayed a prime band centred nearly at 750 nm due to Cu2+ ions. A continuous increase in the intensity of this band is noticed with a rise in the concentration of CuO. Electron spin resonance (ESR) spectra of the glasses confirmed the existence of Cu2+ ions. Spin-Hamiltonian parameters of the specimens were estimated. An analysis on the Fourier transform infrared (FTIR) curves confirmed the bands due to conventional borate units. The dielectric investigations supported the depolymerization of the specimens with an increase in the content of CuO.

引用

页数：13

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