MECHANOLUMINESCENCE OF FERROELECTRIC-CRYSTALS

被引：17

作者：

CHANDRA, BP ^{[1
]}

SHRIVASTAVA, KK ^{[1
]}

机构：

[1] GOVT COLL SCI,DEPT PHYS,RAIPUR 492002,INDIA

来源：

PRAMANA | 1979年 / 13卷 / 06期

关键词：

crystal fracture; ferroelectricity; high pressure phenomena; luminescence; Mechanoluminescence; triboluminescence;

D O I：

10.1007/BF02846293

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Mechanoluminescence spectra of triglycine sulfate, guanidine aluminium sulfate, rochelle salt, diglycine manganous chloride dihydrate, lithium ammonium tartate monohydrate and potassium dihydrogen phosphate crystals resemble the discharge spectra of nitrogen gases. Glycine silver nitrate, thiourea, ammonium sulfate and azobenzene crystals, the structure of which is centrosymmetric at room temperature, do not show mechanoluminescence. Following the role of crystal structure, the mechanoluminescence excitation is discussed on the basis of the piezo-electrification of the new surfaces created during fracture of the crystals. © 1979, the Indiana Academy of Sciences. All rights reserved.

引用

页码：611 / 615

页数：5

共 21 条

[1] A REFINEMENT OF CRYSTAL STRUCTURE OF AZOBENZENE [J].