ELECTRIC TWINNING IN QUARTZ BY TEMPERATURE-GRADIENT

被引：3

作者：

ILIESCU, B ^{[1
]}

CHIRILA, R ^{[1
]}

机构：

[1] UNIV BUCHAREST,FAC PHYS,DEPT ATOM & NUCL,R-76900 BUCHAREST,ROMANIA

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 1995年 / 30卷 / 02期

关键词：

Crystal resonators - Crystals - Heat treatment - Natural frequencies - Phase transitions - Thermal effects - Thermal gradients - Thermal stress - Twinning;

D O I：

10.1002/crat.2170300219

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

This paper presents a new method for obtaining electric twins in quartz crystal: thermal treatment in a temperature gradient at about 500 degrees C, that means under phase transition point. + 5X quartz crystal plates for resonators were used; a temperature gradient of 15-25 degrees C was applied for 4-5 hours along the Y axis (the place length). For + 5X resonators, the diminution of the resonant frequency and the increase of the inductance were plotted as a function of the level of twinning.

引用

页码：231 / 235

页数：5

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