Pressure-induced structure phase transition on Y<sub>2</sub>O<sub>3</sub>

MA Yanming    1; 2    MA Hongan  2  PAN Yuewu  2  CUI Qiliang  2  LIU Bingbing  2    CUI Tian  2  ZOU Guangtian  2  LIU Jing  3  WANG Lijun  1  1

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Pressure-induced structure phase transition on Y₂O₃

更新时间：2021-03-12

- Pressure-induced structure phase transition on Y₂O₃
- NUCLEAR TECHNIQUES Issue 10, (2002)
- 作者机构：
  
  1. 中国科学院长春光机与物理研究所
  2. 激发态重点实验室
  3. 吉林大学超硬材料国家重点实验室
  4. 中国科学院高能物理研究所
  5. 激发态重点实验室长春130021吉林大学超硬材料国家重点实验室长春,130023
  6. ,北京,100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： O792
- Published：01 October 2002
- 稿件说明：
移动端阅览
[1]马琰铭,马红安,潘跃武,崔启良,刘冰冰,崔田,邹广田,刘景,王立军.Y_2O_3压致结构相变的研究[J].核技术,2002(10):841-844.

MA Yanming 1, 2 MA Hongan 2 PAN Yuewu 2 CUI Qiliang 2 LIU Bingbing 2 CUI Tian 2 ZOU Guangtian 2 LIU Jing 3 WANG Lijun 1 1. Pressure-induced structure phase transition on Y₂O₃[J]. Nuclear techniques, 2002, (10): 841-844.
[1]马琰铭,马红安,潘跃武,崔启良,刘冰冰,崔田,邹广田,刘景,王立军.Y_2O_3压致结构相变的研究[J].核技术,2002(10):841-844. DOI：

MA Yanming 1, 2 MA Hongan 2 PAN Yuewu 2 CUI Qiliang 2 LIU Bingbing 2 CUI Tian 2 ZOU Guangtian 2 LIU Jing 3 WANG Lijun 1 1. Pressure-induced structure phase transition on Y₂O₃[J]. Nuclear techniques, 2002, (10): 841-844. DOI：

摘要

本文采用金刚石对顶砧高压装置（DAC）

利用同步辐射X -ray衍射

对Y2 O3粉末样品进行了原位高压X -ray衍射实验

最高压力达到 2 3GPa。在研究的压力范围内观察到两个相变。在 12 .8GPa压力点

Y2 O3由稀土倍半氧化物的立方结构转变为单斜结构。在 2 1.8GPa压力点

样品由单斜结构转变为另一个新相

但由于样品峰的消失

无法判断其结构。卸压后样品为单斜结构

说明Y2 O3第一个压致结构相变为不可逆相变。

Abstract

Diamond anvil cell (DAC) is adopted to carry out in situ high pressure measurements for Y 2O 3 powder sample in the range from ambient to 23GPa

by using synchrotron X-ray diffraction method. Two structural phase transitions were observed in the pressure range. At P =12.8GPa

Y 2O 3 transforms from cubic to monoclinic structure. At P =21.8GPa

Y 2O 3 transforms from monoclinic to another new phase. However

the crystal structure of the new phase cannot be determined

because the diffraction pattern of the sample disappears. The decompressed sample is monoclinic structure

indicating that the first pressure-induced phase transition is irreversible.

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Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus

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Institute of High Energy Physics, Chinese Academy of Sciences

Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing 100049,China) 2

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Pressure-induced structure phase transition on Y2O3

DOI：

摘要

Abstract

关键词

Keywords

references

Pressure-induced structure phase transition on Y₂O₃