Effects of deuteration on the structure of NH4H2PO4 crystals characterized by neutron diffraction

doi:10.1088/1674-1056/28/1/016103

中国物理B ›› 2019, Vol. 28 ›› Issue (1): 16103-016103.doi: 10.1088/1674-1056/28/1/016103

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Effects of deuteration on the structure of NH₄H₂PO₄ crystals characterized by neutron diffraction

Baoan Liu(刘宝安), Lili Zhu(朱丽丽), Fafu Liu(刘发付), Xun Sun(孙洵), Xiping Chen(陈喜平), Lei Xie(谢雷), Yuanhua Xia(夏元华), Guangai Sun(孙光爱), Xin Ju(巨新)

1 Department of Physics, University of Science and Technology Beijing, Beijing 100083, China;
2 School of Materials Science and Engineering, Shandong Jiaotong University, Jinan 250357, China;
3 State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;
4 Neutron Physics Laboratory, China Academy of Engineering Physics, Mianyang 621900, China

收稿日期:2018-10-18 修回日期:2018-11-11 出版日期:2019-01-05 发布日期:2019-01-05
通讯作者: Lili Zhu E-mail:zhullcrys@163.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 51402173), Shandong Provincial Natural Science Joint Foundation with Universities and Scientific Research Institution, China (Grant No. ZR2017LEM006), the Neutron Physics Laboratory, China Academy of Engineering Physics (Grant No. 2014BB07), and the Fundamental Research Funds for Central Universities, China (Grant No. FRF-TP-15-099A1).

Effects of deuteration on the structure of NH₄H₂PO₄ crystals characterized by neutron diffraction

Baoan Liu(刘宝安)¹, Lili Zhu(朱丽丽)², Fafu Liu(刘发付)^3,4, Xun Sun(孙洵)³, Xiping Chen(陈喜平)⁴, Lei Xie(谢雷)⁴, Yuanhua Xia(夏元华)⁴, Guangai Sun(孙光爱)⁴, Xin Ju(巨新)^1,4

1 Department of Physics, University of Science and Technology Beijing, Beijing 100083, China;
2 School of Materials Science and Engineering, Shandong Jiaotong University, Jinan 250357, China;
3 State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;
4 Neutron Physics Laboratory, China Academy of Engineering Physics, Mianyang 621900, China

Received:2018-10-18 Revised:2018-11-11 Online:2019-01-05 Published:2019-01-05
Contact: Lili Zhu E-mail:zhullcrys@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 51402173), Shandong Provincial Natural Science Joint Foundation with Universities and Scientific Research Institution, China (Grant No. ZR2017LEM006), the Neutron Physics Laboratory, China Academy of Engineering Physics (Grant No. 2014BB07), and the Fundamental Research Funds for Central Universities, China (Grant No. FRF-TP-15-099A1).

摘要/Abstract

摘要：

A series of deuterated ammonium dihydrogen phosphate (DADP) crystals were grown and their structures were investigated by using powder neutron diffraction method. In the entire composition range, the deuterated level in the crystals is lower compared with the aqueous growth solution. The deuterium segregation coefficient in the crystals decreases with increasing deuterium content of the solution. The deuterium content in the NH₄⁺ group is higher than that in H₂PO₄^- group. In addition, the variations of lattice parameters are shown here.

关键词: DADP crystal, neutron diffraction, deuteration level

Abstract:

Key words: DADP crystal, neutron diffraction, deuteration level

中图分类号: (Neutron diffraction and scattering)

61.05.F-

61.50.-f (Structure of bulk crystals) 81.10.Dn (Growth from solutions)

刘宝安, 朱丽丽, 刘发付, 孙洵, 陈喜平, 谢雷, 夏元华, 孙光爱, 巨新. Effects of deuteration on the structure of NH₄H₂PO₄ crystals characterized by neutron diffraction[J]. 中国物理B, 2019, 28(1): 16103-016103.

Baoan Liu(刘宝安), Lili Zhu(朱丽丽), Fafu Liu(刘发付), Xun Sun(孙洵), Xiping Chen(陈喜平), Lei Xie(谢雷), Yuanhua Xia(夏元华), Guangai Sun(孙光爱), Xin Ju(巨新). Effects of deuteration on the structure of NH₄H₂PO₄ crystals characterized by neutron diffraction[J]. Chin. Phys. B, 2019, 28(1): 16103-016103.

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Effects of deuteration on the structure of NH₄H₂PO₄ crystals characterized by neutron diffraction

Effects of deuteration on the structure of NH₄H₂PO₄ crystals characterized by neutron diffraction

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