Effects of deuteration on the structure of NH4H2PO4 crystals characterized by neutron diffraction<xref rid="cpb_28_1_016103fn1" ref-type="fn">*</xref><fn id="cpb_28_1_016103fn1"><label>*</label>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).</fn>

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

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).

Liu Baoan¹, Zhu Lili^{2, †}, Liu Fafu^{3, 4}, Sun Xun³, Chen Xiping⁴, Xie Lei⁴, Xia Yuanhua⁴, Sun Guangai⁴, Ju Xin^{1, 4}

Variation of deuterium content in the crystals (the mole ratio of deuterium to total hydrogen) with the change in deuterium content in the solution. The deuterium content in the group means the mole ratio of deuterium to all hydrogen in the chemical group.