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}

The regular patterns of c/a ratio and unit cell volume change with deuterium content.