High pressure synthesis of hydride-fluoride pyrochlore NaCaMg2F71xHx

Kazunari Arai, Yoji Kobayashi, Ya Tang, Yusuke Tsutsui, Daisuke Sakamaki, Takafumi Yamamoto, Kotaro Fujii, Masatomo Yashima, Shu Seki, Hiroshi Kageyama

Research output: Contribution to journalArticlepeer-review


The hydride-fluoride pyrochlore NaCaMg2F71xHx has been synthesized at high pressure (2 GPa) from binary fluorides and hydrides. Contrary to initial expectations, we did not find strong evidence of selective hydride substitution in special anionic sites. F-center formation under UV irradiation at room temperature was observed, demonstrating the potential lability of hydride and enabling further systematic studies.
Original languageEnglish (US)
Pages (from-to)829-832
Number of pages4
JournalChemistry Letters
Issue number7
StatePublished - Jan 1 2018
Externally publishedYes

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