| Pressure-Induced Color Change in the Lutetium Dihydride LuH2 |
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| 作者姓名： | 单鹏飞 王宁宁 郑希诠 仇清正 彭莹莹 程金光 |
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| 作者单位： | 1. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences;2. School of Physical Sciences,University of Chinese Academy of Sciences;3. International Center for Quantum Materials,School of Physics,Peking University |
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| 基金项目： | supported by the National Natural Science Foundation of China (Grant Nos.12025408,11921004,11888101,and 11974029)；;the Beijing Natural Science Foundation (Grant No.Z190008)；;the National Key R&D Program of China (Grant Nos.2018YFA0305700 and 2021YFA1400200)； |
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| 摘 要： | The lutetium dihydride LuH2 is stable at ambient conditions.Here we show that its color undergoes sequential changes from dark blue at ambient pressure to pink at ～2.2 GPa and then to bright red at ～4 GPa upon compression in a diamond anvil cell.Such a pressure-induced color change in LuH2 is reversible and it is very similar to that recently reported in the N-doped lutetium hydride Nature 615,244(2023)].However,our preliminary resistance measurements on LuH2 un...
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