Unexpected giant negative area compressibility in palladium diselenide.

Jiang, Xingxing; Zhang, Shengzi; Jiang, Dequan; Wang, Yonggang; Molokeev, Maxim S; Wang, Naizheng; Liu, Youquan; Zhang, Xingyu; Lin, Zheshuai.

Jiang X; New Functional Crystals Group, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
Zhang S; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China.
Jiang D; New Functional Crystals Group, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
Wang Y; University of Chinese Academy of Sciences, Beijing 100049, China.
Molokeev MS; Center for High Pressure Science & Technology Advanced Research, Beijing 100094, China.
Wang N; School of Materials Science and Engineering, Peking University, Beijing 100871, China.
Liu Y; Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk 660036, Russia.
Zhang X; Department of Physics, Far Eastern State Transport University, Khabarovsk 680021, Russia.
Lin Z; International Research Center of Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk 660041, Russia.