financially supported by the National Key R&D Program of China(Grant No.2023YFA1406200);the National Natural Science Foundation of China(Grant Nos.12174143 and U2032215)。
We investigate high-pressure phase diagrams of Pr–N compounds by proposing five stable structures(PnmaPr N,Ⅰ4/mmm-PrN_(2),C2/m-PrN_(3),P■-PrN_(4),and R3-PrN_(8))and two metastable structures(P■-PrN_(6)and P■-PrN_...
financially supported by the National Key R&D Program of China(Grant No.2018YFA0305900);the National Natural Science Foundation of China(Grant Nos.12174143 and U2032215);the Natural Science Foundation Project of Liaoning Province(Grant No.2022-MS-377)。
We propose a feasible strategy of intercepting the layered polymeric nitrogen(LP-N)and hexagonal layered polymeric nitrogen(HLP-N)at ambient conditions by using the confinement templates.The stable mechanism of confin...
supported by the National Natural Science Foundation of China(Grant No.U2030114);CASHIPS Director's Fund(Grant No.YZJJ202207-CX)。
Cubic gauche polynitrogen(cg-N)is an attractive high-energy density material.However,high-pressure synthesized cg-N will decompose at low pressure and cannot exist under ambient conditions.Here,the stabilities of cg-N...
supported by the Theoretical Physics Research Project of the National Natural Science Foundation of China(Grant No.12247177);the National Natural Science Foundation of China(Grant No.12004340);Zhengzhou University;supported by the National Supercomputing Centre in Zhengzhou。
The recent discoveries of near-room-temperature superconductivity in clathrate hydrides present compelling evidence for the reliability of theory-orientated conventional superconductivity.Nevertheless,the harsh pressu...
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);the Strategic Priority Research Program of CAS (Grant No.XDB33000000);the CAS Interdisciplinary Innovation Team (Grant No.JCTD-2019-01)。
The lutetium dihydride LuH2is 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 compress...
supported by the National Key Research and Development Program of China(Grant No.2021YFA1400400);the Fundamental Research Funds for the Central Universities(Grant No.020414380185);the Natural Science Foundation of Jiangsu Province(Grant No.BK20200007);the National Natural Science Foundation of China(Grant Nos.12074181,11834006,and 11704062);the Fok Ying-Tong Education Foundation of China(Grant No.161006);the Fund from Jilin Province(Grant No.JJKH20221152KJ)。
Neon(Ne)can reveal the evolution of planets,and nitrogen(N)is the most abundant element in the Earth’s atmosphere.Considering the inertness of neon,whether nitrogen and neon can react has aroused great interest in co...
Supported by the National Natural Science Foundation of China(Grant Nos.11774140,U1804121,and 11304167);China Postdoctoral Science Foundation(Grant No.2016M590033)。
Polymeric nitrogen is a promising candidate for a high-energy-density material. Synthesis of energetic compounds with high chemical stability under ambient conditions is still a challenging problem. Here we report a t...
Supported by the National Natural Science Foundation of China(Grant Nos.11704220,11804184,11974208 and 11804185);the Shandong Provincial Natural Science Foundation(Grant Nos.ZR2017BA020,ZR2018PA010,ZR2019MA054 and ZR2017BA012)。
Due to their unique structure properties,most of the electrides that possess extra electrons locating in interstitial regions as anions are insulators.Metallic and superconducting electrides are very rare under ambien...
Supported by the National Natural Science Foundation of China(Grant Nos.12074154,11904142 and 11722433);the Science and Technology Project of Xuzhou(Grant No.KC19010);the Six Talent Peaks Project and the 333 High-Level Talents Project of Jiangsu Province;the Natural Science Research Projects of Colleges and Universities in Jiangsu Province(Grant No.19KJB140001)。
Considering that pressure-induced formation of short,strong covalent bonds in light-element compounds can produce superhard materials,we employ structure searching and first-principles calculations to predict a new cl...
the National Natural Science Foundation of China under Grant No 40974052;the National Key Laboratory for Shock Wave and Detonation Physics under Grant No LSD201201002.
A new assembly for ultrasonic measurements of water and ice on multi-anvil apparatus has been designed, and the ultrasonic compressional wave velocities in water and ice up to 4.2 GPa and 500 K are achieved. The press...