中国物理B ›› 2019, Vol. 28 ›› Issue (10): 106106-106106.doi: 10.1088/1674-1056/ab3f91

所属专题: TOPICAL REVIEW — CALYPSO structure prediction methodology and its applications to materials discovery

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇    下一篇

Pressure-induced new chemistry

Jianyan Lin(蔺健妍), Xin Du(杜鑫), Guochun Yang(杨国春)   

  1. Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technologyof Ministry of Education, Northeast Normal University, Changchun 130024, China
  • 收稿日期:2019-06-10 修回日期:2019-07-18 出版日期:2019-10-05 发布日期:2019-10-05
  • 通讯作者: Guochun Yang E-mail:yanggc468@nenu.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 21573037, 21873017, 11704062, and 51732003), the Postdoctoral Science Foundation of China (Grant No. 2013M541283), the Natural Science Foundation of Jilin Province, China (Grant No. 20190201231JC), the "111" Project, China (Grant No. B13013), and the Fundamental Research Funds for the Central Universities of China (Grant No. 2412017QD006).

Pressure-induced new chemistry

Jianyan Lin(蔺健妍), Xin Du(杜鑫), Guochun Yang(杨国春)   

  1. Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technologyof Ministry of Education, Northeast Normal University, Changchun 130024, China
  • Received:2019-06-10 Revised:2019-07-18 Online:2019-10-05 Published:2019-10-05
  • Contact: Guochun Yang E-mail:yanggc468@nenu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 21573037, 21873017, 11704062, and 51732003), the Postdoctoral Science Foundation of China (Grant No. 2013M541283), the Natural Science Foundation of Jilin Province, China (Grant No. 20190201231JC), the "111" Project, China (Grant No. B13013), and the Fundamental Research Funds for the Central Universities of China (Grant No. 2412017QD006).

摘要: It has long been recognized that the valence electrons of an atom dominate the chemical properties, while the inner-shell electrons or outer empty orbital do not participate in chemical reactions. Pressure, as a fundamental thermodynamic variable, plays an important role in the preparation of new materials. More recently, pressure stabilized a series of unconventional stoichiometric compounds with new oxidation states, in which the inner-shell electrons or outer empty orbital become chemically active. Here, we mainly focus on the recent advances in high-pressure new chemistry including novel chemical bonding and new oxidation state, identified by first-principles swarm intelligence structural search calculations. The aim of this review is to provide an up-to-date research progress on the chemical bonding with inner-shell electrons or outer empty orbital, abnormal interatomic charge transfer, hypervalent compounds, and chemical reactivity of noble gases. Personal outlook on the challenge and opportunity in this field are proposed in the conclusion.

关键词: high pressure, oxidation state, stoichiometry, structural prediction

Abstract: It has long been recognized that the valence electrons of an atom dominate the chemical properties, while the inner-shell electrons or outer empty orbital do not participate in chemical reactions. Pressure, as a fundamental thermodynamic variable, plays an important role in the preparation of new materials. More recently, pressure stabilized a series of unconventional stoichiometric compounds with new oxidation states, in which the inner-shell electrons or outer empty orbital become chemically active. Here, we mainly focus on the recent advances in high-pressure new chemistry including novel chemical bonding and new oxidation state, identified by first-principles swarm intelligence structural search calculations. The aim of this review is to provide an up-to-date research progress on the chemical bonding with inner-shell electrons or outer empty orbital, abnormal interatomic charge transfer, hypervalent compounds, and chemical reactivity of noble gases. Personal outlook on the challenge and opportunity in this field are proposed in the conclusion.

Key words: high pressure, oxidation state, stoichiometry, structural prediction

中图分类号:  (Theory of crystal structure, crystal symmetry; calculations and modeling)

  • 61.50.Ah
61.50.Ks (Crystallographic aspects of phase transformations; pressure effects) 61.50.Nw (Crystal stoichiometry)