Arsenide hydride

An arsenide hydride or hydride arsenide is a chemical compound containing hydride (H−) and arsenide (As3−) ions in a single phase. They are in the class of mixed anion compounds.

Preparation

Arsenide hydride compounds may be produced by heating metal hydride and metal arsenide mixtures under pressure.[1]

Properties

Arsenide hydrides are under investigation as unconventional superconductors.[2]

The hydride ions can be replaced by fluoride or oxide ions to yield variations in composition.[3]

Reactions

when heated to 800° CaFeAsH forms three phases.[4]

2CaFeAsH → Ca + CaFe2As2 + H2

name formula form space group unit cell volume density appearance properties reference
LiCa3As2H orthorhombic Pnma a = 11.4064(7) Å, b = 4.2702(3) Å, c = 11.8762 Z=4 red band gap 1.4 eV [5]
Ca14As6C0.5,NH5 tetragonal P4/mbm a = 15.749, c = 9.1062, Z = 4 red band gap 1.6 eV [5]
CaFeAsH tetragonal P4/nmm a = 0.3878 c = 0.8260 superconductor [6]
CaFeAsF1-xHx non superconductor [4]
CaFe1−xCoxAsH tetragonal P4/nmm a increases and c decreases with x superconducting 23 K at x= 0.09 [7]
K2Cr3As3H [8]
K1−δCr3As3Hx x<0.45 Superconductor Tc=5.8 K [9][8]
Lithium tristrontium diarsenide hydride Sr3LiAs2H orthorhombic Pnma a = 12.034, b = 4.4698, c = 12.5907; V = 677.2 Å3 Zintl phase; semiconductor; diamagnetic [10]
LaFeAsO1−xHx (x<0.53) superconductor Tc=36 K with x=0.3 [11]
La2Ti2As2H2.3 tetragonal I4/mmm a=3.9595 c=18.0986 283.742 [12]
La2V2As2Hx tetragonal I4/mmm a=3.9561 c=17.909 280.030 [12]
La2Cr2As2Hx tetragonal I4/mmm a=3.9934 c=17.380 277.17 [12]
La2Mn2As2Hx tetragonal I4/mmm a=4.0556 c=17.46 287.2 [12]
LaMnAsO1−xHx (x=0−0.73) ferromagnetic [3]
CoLaAsH0.78x orthorhombic I41md a=4.1739 c=14.64 254.8 black [13]
NiLaAsH0.69 orthorhombic I41md a=4.1660 c=14.5993 253.37 black [13]
CuLaAsH0.78 orthorhombic I41md a=4.2302 c=14.5780 260.86 7.08 black [13]
LaZn0.5AsHx hexagonal P6/mmm a=4.200 c=4.244 64.81 black [13]
CeFeAsO1−xHx (x<0.5) tetragonal P4/nmm a=3.95386 c=8.5926 at x=0.4 superconducting 0.1 < x < 0.4; Tc=47 K with x=0.25 [11][1]
NdFeAs(O,H) superconductor Tc=40K [14]
SmFeAsO1−xHx (x<0.5) superconductor Tc=55 K at x = 0.2. [4]
Sm2Mn2As2Hx tetragonal I4/mmm a=3.9251 c=16.67 256.7 [12]
GdFeAsO1−xHx [11]

References

  1. ^ a b Matsuishi, Satoru; Hanna, Taku; Muraba, Yoshinori; Kim, Sung Wng; Kim, Jung Eun; Takata, Masaki; Shamoto, Shin-ich; Smith, Ronald I.; Hosono, Hideo (2012-01-19). "Structural analysis and superconductivity of CeFeAsO 1 − x H x". Physical Review B. 85 (1): 014514. Bibcode:2012PhRvB..85a4514M. doi:10.1103/PhysRevB.85.014514. ISSN 1098-0121.
  2. ^ Iimura, Soshi; Hosono, Hideo (2020-05-15). "Heavily Hydride-ion-doped 1111-type Iron-based Superconductors: Synthesis, Physical Properties and Electronic Structure". Journal of the Physical Society of Japan. 89 (5): 051006. arXiv:2002.11218. Bibcode:2020JPSJ...89e1006I. doi:10.7566/JPSJ.89.051006. ISSN 0031-9015. S2CID 211506133.
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  8. ^ a b Li, Bai-Zhuo; Wu, Si-Qi; Xiang, Jin-Jin; Zhu, Qin-Qing; Liu, Yi; Cao, Chao; Cao, Guang-Han (March 2023). "Antiferromagnetic insulating state in quasi-one-dimensional K2Cr3As3H". Science China Physics, Mechanics & Astronomy. 66 (3): 237411. Bibcode:2023SCPMA..6637411L. doi:10.1007/s11433-022-1998-0. ISSN 1674-7348. S2CID 256701911.
  9. ^ Xiang, Jin-Jin; Shao, Ye-Ting; Cui, Yan-Wei; Nie, Lin-Peng; Wu, Si-Qi; Li, Bai-Zhuo; Ren, Zhi; Wu, Tao; Cao, Guang-Han (2020-12-15). "Superconductivity and phase separation in electrochemically hydrogenized K 1 − δ Cr 3 As 3 H x". Physical Review Materials. 4 (12): 124802. doi:10.1103/PhysRevMaterials.4.124802. ISSN 2475-9953. S2CID 230601931.
  10. ^ Feng, Xian-Juan; Prots, Yurii; Bobnar, Matej; Schmidt, Marcus Peter; Schnelle, Walter; Zhao, Jing-Tai; Grin, Yuri (5 October 2015). "Zintl-Phase Sr3LiAs2H: Crystal Structure and Chemical Bonding Analysis by the Electron Localizability Approach". Chemistry - A European Journal. 21 (41): 14471–14477. doi:10.1002/chem.201501236. PMID 26291332.
  11. ^ a b c Iimura, Soshi; Matsuishi, Satoru; Sato, Hikaru; Hanna, Taku; Muraba, Yoshinori; Kim, Sung Wng; Kim, Jung Eun; Takata, Masaki; Hosono, Hideo (2012-07-10). "Two-dome structure in electron-doped iron arsenide superconductors". Nature Communications. 3 (1): 943. arXiv:1207.0583. Bibcode:2012NatCo...3..943I. doi:10.1038/ncomms1913. ISSN 2041-1723. PMID 22781756. S2CID 256620404.
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  13. ^ a b c d Mizoguchi, Hiroshi; Park, SangWon; Hiraka, Haruhiro; Ikeda, Kazutaka; Otomo, Toshiya; Hosono, Hideo (2014-12-17). "New LaMAsH x (M = Co, Ni, or Cu) Arsenides with Covalent M–H Chains". Journal of the American Chemical Society. 136 (50): 17390–17393. Bibcode:2014JAChS.13617390M. doi:10.1021/ja509965z. ISSN 0002-7863. PMID 25438068.
  14. ^ Chen, M. Y.; Iida, K.; Kondo, K.; Hänisch, J.; Hatano, T.; Ikuta, H. (2022-05-02). "Inter- to intra-layer resistivity anisotropy of NdFeAs(O,H) with various hydrogen concentrations". Physical Review Materials. 6 (5): 054802. arXiv:2204.01554. Bibcode:2022PhRvM...6e4802C. doi:10.1103/PhysRevMaterials.6.054802. ISSN 2475-9953. S2CID 247940200.

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