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Oxyarsenides

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Oxyarsenides or arsenide oxides are chemical compounds formally containing the group AsO, with one arsenic and one oxygen atom. The arsenic and oxygen are not bound together as in arsenates or arsenites, instead they make a separate presence bound to the cations (metals), and could be considered as a mixed arsenide-oxide compound. So a compound with OmAsn requires cations to balance a negative charge of 2m+3n. The cations will have charges of +2 or +3. The trications are often rare earth elements or actinides. They are in the category of oxypnictide compounds.

Some of these compounds are superconductors, but may require doping with fluoride or oxygen deficiency.[1] Yet others undergo colossal magnetoresistance with a lowered electrical resistance in a magnetic field.

Many compounds are layered, containing two metals with the formula XZAsO, with an XAs layer alternating with a ZO layer.

Examples

[edit]
formula name mw structure space group cell appearance properties supercondicting Tc reference
Sr2Cr3As2O3 tetragonal P4/mmm a=4.04032 c=9.33140 V=152.327 [2]
Sr2Cr2AsO3 tetragonal P4/nmm a=3.90988 c=16.05417 C=245.422 [2]
Sr2Mn3As2O2 a=4.1459 c=18.856
 [3]
Sr2Cr1.85Mn1.15As2O2 tetragonal I4/mmm a = 4.043788 c 18.9977 Z=2 V=310.654 [4]
Sr2CrO3FeAs tetragonal [5]
Sr2CrO3CrAs P4/nmm a=3.90988 c=16.05417 V=245.422 [6]
Sr2CrO2Cr2OAs2 P4/mmm a=4.04032 c=9.33140 V=152.327 [6]
Sr2MnZn2As2O2 a=4.12624 c=18.6709
 [3]
YFeAsO yttrium iron oxyarsenide tetragonal ferromagnetic 62K [7]
Ba2Ti2OAs2Cr2As2 tetragonal I4/nmm a=4.0391 c=27.8474 [8]
Ba2Ti2Fe2As4O tetragonal I4/nmm superconductor [8]
BaTi2As2O tetragonal I4/nmm a = 4.047 c = 7.275 density wave at 200K [9][10]
Ba2MnZn2As2O2 tetragonal P4/nmm a=4.23369 c=19.5087 [3]
LaMnAsO [11]
LaCoAsO [11]
LaFeAsO1−xFx fluorine doped Lanthanum iron oxyarsenide tetragonal 26K [7]
LaNiOAs Lanthanum Nickel oxyarsenide tetragonal P4/nmm metallic 2.4 [12]
PrFeAsO Praseodymium iron oxyarsenide [1]
NdMnAsO [13][14]
NdMnAsO0.95F0.05 a=4.04870 c=8.89654 [15]
NdFeAsO Neodymium iron oxyarsenide [1]
Nd0.9Sr0.1MsAsO [13]
SmFeAsO0.9F0.1 Samarium iron oxyarsenide tetragonal 55K [7]
TbFeAsO Terbium iron oxyarsenide tetragonal superconducting [7]
TbFeAsO0.85 tetragonal a = 3.889 Å b = 8.376 42 [1]
TbRuAsO terbium ruthenium arsenide oxide 350.95 tetragonal P4/nmm a= 4.0254 c=8.0710 V=130.782 Z=2 grey [16]
DyRuAsO dysprosium ruthenium arsenide oxide 354.49 tetragonal P4/nmm a=4.01728 c=8.03272 V=129.637 Z=2 grey [16]
DyRuAsO dysprosium ruthenium arsenide oxide 354.49 orthorhombic a=4.02033 b=4.00791 c=8.0048 V=128.983 Z=2 at 12K [16]
Gd0.8Th0.2FeAsO thorium doped gadolinium iron oxyarsenide tetragonal 55K [7]
U2Cu2As3O diuranium dicopper oxytriarsenide P4/nmm a = 3.9111 Å c = 17.916 Z=2 [17]
[edit]

Related compounds include the oxynitrides, oxyphosphides, oxyantimonides and oxybismuthides.

References

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  1. ^ a b c d Shi, Y. G.; Yu, S.; Belik, A. A.; Matsushita, Y.; Tanaka, M.; Katsuya, Y.; Kobayashi, K.; Yamaura, K.; Takayama-Muromachi, E. (2008-08-14). "Synthesis and superconducting properties of the iron oxyarsenide TbFeAsO0.85". arXiv:0808.1948 [cond-mat.supr-con].
  2. ^ a b Sheath, Bradley C.; Xu, Xiaoyu; Manuel, Pascal; Hadermann, Joke; Batuk, Maria; O’Sullivan, John; Bonilla, Ruy S.; Clarke, Simon J. (2022-08-08). "Structures and Magnetic Ordering in Layered Cr Oxide Arsenides Sr 2 CrO 2 Cr 2 OAs 2 and Sr 2 CrO 3 CrAs". Inorganic Chemistry. 61 (31): 12373–12385. doi:10.1021/acs.inorgchem.2c01773. ISSN 0020-1669. PMC 9364410. PMID 35895504.
  3. ^ a b c Ozawa, Tadashi C.; Kauzlarich, Susan M.; Bieringer, Mario; Wiebe, Chris R.; Greedan, John E.; Gardner, Jason S. (March 2001). "The Effect of Interlayer Cations on the Magnetic Properties of the Mixed-Metal Pnictide Oxides: A 2 MnZn 2 As 2 O 2 (A = Sr, Ba)". Chemistry of Materials. 13 (3): 973–980. doi:10.1021/cm000743j. ISSN 0897-4756.
  4. ^ Arah, Bor; Ritter, Clemens; Stenning, Gavin B. G.; Mclaughlin, Abbie C. (2022-08-04). "Magnetic Phase Separation in the Oxypnictide Sr 2 Cr 1.85 Mn 1.15 As 2 O 2". Inorganic Chemistry. 61 (32): 12518–12525. doi:10.1021/acs.inorgchem.2c00885. hdl:2164/19321. ISSN 0020-1669. PMC 9387525. PMID 35926167.
  5. ^ Tegel, M.; Hummel, F.; Su, Y.; Chatterji, T.; Brunelli, M.; Johrendt, D. (2010-02-01). "Non-stoichometry and the magnetic structure of Sr 2 CrO 3 FeAs". EPL (Europhysics Letters). 89 (3): 37006. arXiv:0911.0450. doi:10.1209/0295-5075/89/37006. ISSN 0295-5075. S2CID 119218614.
  6. ^ a b Sheath, Bradley C.; Xu, Xiaoyu; Manuel, Pascal; Hadermann, Joke; Batuk, Maria; O’Sullivan, John; Bonilla, Ruy S.; Clarke, Simon J. (2022-08-08). "Structures and Magnetic Ordering in Layered Cr Oxide Arsenides Sr 2 CrO 2 Cr 2 OAs 2 and Sr 2 CrO 3 CrAs". Inorganic Chemistry. 61 (31): 12373–12385. doi:10.1021/acs.inorgchem.2c01773. ISSN 0020-1669. PMC 9364410. PMID 35895504.
  7. ^ a b c d e Chong, S. V.; Mochiji, T.; Kadowaki, K. (1 March 2009). "Superconductivity in Yttrium Iron Oxyarsenide System". Journal of Physics: Conference Series. 150 (5): 052036. arXiv:0808.0288. Bibcode:2009JPhCS.150e2036C. doi:10.1088/1742-6596/150/5/052036. ISSN 1742-6588. S2CID 119236068.
  8. ^ a b Ablimit, Abduweli; Sun, Yun-Lei; Jiang, Hao; Bao, Jin-Ke; Zhai, Hui-Fei; Tang, Zhang-Tu; Liu, Yi; Wang, Zhi-Cheng; Feng, Chun-Mu; Cao, Guang-Han (February 2017). "Synthesis, crystal structure and physical properties of a new oxypnictide Ba2Ti2Cr2As4O containing [Ti2As2O]2− and [Cr2As2]2− layers". Journal of Alloys and Compounds. 694: 1149–1153. doi:10.1016/j.jallcom.2016.10.152.
  9. ^ Hosono, Hideo; Tanabe, Keiichi; Takayama-Muromachi, Eiji; Kageyama, Hiroshi; Yamanaka, Shoji; Kumakura, Hiroaki; Nohara, Minoru; Hiramatsu, Hidenori; Fujitsu, Satoru (2015-05-08). "Exploration of new superconductors and functional materials, and fabrication of superconducting tapes and wires of iron pnictides". Science and Technology of Advanced Materials. 16 (3): 033503. arXiv:1505.02240. Bibcode:2015STAdM..16c3503H. doi:10.1088/1468-6996/16/3/033503. ISSN 1468-6996. PMC 5099821. PMID 27877784.
  10. ^ Wang, X F; Yan, Y J; Ying, J J; Li, Q J; Zhang, M; Xu, N; Chen, X H (2010-02-24). "Structure and physical properties for a new layered pnictide-oxide: BaTi 2 As 2 O". Journal of Physics: Condensed Matter. 22 (7): 075702. doi:10.1088/0953-8984/22/7/075702. ISSN 0953-8984. PMID 21386395. S2CID 11013090.
  11. ^ a b Otsuka, Shintaro; Onizawa, Manami; Kato, Koma; Hiramoto, Shozo; Yoshida, Fumiko; Moriyoshi, Chikako; Watanabe, Tadataka; Takano, Yoshiki; Kuroiwa, Yoshihiro; Takase, Kouichi (April 2011). "Thermal Expansion of Oxyarsenides (LaO)TAs; T = Transition Metal". Solid State Phenomena. 170: 131–134. doi:10.4028/www.scientific.net/SSP.170.131. ISSN 1662-9779. S2CID 98750630.
  12. ^ Watanabe, Takumi; Yanagi, Hiroshi; Kamihara, Yoichi; Kamiya, Toshio; Hirano, Masahiro; Hosono, Hideo (August 2008). "Nickel-based layered superconductor, LaNiOAs". Journal of Solid State Chemistry. 181 (8): 2117–2120. arXiv:0805.4340. Bibcode:2008JSSCh.181.2117W. doi:10.1016/j.jssc.2008.04.033. S2CID 97227280.
  13. ^ a b Wildman, E. J.; Emery, N.; Mclaughlin, A. C. (2014-12-08). "Electronic and magnetic properties of Nd 1 − x Sr x MnAsO oxyarsenides". Physical Review B. 90 (22): 224413. arXiv:1501.02996. Bibcode:2014PhRvB..90v4413W. doi:10.1103/PhysRevB.90.224413. ISSN 1098-0121. S2CID 119285076.
  14. ^ Marcinkova, A.; Hansen, T. C.; Curfs, C.; Margadonna, S.; Bos, J. -W. G. (2010-11-29). "Nd-induced Mn spin-reorientation transition in NdMnAsO". Physical Review B. 82 (17): 174438. arXiv:1010.6145. Bibcode:2010PhRvB..82q4438M. doi:10.1103/PhysRevB.82.174438. ISSN 1098-0121. S2CID 118437912.
  15. ^ Wildman, Eve J.; Skakle, Janet M. S.; Emery, Nicolas; Mclaughlin, Abbie C. (2012-05-30). "Colossal Magnetoresistance in Mn 2+ Oxypnictides NdMnAsO 1– x F x". Journal of the American Chemical Society. 134 (21): 8766–8769. arXiv:1207.0958. doi:10.1021/ja302328t. ISSN 0002-7863. PMID 22571289. S2CID 207081843.
  16. ^ a b c McGuire, Michael A.; May, Andrew F.; Sales, Brian C. (2012-08-06). "Crystallographic and Magnetic Phase Transitions in the Layered Ruthenium Oxyarsenides TbRuAsO and DyRuAsO". Inorganic Chemistry. 51 (15): 8502–8508. doi:10.1021/ic3010695. ISSN 0020-1669. PMID 22835000.
  17. ^ Kaczorowski, D.; Potel, M.; Noël, H. (October 1994). "Crystal Structure of the First Uranium Oxyarsenide U2Cu2As3O". Journal of Solid State Chemistry. 112 (2): 228–231. Bibcode:1994JSSCh.112..228K. doi:10.1006/jssc.1994.1296.
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