Lanthanum manganese (III) oxide
Crystal structure | ||||||||||
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__ La 3+ __ Mn 3+ __ O 2− | ||||||||||
General | ||||||||||
Surname | Lanthanum manganese (III) oxide | |||||||||
other names |
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Ratio formula | LaMnO 3 | |||||||||
Brief description |
gray odorless solid |
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External identifiers / databases | ||||||||||
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properties | ||||||||||
Molar mass | 241.8 g mol −1 | |||||||||
Physical state |
firmly |
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solubility |
practically insoluble in water |
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safety instructions | ||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Lanthanum manganese (III) oxide is an inorganic chemical compound belonging to the manganite group .
Extraction and presentation
Lanthanum manganese (III) oxide can be obtained by reacting manganese carbonate dihydrate or manganese (III) oxide with lanthanum oxide in the air.
properties
Lanthanum manganese (III) oxide is a gray, odorless solid that is practically insoluble in water. It has an orthorhombic crystal structure of the distorted perovskite type with the space group Pnma (space group no. 62) . There are also non-stoichiometric forms (LaMn 1-x O 3 + x / 2 (x <0.46) with the same structure. There is also a phase with the space group R 3 c (space group no. 167) . Lanthanum manganese (III ) oxide is an antiferromagnetic insulator and the superordinate compound of colossal magnetoresistive materials .
use
Lanthanum manganese (III) oxide is used as a sputtering material.
Individual evidence
- ↑ a b c d e f g LTS Research Laboratories: Safety Data Sheet - Lanthanum Manganese Oxide , accessed on December 27, 2019.
- ↑ Maria Baldini, Takaki Muramatsu, Mohammad Sherafati, Ho-kwang Mao, Lorenzo Malavasi, Paolo Postorino, Sashi Satpathy, Viktor V. Struzhkin: Origin of colossal magnetoresistance in LaMnO manganite. In: Proceedings of the National Academy of Sciences. 112, 2015, p. 10869, doi : 10.1073 / pnas.1424866112 .
- ↑ a b Jane E. Macintyre: Dictionary of Inorganic Compounds . CRC Press, 1992, ISBN 978-0-412-30120-9 , pp. 3546 ( limited preview in Google Book Search).
- ↑ MN Iliev, MV Abrashev, H.-G. Lee, VN Popov, YY Sun, C. Thomsen, RL Meng, CW Chu: Raman spectroscopy of orthorhombic Perovskitelike YMnO 3 and LaMnO 3 . In: Physical Review B. 57, 1998, p. 2872, doi : 10.1103 / PhysRevB.57.2872 .
- ↑ P. Norby, IGKrogh Andersen, E. Krogh Andersen, NH Andersen: The crystal structure of lanthanum manganate (iii), LaMnO3, at room temperature and at 1273 K under N2. In: Journal of Solid State Chemistry. 119, 1995, p. 191, doi : 10.1016 / 0022-4596 (95) 80028-N .
- ^ I. Chatterjee: Magnetic properties of LaMnO3. In: physica status solidi. 196, p. 267, doi : 10.1002 / pssa.200306403 .
- ↑ sputtertargets.net: Lanthanum Manganate (LaMnO3) Sputtering Target | Alloy Sputter Targets ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. , accessed on May 31, 2017