Terbium(III) oxide
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| Names | |
|---|---|
| Other names
terbium trioxide, terbia
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| Identifiers | |
| ECHA InfoCard | 100.031.668 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| O3Tb2 | |
| Molar mass | 365.848 g·mol−1 |
| Appearance | white crystals |
| Melting point | 2,410 °C (4,370 °F; 2,680 K) |
| Structure | |
| Cubic, cI80 | |
| Ia-3, No. 206[1] | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Terbium(III) oxide, also known as terbium sesquioxide, is a sesquioxide of the rare earth metal terbium, having chemical formula Tb
2O
3. It is a p-type semiconductor,[2] and may be prepared by the reduction of Tb
4O
7 in hydrogen at 1300°C for 24 hours.[3]
References
- ^ Curzon A.E., Chlebek H.G. (1973). "The observation of face centred cubic Gd, Tb, Dy, Ho, Er and Tm in the form of thin films and their oxidation". J. Phys. F. 3: 1-5. doi:10.1088/0305-4608/3/1/009.
- ^ Reidar Haugsrud, Yngve Larring, and Truls Norby (2005). "Proton conductivity of Ca-doped Tb
2O
3". Solid State Ionics. 176 (39–40). Elsevier B.V.: 2957–2961. doi:10.1016/j.ssi.2005.09.030.{{cite journal}}: Unknown parameter|month=ignored (help)CS1 maint: multiple names: authors list (link) - ^ G. J. McCarthy (1971). "Crystal data on C-type terbium sesquioxide (Tb
2O
3)". Journal of Applied Crystallography. 4 (5): 399–400. doi:10.1107/S0021889871007295.{{cite journal}}: Unknown parameter|month=ignored (help)
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