Terbium phosphide

Terbium phosphide
Names
	Other names Terbium monophosphide, phosphanylidyneterbium
Identifiers
CAS Number	12037-64-8;
3D model (JSmol)	Interactive image;
EC Number	234-861-0;
PubChem CID	82855;
	InChI InChI=1S/P.Tb Key: YSYUNNARJACYRQ-UHFFFAOYSA-N;
	SMILES P#[Tb];
Properties
Chemical formula	PTb
Molar mass	189.899
Appearance	Black crystals
Density	6.82 g/cm3
Structure
Crystal structure	Cubic
Related compounds
Other anions	Terbium nitride; Terbium arsenide; Terbium antimonide; Terbium bismuthide
Other cations	Gadolinium phosphide; Dysprosium phosphide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Terbium phosphide is an inorganic compound of terbium and phosphorus with the chemical formula TbP.^[1]^[2]

Synthesis

TbP can be obtained by the reaction of terbium and red phosphorus at 800–1000 °C:

4 Tb + P₄ → 4 TbP

The compound can also be obtained by the reaction of sodium phosphide and anhydrous terbium chloride at 700~800 °C.^[3]

Physical properties

TbP undergoes a phase transition at 40 GPa from a NaCl-structure to a CsCl-structure.^[4] The compound can be sintered with zinc sulfide to make a green phosphor layer.^[5]

TbP forms crystals of a cubic system, space group Fm3m.^[6]

Uses

The compound is a semiconductor used in high power, high frequency applications and in laser diodes and other photo diodes.^[1]

References

^ ^a ^b "Terbium Phosphide". American Elements. Retrieved 9 January 2022.
^ Knorr, K.; Loidl, A.; Kjems, J. K.; Lüthi, B. (2 December 1979). "Magnetic excitations in TbP". Journal of Magnetism and Magnetic Materials. 14 (2): 270–272. Bibcode:1979JMMM...14..270K. doi:10.1016/0304-8853(79)90136-7. ISSN 0304-8853. Retrieved 9 January 2022.
^ Rowley, Adrian T.; Parkin, Ivan P. (1 January 1993). "Convenient synthesis of lanthanide and mixed lanthanide phosphides by solid-state routes involving sodium phosphide". Journal of Materials Chemistry. 3 (7): 689–692. doi:10.1039/JM9930300689. ISSN 1364-5501. Retrieved 9 January 2022.
^ Adachi, Takafumi; Shirotani, Ichimin; Hayashi, Junichi; Shimomura, Osamu (28 December 1998). "Phase transitions of lanthanide monophosphides with NaCl-type structure at high pressures". Physics Letters A. 250 (4–6): 389–393. Bibcode:1998PhLA..250..389A. doi:10.1016/S0375-9601(98)00840-8. Retrieved 9 January 2022.
^ Raffius, G.; Kötzler, J. (7 February 1983). "Field-dependence of the first-order phase transition in terbium phosphide". Physics Letters A. 93 (8): 423–425. Bibcode:1983PhLA...93..423R. doi:10.1016/0375-9601(83)90477-2. ISSN 0375-9601. Retrieved 9 January 2022.
^ "Terbium Phosphide TbP". materialsproject.org. Retrieved 24 December 2021.

[AA-1] "Terbium Phosphide". American Elements. Retrieved 9 January 2022.

[2] Knorr, K.; Loidl, A.; Kjems, J. K.; Lüthi, B. (2 December 1979). "Magnetic excitations in TbP". Journal of Magnetism and Magnetic Materials. 14 (2): 270–272. Bibcode:1979JMMM...14..270K. doi:10.1016/0304-8853(79)90136-7. ISSN 0304-8853. Retrieved 9 January 2022.

[3] Rowley, Adrian T.; Parkin, Ivan P. (1 January 1993). "Convenient synthesis of lanthanide and mixed lanthanide phosphides by solid-state routes involving sodium phosphide". Journal of Materials Chemistry. 3 (7): 689–692. doi:10.1039/JM9930300689. ISSN 1364-5501. Retrieved 9 January 2022.

[4] Adachi, Takafumi; Shirotani, Ichimin; Hayashi, Junichi; Shimomura, Osamu (28 December 1998). "Phase transitions of lanthanide monophosphides with NaCl-type structure at high pressures". Physics Letters A. 250 (4–6): 389–393. Bibcode:1998PhLA..250..389A. doi:10.1016/S0375-9601(98)00840-8. Retrieved 9 January 2022.

[5] Raffius, G.; Kötzler, J. (7 February 1983). "Field-dependence of the first-order phase transition in terbium phosphide". Physics Letters A. 93 (8): 423–425. Bibcode:1983PhLA...93..423R. doi:10.1016/0375-9601(83)90477-2. ISSN 0375-9601. Retrieved 9 January 2022.

[6] "Terbium Phosphide TbP". materialsproject.org. Retrieved 24 December 2021.

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