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- Iron(II) selenide refers to a number of inorganic compounds of ferrous iron and selenide (Se2−). The phase diagram of the system Fe–Se reveals the existence of several non-stoichiometric phases between ~49 at. % Se and ~53 at. % Fe, and temperatures up to ~450 °C. The low temperature stable phases are the tetragonal PbO-structure (P4/nmm) β-Fe1−xSe and α-Fe7Se8. The high temperature phase is the hexagonal, NiAs structure (P63/mmc) δ-Fe1−xSe. Iron(II) selenide occurs naturally as the NiAs-structure mineral achavalite. More selenium rich iron selenide phases are the γ phases (γ and γˈ), assigned the Fe3Se4 stoichiometry, and FeSe2, which occurs as the marcasite-structure natural mineral ferroselite, or the rare pyrite-structure mineral dzharkenite. It is used in electrical semiconductors. (en)
- Селенид железа(II) — бинарное неорганическое соединение,железа и селена с формулой FeSe,чёрные кристаллы,не растворяется в воде. (ru)
- 硒化亚铁是一种无机化合物，化学式为FeSe。它可由铁和硒的化合反应制备。 (zh)
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- Селенид железа(II) — бинарное неорганическое соединение,железа и селена с формулой FeSe,чёрные кристаллы,не растворяется в воде. (ru)
- 硒化亚铁是一种无机化合物，化学式为FeSe。它可由铁和硒的化合反应制备。 (zh)
- Iron(II) selenide refers to a number of inorganic compounds of ferrous iron and selenide (Se2−). The phase diagram of the system Fe–Se reveals the existence of several non-stoichiometric phases between ~49 at. % Se and ~53 at. % Fe, and temperatures up to ~450 °C. The low temperature stable phases are the tetragonal PbO-structure (P4/nmm) β-Fe1−xSe and α-Fe7Se8. The high temperature phase is the hexagonal, NiAs structure (P63/mmc) δ-Fe1−xSe. Iron(II) selenide occurs naturally as the NiAs-structure mineral achavalite. It is used in electrical semiconductors. (en)
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- Iron(II) selenide (en)
- Селенид железа(II) (ru)
- 硒化亚铁 (zh)
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