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Samarium carbides are prepared by melting a graphite-metal mixture in an inert atmosphere. After the synthesis, they are unstable in air and need to be studied under an inert atmosphere. [36] Samarium monophosphide SmP is a semiconductor with a bandgap of 1.10 eV, the same as in silicon, and electrical conductivity of n-type. It can be prepared ...
Samarium carbides are prepared by melting a graphite-metal mixture in an inert atmosphere. After the synthesis, they are unstable in air and are studied also under inert atmosphere. [13] Samarium monophosphide SmP is a semiconductor with the bandgap of 1.10 eV, the same as in silicon, and high electrical conductivity of n-type. It can be ...
Samarium(III) oxalate is an inorganic compound, a salt of samarium and oxalic acid with the formula Sm 2 (C 2 O 4) 3. [1] The compound does not dissolve in water, forms a crystalline hydrate with yellow crystals.
Samarium(III) hydroxide is an ... Chemical properties. Samarium(III) hydroxide can react with acid and produce samarium salts： Sm(OH) 3 + 3 H + → Sm 3+ + 3 H 2 O.
Samarium(III) chloride, also known as samarium trichloride, is an inorganic compound of samarium and chloride. It is a pale yellow salt that rapidly absorbs water to form a hexa hydrate , SmCl 3 . 6H 2 O. [ 1 ] The compound has few practical applications but is used in laboratories for research on new compounds of samarium.
Samarium(III) iodide is a yellow powder that is unstable in air and decomposes in water . [1] When heated with metallic samarium, it forms samarium diiodide: [4] + Reduction by hydrogen also affords samarium diiodide:
Properties Chemical formula. N Sm: ... Samarium(III) nitride is a binary inorganic compound of samarium and nitrogen with the chemical formula SmN. [1]
Samarium(III) phosphide forms crystals of a cubic system, space group Fm3m, cell size a = 0.5760 nm, Z = 4, with a structure similar to sodium chloride NaCl. [ 4 ] The compound exists in the temperature range of 1315–2020 °C and has a homogeneity region described by the SmP 1÷0.982 .