Bismuth selenide

• Bismuth ( III) selenide
• Dibismuttriselenid

Black solid

Fixed

7.51 g · cm -3

710 ° C.

Insoluble in water

Risk

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Bismuth is an inorganic chemical compound of bismuth from the group of selenides.

Occurrence

Bismuth occurs naturally as the mineral Paraguanajuatit. In addition Guanajuatit contains bismuth and additionally 6.6% sulfur.

Production and representation

Bismuth selenide may be obtained by reaction of bismuth to selenium.

Properties

Bismuth is a black shiny metallic solid. It is a semiconductor with a trigonal crystal structure and the space group R3m.

Use

Bismuth is used in the semiconductor industry for the production of thin films, and magnetoresistive layers.