Samarium hexaboride

Samarium hexaboride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.384
EC Number
  • 234-536-3
  • InChI=1S/6B.Sm
    Key: IYKQPDWKORWUNW-UHFFFAOYSA-N
  • [B].[B].[B].[B].[B].[B].[Sm]
Properties
B6Sm
Molar mass 215.22 g·mol−1
Melting point 2400 °C ±100
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Samarium hexaboride (SmB6) is an intermediate-valence compound where samarium is present both as Sm2+ and Sm3+ ions at the ratio 3:7. It is a Kondo insulator having a metallic surface state.

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