The remarkable crystal chemistry of the Ca14AlSb11 structure type, magnetic and thermoelectric properties

Yb14MnSb11 is a member of a remarkable structural family of compounds that are classified according to the concept of Zintl. This structure type, of which the prototype is Ca14AlSb11, provides a flexible framework for tuning structure-property relationships and hence the physical and chemical proper...

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Published inJournal of solid state chemistry Vol. 271; pp. 88 - 102
Main Authors Hu, Yufei, Cerretti, Giacomo, Kunz Wille, Elizabeth L., Bux, Sabah K., Kauzlarich, Susan M.
Format Journal Article
LanguageEnglish
Published Elsevier Inc 01.03.2019
Subjects
Colossal magnetoresistance
Magnetics
Thermoelectrics
Zintl
Thermoelectrics
Zintl
Colossal magnetoresistance
Magnetics
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Summary:Yb14MnSb11 is a member of a remarkable structural family of compounds that are classified according to the concept of Zintl. This structure type, of which the prototype is Ca14AlSb11, provides a flexible framework for tuning structure-property relationships and hence the physical and chemical properties of compounds. Compounds within this family show exceptional high temperature thermoelectric performance at temperatures above 300 K and unique magnetic and transport behavior at temperatures below 300 K. This review provides an overview of the structure variants, the magnetic properties, and the thermoelectric properties. Suggestions for directions of future research are provided. The highly flexible Ca14AlSb11 structure type can be substituted, adding and subtracting electrons from the structure in order to tune magnetic, electronic, and transport properties. [Display omitted]
ISSN:0022-4596
1095-726X
DOI:10.1016/j.jssc.2018.12.037