Elastic Properties of the Zintl Ferromagnet Yb14MnSb11

We report measurements of the elastic moduli as a function of temperature (5-300) K and magnetic field (0-2 T) for the Zintl ferromagnet Yb{sub 14}MnSb{sub 11}, which is believed to be a rare example of an underscreened Kondo lattice. The elastic moduli measured below the Curie temperature in this c...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-07, Vol.86 (2)
Hauptverfasser:	Bhattacharya, Sriparna, Marinescu, D. C., Morris, James R, Sergienko, Ivan A, Sales, Brian C, Mandrus, D., Keppens, V.
Format:	Artikel
Sprache:	eng
Schlagworte:	CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CURIE POINT ELASTICITY FERROMAGNETISM MAGNETIC FIELDS
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Zusammenfassung:	We report measurements of the elastic moduli as a function of temperature (5-300) K and magnetic field (0-2 T) for the Zintl ferromagnet Yb{sub 14}MnSb{sub 11}, which is believed to be a rare example of an underscreened Kondo lattice. The elastic moduli measured below the Curie temperature in this complex ferromagnet exhibit unusual lattice stiffening that is independent of the magnetic field and can be adequately modeled using the Landau theory.
ISSN:	1098-0121 1550-235X
DOI:	10.1103/PhysRevB.86.024402