From itinerant antiferromagnetism towards localized ferromagnetism in UNi(Al,Ga)

H. Maletta; V. Sechovsky; P.A. Veenhuizen; F.R. Boer, de; L. Havela; G. Hilscher

doi:10.1007/BF01314526

From itinerant antiferromagnetism towards localized ferromagnetism in UNi(Al,Ga)

H. Maletta, V. Sechovsky, P.A. Veenhuizen, F.R. Boer, de, L. Havela, G. Hilscher

Control Systems Technology

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Abstract

UNiAl is an itinerant antiferromagnet with a transition temperature of 18 K and a huge low-temperature Sommerfeld coefficient of 167 mJ/K2 mole U atoms. A systematic study of the pseudoternary series UNiAl1-xGa x by means of magnetic and specific-heat measurements is presented. The data are interpreted as evidence for a transition from antiferromagnetism to ferromagnetism for x>0.4 with more localized features in the Ga-rich compounds. For x=0.4 competition of ferromagnetic and antiferromagnetic interactions causes a complicated behaviour characterized by two types of magnetic transitions. Huge magnetocrystalline anisotropy is responsible for the rather anomalous behaviour of the ferromagnetic compositions.

Original language	English
Pages (from-to)	455-460
Number of pages	6
Journal	Zeitschrift für Physik B : Condensed Matter
Volume	72
Issue number	4
DOIs	https://doi.org/10.1007/BF01314526
Publication status	Published - 1988

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Maletta, H., Sechovsky, V., Veenhuizen, P. A., Boer, de, F. R., Havela, L., & Hilscher, G. (1988). From itinerant antiferromagnetism towards localized ferromagnetism in UNi(Al,Ga). Zeitschrift für Physik B : Condensed Matter, 72(4), 455-460. https://doi.org/10.1007/BF01314526

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abstract = "UNiAl is an itinerant antiferromagnet with a transition temperature of 18 K and a huge low-temperature Sommerfeld coefficient of 167 mJ/K2 mole U atoms. A systematic study of the pseudoternary series UNiAl1-xGa x by means of magnetic and specific-heat measurements is presented. The data are interpreted as evidence for a transition from antiferromagnetism to ferromagnetism for x>0.4 with more localized features in the Ga-rich compounds. For x=0.4 competition of ferromagnetic and antiferromagnetic interactions causes a complicated behaviour characterized by two types of magnetic transitions. Huge magnetocrystalline anisotropy is responsible for the rather anomalous behaviour of the ferromagnetic compositions.",

author = "H. Maletta and V. Sechovsky and P.A. Veenhuizen and {Boer, de}, F.R. and L. Havela and G. Hilscher",

year = "1988",

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T1 - From itinerant antiferromagnetism towards localized ferromagnetism in UNi(Al,Ga)

AU - Maletta, H.

AU - Sechovsky, V.

AU - Veenhuizen, P.A.

AU - Boer, de, F.R.

AU - Havela, L.

AU - Hilscher, G.

PY - 1988

Y1 - 1988

N2 - UNiAl is an itinerant antiferromagnet with a transition temperature of 18 K and a huge low-temperature Sommerfeld coefficient of 167 mJ/K2 mole U atoms. A systematic study of the pseudoternary series UNiAl1-xGa x by means of magnetic and specific-heat measurements is presented. The data are interpreted as evidence for a transition from antiferromagnetism to ferromagnetism for x>0.4 with more localized features in the Ga-rich compounds. For x=0.4 competition of ferromagnetic and antiferromagnetic interactions causes a complicated behaviour characterized by two types of magnetic transitions. Huge magnetocrystalline anisotropy is responsible for the rather anomalous behaviour of the ferromagnetic compositions.

AB - UNiAl is an itinerant antiferromagnet with a transition temperature of 18 K and a huge low-temperature Sommerfeld coefficient of 167 mJ/K2 mole U atoms. A systematic study of the pseudoternary series UNiAl1-xGa x by means of magnetic and specific-heat measurements is presented. The data are interpreted as evidence for a transition from antiferromagnetism to ferromagnetism for x>0.4 with more localized features in the Ga-rich compounds. For x=0.4 competition of ferromagnetic and antiferromagnetic interactions causes a complicated behaviour characterized by two types of magnetic transitions. Huge magnetocrystalline anisotropy is responsible for the rather anomalous behaviour of the ferromagnetic compositions.

U2 - 10.1007/BF01314526

DO - 10.1007/BF01314526

M3 - Article

VL - 72

SP - 455

EP - 460

JO - Zeitschrift für Physik B : Condensed Matter

JF - Zeitschrift für Physik B : Condensed Matter

SN - 0722-3277

IS - 4

ER -