ThuliumV1, Main, Exploration, bibRecord, 002C12

Magnetic ordering in ternary RMn2Ge2 compounds (R  Tb, Ho, Er, Tm, Lu) from neutron diffraction study

Identifieur interne : 002C12 ( Main/Exploration ); précédent : 002C11; suivant : 002C13

Magnetic ordering in ternary RMn2Ge2 compounds (R  Tb, Ho, Er, Tm, Lu) from neutron diffraction study

Auteurs : Gérard Venturini (physicien) [France] ; B. Malaman [France] ; E. Ressouche [France]

Source :

Journal of Alloys and Compounds [ 0925-8388 ] ; 1996.

RBID : ISTEX:206338FF47E464BC37573D33390152AF67FEB854

Descripteurs français

Pascal (Inist)
- 7550G, Alliage base erbium, Alliage base holmium, Alliage base lutétium, Alliage base terbium, Alliage base thulium, Alliage ternaire, Composé intermétallique, Diffraction neutron, Etude expérimentale, Ferrimagnétique, Germanium alliage, Lanthanide alliage, Manganèse alliage, Moment magnétique, Propriété magnétique, Structure magnétique.
Wicri :
- topic : Alliage.

English descriptors

Abstract

Abstract: The compounds RMn2Ge2 (R = Tb, Ho, Er, Tm, Lu) have been investigated by neutron diffraction. TbMn2Ge2 is a collinear ferrimagnet with the Mn and Tb moment aligned along the c axis (μTB = 8.81(59) μB: μMn = 2.21(44) μB). HoMn2Ge2 exhibits incommensurale ordering below 2.1 K characterized by two wavevectors at 1.3 K: q1 = (0.1543(4), 0.1543(4), 0) and q2 = (0.210(1), 0.007(1), 0). The Mn sublattice remains antiferromagnetic down to 1.3 K (μMn = 2.38(6) μB). The Er moments order ferromagnetically below 5.5 K in ErMn2Ge2 (μMn = 6.81(31) μB). The moments are perpendicular to the c axis. The Mn sublattice remains antiferromagnetic down to 1.8 K (μMn = 2.34(18) μB). The magnetic structure of TmMn2Ge2 is characterized by the propagation vector (0.0.1/2). the Tm moments lying in the basal plane. The ordering of the Tm moments yields a canting of the Mn moments (τ = 21(3)°); μTm = 6.63(18) μB; μMn = 2.28(27) μB). The antiferromagnetic structure of LuMn2Ge2 has been determined (μMn = 2.32(14) μB). The evolution of the magnetic properties of the heavy rare earth compounds RMn2Ge2 is discussed.

Url:

https://api.istex.fr/document/206338FF47E464BC37573D33390152AF67FEB854/fulltext/pdf

DOI: 10.1016/0925-8388(96)02272-4

Affiliations:

Le document en format XML

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<term>Bragg angles</term>
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<term>Ferromagnetic</term>
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<term>Good accord</term>
<term>Holmium base alloys</term>
<term>Intermetallic compounds</term>
<term>Leciejewicz</term>
<term>Line intensity</term>
<term>Lutetium base alloys</term>
<term>Magn</term>
<term>Magnetic behaviour</term>
<term>Magnetic moments</term>
<term>Magnetic order</term>
<term>Magnetic properties</term>
<term>Magnetic structure</term>
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<front><div type="abstract" xml:lang="en">Abstract: The compounds RMn2Ge2 (R = Tb, Ho, Er, Tm, Lu) have been investigated by neutron diffraction. TbMn2Ge2 is a collinear ferrimagnet with the Mn and Tb moment aligned along the c axis (μTB = 8.81(59) μB: μMn = 2.21(44) μB). HoMn2Ge2 exhibits incommensurale ordering below 2.1 K characterized by two wavevectors at 1.3 K: q1 = (0.1543(4), 0.1543(4), 0) and q2 = (0.210(1), 0.007(1), 0). The Mn sublattice remains antiferromagnetic down to 1.3 K (μMn = 2.38(6) μB). The Er moments order ferromagnetically below 5.5 K in ErMn2Ge2 (μMn = 6.81(31) μB). The moments are perpendicular to the c axis. The Mn sublattice remains antiferromagnetic down to 1.8 K (μMn = 2.34(18) μB). The magnetic structure of TmMn2Ge2 is characterized by the propagation vector (0.0.1/2). the Tm moments lying in the basal plane. The ordering of the Tm moments yields a canting of the Mn moments (τ = 21(3)°); μTm = 6.63(18) μB; μMn = 2.28(27) μB). The antiferromagnetic structure of LuMn2Ge2 has been determined (μMn = 2.32(14) μB). The evolution of the magnetic properties of the heavy rare earth compounds RMn2Ge2 is discussed.</div>
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Magnetic ordering in ternary RMn2Ge2 compounds (R  Tb, Ho, Er, Tm, Lu) from neutron diffraction study

Magnetic ordering in ternary RMn2Ge2 compounds (R  Tb, Ho, Er, Tm, Lu) from neutron diffraction study

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Descripteurs français

English descriptors

Abstract

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