ThuliumV1, Main, Exploration, bibRecord, 002477

Magnetic ordering and superconductivity in R2Rh3Sn5 (R=La-Tm,Y) systems

Identifieur interne : 002477 ( Main/Exploration ); précédent : 002476; suivant : 002478

Magnetic ordering and superconductivity in R2Rh3Sn5 (R=La-Tm,Y) systems

Auteurs : N. G. Patil [Inde] ; S. Ramakrishnan [Inde]

Source :

Physical review. B, Condensed matter [ 0163-1829 ] ; 1999-05-01.

RBID : Pascal:99-0216432

Descripteurs français

Pascal (Inist)
- 7470A, 7425B, 7425H, Etude expérimentale, Etude théorique, Lanthane alliage, Cérium alliage, Praséodyme alliage, Néodyme alliage, Gadolinium alliage, Terbium alliage, Dysprosium alliage, Holmium alliage, Erbium alliage, Thulium alliage, Yttrium alliage, Rhodium alliage, Etain alliage, Aimantation, Résistivité électrique, Chaleur massique, Structure cristalline, Effet Kondo, Matériau antiferromagnétique, Supraconducteur magnétique, Transition magnétique, Supraconducteur type II.

English descriptors

KwdEn :
- Antiferromagnetic materials, Cerium alloys, Crystal structure, Dysprosium alloys, Electrical resistivity, Erbium alloys, Experimental study, Gadolinium alloys, Holmium alloys, Kondo effect, Lanthanum alloys, Magnetic superconductors, Magnetic transitions, Magnetization, Neodymium alloys, Praseodymium alloys, Rhodium alloys, Specific heat, Terbium alloys, Theoretical study, Thulium alloys, Tin alloys, Type-II superconductors, Yttrium alloys.

Abstract

We report resistivity, magnetization and heat-capacity studies on R₂Rh₃Sn₅ (R=La-Tm, Y) from 1.5 to 300 K. We find that La₂Rh₃Sn₅ forms in U₂Co₃Si₅ (Ibam) structure while the others (R=Ce to Tm) adopt the related Y₂Rh₃Sn₅ (Cmc2₁) structure. Both structures are closely related to the structure of R₂Fe₃Si₅ (P4/mnc) compounds which exhibit exotic superconducting and magnetic properties. Ce₂Rh₃Sn₅ shows a Kondo lattice behavior and undergoes antiferromagnetic ordering below 2.5 K whereas compounds La₂Rh₃Sn₅ and Tm₂Rh₃Sn₅ show superconductivity below 1.8 K. The observed superconductivity in Tm₂Rh₃Sn₅ is interesting in view of its bulk magnetic ordering below 2.3 K. The other compounds containing magnetic rare-earth elements undergo antiferromagnetic ordering at low temperatures (T≤10 K) with the exception of Pr₂Rh₃Sn₅ and Nd₂Rh₃Sn₅ which do not order down to 1.5 K.

Affiliations:

Inde

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Le document en format XML

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<front><div type="abstract" xml:lang="en">We report resistivity, magnetization and heat-capacity studies on R<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 (R=La-Tm, Y) from 1.5 to 300 K. We find that La<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 forms in U<sub>2</sub>
Co<sub>3</sub>
Si<sub>5</sub>
 (Ibam) structure while the others (R=Ce to Tm) adopt the related Y<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 (Cmc2<sub>1</sub>
) structure. Both structures are closely related to the structure of R<sub>2</sub>
Fe<sub>3</sub>
Si<sub>5</sub>
 (P4/mnc) compounds which exhibit exotic superconducting and magnetic properties. Ce<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 shows a Kondo lattice behavior and undergoes antiferromagnetic ordering below 2.5 K whereas compounds La<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 and Tm<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 show superconductivity below 1.8 K. The observed superconductivity in Tm<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 is interesting in view of its bulk magnetic ordering below 2.3 K. The other compounds containing magnetic rare-earth elements undergo antiferromagnetic ordering at low temperatures (T≤10 K) with the exception of Pr<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 and Nd<sub>2</sub>
Rh<sub>3</sub>
Sn<sub>5</sub>
 which do not order down to 1.5 K.</div>
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Magnetic ordering and superconductivity in R2Rh3Sn5 (R=La-Tm,Y) systems

Magnetic ordering and superconductivity in R2Rh3Sn5 (R=La-Tm,Y) systems

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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Pour manipuler ce document sous Unix (Dilib)

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