Magnetic phase diagrams of UNiGe

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UNiGe undergoes two magnetic transitions in zero field. Here, the magnetic diagrams of UNiGe for B {parallel} b and B {parallel} c are reported. We performed temperatures scans of the magnetization in static magnetic fields up to 19.5T applied along the b and c axes. For both orientations 3 magnetic phases have been identified in the B-T diagrams. We confirmed the previously reported phase boundaries for B {parallel} c, and in addition we determined the location of the phase boundaries for B {parallel} b. We discuss a possible relationship of the two zero-field antiferromagnetic phases (commensurate: T<42K; incommensurate: 42K<T<50K) and ... continued below

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13 p.

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Nakotte, H.; Hagmusa, I.H.; Klaasse, J.C.P.; Nakotte, H.; Lacerda, A.H.; Hagmusa, I.H. et al. November 1, 1997.

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UNiGe undergoes two magnetic transitions in zero field. Here, the magnetic diagrams of UNiGe for B {parallel} b and B {parallel} c are reported. We performed temperatures scans of the magnetization in static magnetic fields up to 19.5T applied along the b and c axes. For both orientations 3 magnetic phases have been identified in the B-T diagrams. We confirmed the previously reported phase boundaries for B {parallel} c, and in addition we determined the location of the phase boundaries for B {parallel} b. We discuss a possible relationship of the two zero-field antiferromagnetic phases (commensurate: T<42K; incommensurate: 42K<T<50K) and the field-induced phase, which, at low temperatures, occurs between 18 and 25T or 4 and 10T for B {parallel} b or B {parallel} c, respectively. Finally, we discuss the field dependence of the electronic contribution {gamma} to the specific heat for B {parallel}c up to 17.5T, and we find that its field dependence is similar to the one found in more itinerant uranium compounds.

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13 p.

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INIS; OSTI as DE98000981

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  • RHMF `97: 5. international symposium on research in high magnetic fields symposium, Sydney (Australia), 4-6 Aug 1997

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  • Other: DE98000981
  • Report No.: LA-UR--97-3046
  • Report No.: CONF-9708108--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 552768
  • Archival Resource Key: ark:/67531/metadc696815

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  • November 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Aug. 3, 2016, 9:30 p.m.

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Nakotte, H.; Hagmusa, I.H.; Klaasse, J.C.P.; Nakotte, H.; Lacerda, A.H.; Hagmusa, I.H. et al. Magnetic phase diagrams of UNiGe, article, November 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc696815/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.