About: Single crystal study of the layered heavy fermion compounds Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11     Goto   Sponge   NotDistinct   Permalink

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Description
  • We report on single crystal growth and crystallographic parameters results of Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11. The Pt-systems Ce2PtIn8 and Ce3PtIn11 are synthesized for the first time. All these compounds are member of CenTmIn3n+2m (n=1, 2, ..; m=1, 2,.. and T= transition metal) to which the extensively studied heavy fermion superconductor CeCoIn5 belongs. Single crystals have been grown by an In self-flux method. Differential scanning calorimetry studies were used to derive optimal growth conditions. Evidently, the maximum growth conditions for these materials should not exceed 750 degrees C. Single crystal x-ray data show that Ce2TIn8 compounds crystallize in the tetragonal Ho2CoGa8 phase (space group P4/mmm) with lattice parameters a=4.6898(3) angstrom and c=12.1490(8) angstrom for Pt-based one (Pd: a=4.6881(4) angstrom and c=12.2031(8) angstrom). Ce3TIn11 compounds adopt Ce3PdIn11 structure with a=4.6874(4) angstrom and c=16.8422(12) angstrom for Pt-based one (Pd: a=4.6896 angstrom and c=16.891 angstrom). Specific heat experiments on Ce3PtIn11 and Ce3PdIn11 have revealed that both compounds undergo two successive magnetic transitions at T-1 similar to 2.2 K followed by T-N similar to 2.0 K and T-1 similar to 1.7 K and T-N similar to 1.5 K, respectively. In addition, both compounds exhibit enhanced Sommerfeld coefficients yielding gamma(Pt)=0.300 J/mol K-2 Ce (gamma(Pd)=0.29 J/mol K-2 Ce), hence qualifying them as heavy fermion materials.
  • We report on single crystal growth and crystallographic parameters results of Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11. The Pt-systems Ce2PtIn8 and Ce3PtIn11 are synthesized for the first time. All these compounds are member of CenTmIn3n+2m (n=1, 2, ..; m=1, 2,.. and T= transition metal) to which the extensively studied heavy fermion superconductor CeCoIn5 belongs. Single crystals have been grown by an In self-flux method. Differential scanning calorimetry studies were used to derive optimal growth conditions. Evidently, the maximum growth conditions for these materials should not exceed 750 degrees C. Single crystal x-ray data show that Ce2TIn8 compounds crystallize in the tetragonal Ho2CoGa8 phase (space group P4/mmm) with lattice parameters a=4.6898(3) angstrom and c=12.1490(8) angstrom for Pt-based one (Pd: a=4.6881(4) angstrom and c=12.2031(8) angstrom). Ce3TIn11 compounds adopt Ce3PdIn11 structure with a=4.6874(4) angstrom and c=16.8422(12) angstrom for Pt-based one (Pd: a=4.6896 angstrom and c=16.891 angstrom). Specific heat experiments on Ce3PtIn11 and Ce3PdIn11 have revealed that both compounds undergo two successive magnetic transitions at T-1 similar to 2.2 K followed by T-N similar to 2.0 K and T-1 similar to 1.7 K and T-N similar to 1.5 K, respectively. In addition, both compounds exhibit enhanced Sommerfeld coefficients yielding gamma(Pt)=0.300 J/mol K-2 Ce (gamma(Pd)=0.29 J/mol K-2 Ce), hence qualifying them as heavy fermion materials. (en)
Title
  • Single crystal study of the layered heavy fermion compounds Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11
  • Single crystal study of the layered heavy fermion compounds Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11 (en)
skos:prefLabel
  • Single crystal study of the layered heavy fermion compounds Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11
  • Single crystal study of the layered heavy fermion compounds Ce2PdIn8, Ce3PdIn11, Ce2PtIn8 and Ce3PtIn11 (en)
skos:notation
  • RIV/00216208:11320/14:10271599!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP203/12/1201), P(LM2011025), S
http://linked.open...iv/cisloPeriodika
  • červenec
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 45075
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/14:10271599
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  • Magnetic materials; Rare earth compounds; Single crystal growth; X-ray diffraction; Crystal structure (en)
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  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [CFAEEB4D44AC]
http://linked.open...i/riv/nazevZdroje
  • Journal of Crystal Growth
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  • 397
http://linked.open...iv/tvurceVysledku
  • Rudajevová, Alexandra
  • Dušek, M.
  • Prokleška, Jan
  • Sechovský, Vladimír
  • Kratochvílová, Marie
  • Uhlířová, Klára
  • Custers, Jeroen
  • Vondráčková, Barbora
http://linked.open...ain/vavai/riv/wos
  • 000335905100008
issn
  • 0022-0248
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.jcrysgro.2014.04.008
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  • 11320
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