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@ARTICLE{Jang:862081,
      author       = {Jang, Dongjin and Portnichenko, Pavlo Y. and Cameron,
                      Alistair S. and Friemel, Gerd and Dukhnenko, Anatoliy V. and
                      Shitsevalova, Natalya Y. and Filipov, Volodymyr B. and
                      Schneidewind, Astrid and Ivanov, Alexandre and Inosov,
                      Dmytro S. and Brando, Manuel},
      title        = {{L}arge positive correlation between the effective electron
                      mass and the multipolar fluctuation in the heavy-fermion
                      metal {C}e1 − x {L}a x {B}6},
      journal      = {npj quantum materials},
      volume       = {2},
      number       = {1},
      issn         = {2397-4648},
      address      = {[London]},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2019-02439},
      pages        = {62},
      year         = {2017},
      abstract     = {For the last few decades, researchers have been intrigued
                      by multipolar ordering phenomena and related quantum
                      phasetransitions in heavy-fermion Kondo systems. However, a
                      criticality induced by substitution level (x), temperature
                      (T), or magneticfield (B) is poorly understood even in the
                      prototypical material, Ce1−xLaxB6, despite a large
                      collection of experimental results isavailable. In this
                      work, we presentT–B,x–T, andx–Bphase diagrams of
                      Ce1−xLaxB6(B|| [110]). These are completed by
                      investigatingheat capacity, magnetocaloric effect (MCE), and
                      elastic neutron scattering. A drastic increase of the
                      Sommerfeld coefficientγ0,which is estimated from the heat
                      capacity down to 0.05 K, is observed with increasingx. The
                      preciseT–Bphase diagram including ahigh-entropy region is
                      derived from the MCE analysis in which a knowledge beyond
                      the equilibrium thermodynamics is involved.Finally,
                      thex–Bphase diagram atT= 0, which supports the existence
                      of a quantum critical point atx> 0.75, is obtained by the
                      sameanalysis. A detailed interpretation of phase diagrams
                      strongly indicates positive correlation between
                      thefluctuating multipoles andthe effective electron mass.},
      cin          = {JCNS-FRM-II / JCNS-2 / MLZ},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-588b)4597118-3},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)PANDA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000423481200001},
      doi          = {10.1038/s41535-017-0068-x},
      url          = {https://juser.fz-juelich.de/record/862081},
}