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Related papers: Evidence for Anisotropic Kondo Behavior in Ce0.8La…

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The compound Ce3Co4Sn13 is an extremely heavy cubic heavy fermion system with a low temperature electronic specific heat of order ~4 J/mol-K2. If the compound is nonmagnetic, it would be one of the heaviest nonmagnetic Ce-based heavy…

Strongly Correlated Electrons · Physics 2009-11-11 A. D. Christianson , J. S. Gardner , H. J. Kang , J. -H. Chung , S. Bobev , J. L. Sarrao , J. M. Lawrence

We report measurements of inelastic neutron scattering, magnetic susceptibility, magnetization, and the magnetic field dependence of the specific heat for the heavy Fermion compounds Ce$_3$In and Ce$_3$Sn. The neutron scattering results…

By combining the results of muon spin rotation and inelastic neutron scattering in the heavy fermion compounds Ce1-xLaxAl3 (0.0 <= x <= 0.2), we show that static magnetic correlations are suppressed above a characteristic temperature, T*,…

Strongly Correlated Electrons · Physics 2009-11-07 E. A. Goremychkin , R. Osborn , B. D. Rainford , T. A. Costi , A. P. Murani , C. A. Scott , P. J. C. King

Inelastic neutron scattering experiments were performed on single crystals of the heavy-fermion compound CeIn$_{3}$ for temperatures below and above the N\'eel temperature, $T_N$. In the antiferromagnetically ordered phase, well-defined…

Strongly Correlated Electrons · Physics 2009-11-10 W. Knafo , S. Raymond , B. Fak , G. Lapertot , P. C. Canfield , J. Flouquet

We report detailed temperature-dependent inelastic neutron scattering and ab-initio lattice dynamics investigation of magnetic perovskites YCrO3 and LaCrO3. The magnetic neutron scattering from the Cr ions exhibits significant changes with…

We have investigated the non-centrosymmetric tetragonal heavy-fermion compound CeAuAl3 using muon spin rotation (muSR), neutron diffraction (ND) and inelastic neutron scattering (INS) measurements. We have also revisited the magnetic,…

The low-energy magnetic excitations of the noncentrosymmetric heavy-fermion superconductor CePt3Si have been measured with inelastic neutron scattering on a single crystal. Kondo-type spin fluctuations with an anisotropic wave vector…

Strongly Correlated Electrons · Physics 2008-12-01 B. Fak , S. Raymond , D. Braithwaite , G. Lapertot , J. -M. Mignot

We report a detailed and comparative study of the single crystal CeCoInGa$_3$ in both experiment and theory. Resistivity measurements reveal the typical behavior of Kondo lattice with the onset temperature of coherence, $T^*\approx 50\,$K.…

Strongly Correlated Electrons · Physics 2018-09-14 Le Wang , Yuanji Xu , Meng Yang , Qianqian Wang , Cuixiang Wang , Shanshan Miao , Youting Song , Youguo Shi , Yi-feng Yang

The dynamical spin susceptibility is studied in the magnetically-disordered phase of heavy-Fermion systems near the antiferromagnetic quantum phase transition. In the framework of the $S=1/2$ Kondo lattice model, we introduce a perturbative…

Strongly Correlated Electrons · Physics 2009-10-31 C. Pepin , M. Lavagna

Inelastic neutron scattering measurements have been performed on single crystals of the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$ in broad energy [0.1, 9.5 meV] and temperature [40 mK, 294 K] ranges in order to address…

Strongly Correlated Electrons · Physics 2007-05-23 W. Knafo , S. Raymond , J. Flouquet , B. Fåk , M. A. Adams , P. Haen , F. Lapierre , S. Yates , P. Lejay

Zero-field muSR experiments in the heavy-fermion alloys Ce_{1-x}La_xAl_3, x = 0 and 0.2, examine a recent proposal that the system exhibits a strong anisotropic Kondo effect. We resolve a damped oscillatory component for both La…

Strongly Correlated Electrons · Physics 2009-11-07 D. E. MacLaughlin , M. S. Rose , B. -L. Young , O. O. Bernal , R. H. Heffner , G. J. Nieuwenhuys , R. Pietri , B. Andraka

We report inelastic neutron scattering measurements performed on a single crystal of the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$, which is at the borderline between an antiferromagnetically ordered and a paramagnetic…

Strongly Correlated Electrons · Physics 2007-05-23 W. Knafo , S. Raymond , B. Fåk , M. A. Adams , P. Lejay , J. Flouquet

We have performed magnetic susceptibility, specific heat, resistivity, and inelastic neutron scattering measurements on a single crystal of the heavy Fermion compound Ce(Ni$_{0.935}$Pd$_{0.065}$)$_2$Ge$_2$, which is believed to be close to…

We present nuclear magnetic resonance (NMR), neutron diffraction, magnetization, and transport measurements on a single crystal and powder of CeVGe$_3$. This material exhibits heavy fermion behavior at low temperature, accompanied by…

Strongly Correlated Electrons · Physics 2024-04-29 C. Chaffey , H. C. Wu , Hanshang Jin , P. Sherpa , Peter Klavins , M. Avdeev , S. Aji , R. Shimodate , K. Nawa , T. J. Sato , V. Taufour , N. J. Curro

Recent inelastic neutron scattering experiments in CeIn$_{3}$ and CePd$_{2}$Si$_{2}$ single crystals measured spin wave excitations at low temperatures. These two heavy fermion compounds exhibit antiferromagnetic long-range order, but a…

Strongly Correlated Electrons · Physics 2008-07-09 M. Acquarone , C. I. Ventura

We have performed thermodynamic and neutron scattering measurements on the S=1/2 kagome lattice antiferromagnet Zn Cu_3 (OH)_6 Cl_2. The susceptibility indicates a Curie-Weiss temperature of ~ -300 K; however, no magnetic order is observed…

Strongly Correlated Electrons · Physics 2007-05-23 J. S. Helton , K. Matan , M. P. Shores , E. A. Nytko , B. M. Bartlett , Y. Yoshida , Y. Takano , A. Suslov , Y. Qiu , J. -H. Chung , D. G. Nocera , Y. S. Lee

The dynamical spin susceptibility is studied in the magnetically-disordered phase of heavy-Fermion systems near the antiferromagnetic quantum phase transition. In the framework of the $S=1/2$ Kondo lattice model, we introduce a perturbative…

Strongly Correlated Electrons · Physics 2009-10-31 C. Pepin , M. Lavagna

Recent inelastic neutron scattering experiments in CeIn3 and CePd2Si2 single crystals, measured spin wave excitations at low temperatures. These two heavy fermion compounds exhibit antiferromagnetic long-range order, but a strong…

Strongly Correlated Electrons · Physics 2007-08-02 M. Acquarone , C. I. Ventura , .

We report inelastic neutron scattering experiments on a single crystal of the intermediate valence compound CePd3. At 300 K the magnetic scattering is quasielastic, with halfwidth of 23 meV, and is independent of momentum transfer Q. At low…

Inelastic neutron scattering experiments performed on a single crystal of the antiferromagnetic compound Ce$_{0.87}$La$_{0.13}$Ru$_{2}$Si$_{2}$ under applied pressures of up to 5 kbar are reported. A quantum critical point is reached at…

Strongly Correlated Electrons · Physics 2009-11-07 S. Raymond , L. P. Regnault , J. Flouquet , A. Wildes , P. Lejay
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