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Related papers: Hindered Quadrupole Order in PrMgNi4 with a Nonmag…

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Ferro-quadrupole (FQ) order in the non-Kramers $\Gamma_3$ doublet system PrTi$_2$Al$_{20}$ has been investigated via angle-resolved measurements of the specific heat, rotational magnetocaloric effect, and entropy, under a rotating magnetic…

Magnetization and specific heat measurements on a UIrSi3 single crystal reveal Ising-like antiferromagnetism below T$_N$ = 41.7 K with easy magnetization direction along the c-axis of tetragonal structure. The antiferromagentic ordering is…

The physical properties of the antiferroquadrupolar state occurring in TmTe below TQ=1.8 K have been studied using neutron diffraction in applied magnetic fields. A field-induced antiferromagnetic component k = (1/2,1/2,1/2) is observed…

Strongly Correlated Electrons · Physics 2015-06-24 J. M. Mignot , A. Gukasov , C. P. Yang , P. Link , T. Matsumura , T. Suzuki

As a member of the Ruddlesden-Popper Ln$_{n+1}$Ni$_n$O$_{3n+1}$ series rare-earth-nickelates, the Pr4Ni$_3$O$_{10}$ consists of infinite quasi-two-dimensional perovskite-like Ni-O based layers. Although a metal-to-metal phase transition at…

We report the magnetic, electronic and transport properties of the quasi-skutterudite compound Pr$_3$Ir$_4$Ge$_{13}$ by means of magnetic susceptibility $\chi(T)$, electrical resistivity $\rho(T)$, specific heat $C_p(T)$, thermal…

Strongly Correlated Electrons · Physics 2020-08-28 K. Ramesh Kumar , Michael O. Ogunbunmi , Harikrishnan S. Nair , Andre M. Strydom

High temperature cuprate superconductivity remains a defining problem in condensed matter physics. Among myriad approaches to addressing this problem has been the study of alternative transition metal oxides with similar structures and 3d…

Strongly Correlated Electrons · Physics 2017-10-17 Junjie Zhang , A. S. Botana , J. W. Freeland , D. Phelan , Hong Zheng , V. Pardo , M. R. Norman , J. F. Mitchell

The electronic structure of diluted (Ga,Mn)As magnetic semiconductors in the presence of As-antisites and magnetic disorder is studied within the framework of the local spin density approximation. Both the chemical and magnetic disorders…

Materials Science · Physics 2007-05-23 J. Kudrnovsky , I. Turek , V. Drchal , J. Masek , F. Maca , P. Weinberger

We determine the viability of 4-layered Aurivillius phases to exhibit long-range magnetic order above room temperature. We use Monte Carlo simulations to calculate transition temperatures for an effective Heisenberg model containing a…

Materials Science · Physics 2017-03-22 Axiel Yaël Birenbaum , Andrea Scaramucci , Claude Ederer

Magnetic ordering phenomena in CexPr1-xB6 solid solutions have been studied using both powder and single-crystal neutron diffraction. A variety of magnetic structures are observed depending on temperature and Ce concentration. Over a broad…

Strongly Correlated Electrons · Physics 2008-07-25 Jean-Michel Mignot , Gilles André , Julien Robert , Masafumi Sera , Fumitoshi Iga

Most of magnetic transitions related to Ce ordering are found below T_ord~12K. Among the few cases exceeding that temperature, two types of behaviors can be distinguished. One of them is related to the rare cases of Ce binary compounds…

Strongly Correlated Electrons · Physics 2015-06-19 J. G. Sereni , P. Pedrazzini , M. Gómez Berisso , A. Chacoma , S. Encina , T. Gruner , N. Caroca-Canales , C. Geibel

The synthesis, structural, magnetic, thermal and transport properties are reported for polycrystalline PrIr3. At room temperature PrIr3 displays the rhombohedral space group R-3m and a PuNi3- type structure. At around 70 K a phase…

The cubic compound PrTi$_2$Al$_{20}$ is a quadrupolar Kondo lattice system that exhibits quadrupolar ordering due to the non-Kramers $\Gamma_3$ ground doublet and has strong hybridization between $4f$ and conduction electrons. Our study…

Strongly Correlated Electrons · Physics 2015-06-05 Akito Sakai , Kentaro Kuga , Satoru Nakatsuji

Successive magnetic phase transitions at $T_{\text{N}}$=12.2 K, $T_{\text{N}}^{\;\prime}$=7.0 K, and $T_{\text{N}}^{\;*}$=5.0 K in EuIrGe$_3$, an intermetallic compound with a body centered tetragonal lattice belonging to a polar space…

We have studied the low-temperature properties of Pr$_{x}$La$_{1-x}$Pb$_{3}$ with non-Kramers $\Gamma_{3}$ quadrupolar moments of the crystal-electric-field ground state, for a wide concentration range of Pr ions. For $x$$\le$0.05, the…

Strongly Correlated Electrons · Physics 2009-11-10 Tatsuya Kawae , Tatsuharu Yamamoto , Kenji Yurue , Naoyuki Tateiwa , Kazuyoshi Takeda , Tetsuo Kitai

We report an experimental and computational study of magnetic and electronic properties of the layered Ru(V) oxide SrRu2O6 (hexagonal, P-3 1m), which shows antiferromagnetic order with a N\'eel temperature of 563(2) K, among the highest for…

Theoretical account is given of 4f-electron dynamics and multipole orders in Pr skutterudites with particular attention to (i) mechanism of the crystalline electric field (CEF) splitting leading to a pseudo-quartet ground state;(ii) Kondo…

Strongly Correlated Electrons · Physics 2009-11-11 Y. Kuramoto , J. Otsuki , A. Kiss , H. Kusunose

We have investigated the ground state properties of the orthorhombic structure compound PrRu$_2$Ga$_8$ through electronic and magnetic properties studies. The compound crystallizes in the CaCo$_2$Al$_8$-type structure, belonging to space…

Strongly Correlated Electrons · Physics 2019-04-01 Michael O Ogunbunmi , André M Strydom

The effect of Ge substitution for Si in SmMMn2Si2-xGex compounds has been studied. The Sm ordering temperature is found to be much larger in the compound with x=2, as compared to the compounds with x=0 and 1. The increase in the intra layer…

Materials Science · Physics 2009-11-13 Pramod Kumar , K. G. Suresh , A. K. Nigam , S. K. Malik

We present neutron diffraction, muon spin rotation and pulsed-field magnetometry measurements on the Heisenberg quantum chiral chain [Cu(pym)(H2O)4]SiF6.H2O, which displays a four-fold-periodic rotation of the local environment around the…

We report the results of magnetic, heat-capacity, electrical and magnetoresistance measurements on Ho4RhAl and Er4RhAl, characterized by 3 sites for rare-earths (R). Antiferromagnetic ordering sets in at (T_N =) about 8.8 and 4.0 K…

Strongly Correlated Electrons · Physics 2021-08-18 Ram Kumar , E. V. Sampathkumaran