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Polycrystalline samples of the RE$_{5}$Rh$_2$In$_4$ (RE = Gd--Tm) intermetallics have been investigated by means of X-ray diffraction (XRD) as well as by DC and AC magnetometric measurements. The XRD data confirm that the compounds…

Materials Science · Physics 2025-05-22 Altifani Rizky Hayyu , Stanisław Baran , Aleksandra Deptuch , Andrzej Szytuła

Magnetic anisotropy and magnetic exchange interactions are crucial parameters that characterize the hybrid metal-organic interface, key component of an organic spintronic device. We show that the incorporation of 4$f$ RE atoms to hybrid…

We present a comprehensive study on anisotropic magnetocaloric porperties of the van der Waals weak-itinerant ferromagnet Fe$_{3-x}$GeTe$_2$ that features gate-tunable room-temperature ferromagnetism in few-layer device. Intrinsic…

Strongly Correlated Electrons · Physics 2019-09-16 Yu Liu , Jun Li , Jing Tao , Yimei Zhu , C. Petrovic

The Co$_2$Ge$_2$Te$_6$ shows intrinsic ferromagnetic (FM) order, which origins from superexchange interaction between Co and Te atoms, with higher Curie temperature ($T_c$) of 161 K. Co$_2$Ge$_2$Te$_6$ monolayer (ML) is half-metal (HM), and…

Materials Science · Physics 2022-07-06 Zhaoyong Guan , Ziyuan An , Yuzheng Jiang , Ya Su , Yanyan Jiang , Shuang Ni

We report high-temperature (300-1120 K) magnetization data of Fe and Fe3O4 nanoparticles embedded in multi-walled carbon nanotubes. The magnetic impurity concerntations are precisely determined by both high-energy synchrotron x-ray…

Strongly Correlated Electrons · Physics 2011-07-20 Guo-meng Zhao , Jun Wang , Yang Ren , Pieder Beeli

The material class of kagome metals has rapidly grown and has been established as a field to explore the interplay between electronic topology and magnetism. In this work, we report a combined theoretical and experimental study of the…

Electrical resistivity measurements of non-magnetic single-crystalline Ce$_{1-x}$La$_x$Os$_4$Sb$_{12}$ alloys, $x=0.02$ and 0.1, are reported for temperatures down to 20 mK and magnetic fields up to 18 T. At the lowest temperatures, the…

Strongly Correlated Electrons · Physics 2009-11-13 C. R. Rotundu , B. Andraka , P. Schlottmann

Millimeter-sized Ce$_2$Rh$_{3+\delta}$Sb$_4$ ($\delta\approx 1/8$) single crystals were synthesized by a Bi-flux method and their physical properties were studied by a combination of electrical transport, magnetic and thermodynamic…

Strongly Correlated Electrons · Physics 2023-08-21 Kangqiao Cheng , Shuo Zou , Huanpeng Bu , Jiawen Zhang , Shijie Song , Hanjie Guo , Huiqiu Yuan , Yongkang Luo

Motivated by recent theoretical and experimental advances in quantum simulations using alkaline earth(AE) atoms, we put forward a proposal to detect the Kondo physics in a cold atomic system. It has been demonstrated that the intrinsic…

Quantum Gases · Physics 2021-08-10 Yanting Cheng , Xin Chen , Ren Zhang

The results of magnetic susceptibility, electrical resistivity (rho), and heat capacity measurements as a function of temperature are reported for the alloys, Ce2Rh(1-x)Co(x)Si3, crystallizing in an AlB2-derived hexagonal strcture. Ce2RhSi3…

Strongly Correlated Electrons · Physics 2008-03-06 Swapnil Patil , Kartik K Iyer , K. Maiti , E. V. Sampathkumaran

The metallic systems MnSi and Fe$_{1-x}$Co$_{x}$Si are known to feature a generic magnetic phase diagram primarily determined by the isotropic exchange and Dzyaloshinskii-Moriya interactions. However, additional weaker anisotropies, lowest…

Strongly Correlated Electrons · Physics 2026-03-26 G. Gödecke , A. O. Leonov , J. Grefe , S. Süllow , D. Menzel

We present a theoretical investigation of the magnetocrystalline anisotropy (MA) in $R_2$Fe$_{14}$B ($R$ is a rare-earth element) magnets in consideration of the non-collinearity effect (NCE) between the $R$ and Fe magnetization directions.…

Materials Science · Physics 2019-04-03 Daisuke Miura , Akimasa Sakuma

We have investigated the local low-energy excitations in CeRu$_4$Sn$_6$, a material discussed recently in the framework of strongly correlated Weyl semimetals, by means of Ce $M_5$ resonant inelastic x-ray scattering (RIXS). The…

We report the detailed study of the magnetocaloric effect (MCE) in a dipolar-Heisenberg magnet LiGdF$_4$ using magnetization measurements performed on a single crystal sample. Entropy variation on isothermal demagnetization from the…

Strongly Correlated Electrons · Physics 2023-07-25 G. Iu. Andreev , I. V. Romanova , O. A. Morozov , S. L. Korableva , R. G. Batulin , V. N. Glazkov , S. S. Sosin

The La dilution of the Kondo lattice CeCoIn_5 is studied. The scaling laws found for the magnetic susceptibility and the specific heat reveal two well-separated energy scales, corresponding to the single impurity Kondo temperature T_K and…

Strongly Correlated Electrons · Physics 2009-11-07 S. Nakatsuji , S. Yeo , L. Balicas , Z. Fisk , P. Schlottmann , P. G. Pagliuso , N. O. Moreno , J. L. Sarrao , J. D. Thompson

In the Kondo effect, a localized magnetic moment is screened by forming a correlated electron system with the surrounding conduction electrons of a non-magnetic host. Spin S=1/2 Kondo systems have been investigated extensively in theory and…

We report the transport and thermodynamic properties under hydrostatic pressure in the antiferromagnetic Kondo compound CeMg2Cu9 with a two-dimensional arrangement of Ce atoms. Magnetic specific heat Cmag(T) shows a Schottky-type anomaly…

Strongly Correlated Electrons · Physics 2016-08-31 Masakazu Ito , Koji Asada , Yuko Nakamori , Jyun'ya Hori , Hironobu Fujii , Fumihiko Nakamura , Toshizo Fujita , Takashi Suzuki

In this work we investigate the effects of the short range magnetic correlations on the gap opening of the topological Kondo insulators. We consider an additional narrow band to the otherwise completely localized f-electrons, by adding a…

Strongly Correlated Electrons · Physics 2017-09-13 E. Ramos , R. Franco , J. Silva-Valencia , M. E. Foglio , M. S. Figueira

Self-intercalated chromium tellurides Cr1+xTe2 have garnered growing attention due to their high-temperature ferromagnetism, tunable spin structures and air stability, all of which are vital for versatile applications in next-generation…

We have used temperature dependent x-ray absorption at the Ce-L3 edge to investigate the recently discovered Kondo compound Ce2Rh3Al9. The systematic changes of the spectral lineshape with decreasing temperature are analyzed and found to be…

Strongly Correlated Electrons · Physics 2009-11-07 C. Grazioli , Z. Hu , M. S. Golden , J. Fink K. Attenkofer , O. Trovarelli , C. Geibel