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Related papers: Orbital-dependent metamagnetic response in Sr4Ru3O…

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We report muon spin rotation ($\mu$SR) and magnetization measurements on superconducting Sr$_{2}$VO$_{3}$FeAs under pressure. At ambient pressure, Sr$_{2}$VO$_{3}$FeAs undergoes an antiferromagnetic transition of the V moments at $T_{N}$…

Measurements of magnetic susceptibility, heat capacity and thermal expansion are reported for single crystalline CuSb$_{2}$O$_{6}$ in the temperature range $5<T<350$ K. The magnetic susceptibility exhibits a broad peak centered near 60 K…

Strongly Correlated Electrons · Physics 2015-06-16 A. Rebello , M. G. Smith , J. J. Neumeier , B. D. White , Yi-Kuo Yu

Motivated by the recent indications of ferromagnetism in transition metal oxide heterostructures, we propose a possible mechanism to generate ferromagnetism for itinerant t2g systems in two spatial dimensions that does not rely on the…

Strongly Correlated Electrons · Physics 2018-10-08 Gang Chen , Leon Balents

A caged compound CeOs2Al10, crystallizing in the orthorhombic YbFe2Al10-type structure, undergoes a mysterious phase transition at T_0=29 K. We report the results of electron diffraction, magnetization, and magnetoresistance for single…

Strongly Correlated Electrons · Physics 2015-05-19 Y. Muro , J. Kajino , K. Umeo , K. Nishimoto , R. Tamura , T. Takabatake

We investigate the 2-dimensional Fermi surface of high-mobility LaAlO$_3$/SrTiO$_3$ interfaces using Shubnikov-de Haas oscillations. Our analysis of the oscillation pattern underscores the key role played by the Rashba spin-orbit…

Strongly Correlated Electrons · Physics 2014-11-24 A. Fête , S. Gariglio , C. Berthod , D. Li , D. Stornaiuolo , M. Gabay , J. -M. Triscone

$\alpha$-RuCl$_3$ is a promising candidate material to realize the so far elusive quantum spin liquid ground state. However, at low temperatures, the coexistence of different exchange interactions couple the effective pseudospins into an…

Recent nuclear magnetic resonance experiments measuring the Knight shift in $Sr_2RuO_4$ have challenged the widely accepted picture of chiral pairing in this superconductor. Here we study the implications of helical pairing on the…

Superconductivity · Physics 2021-01-04 R. Gupta , T. Saunderson , S. Shallcross , M. Gradhand , J. Quintanilla , J. Annett

We present detailed studies of the high-field magnetoresistance of the layered organic metal $\kappa$-(BETS)$_2$\-Mn\-[N(CN)$_2$]$_3$ under a pressure slightly above the insulator-metal transition. The experimental data are analysed in…

Strongly Correlated Electrons · Physics 2019-03-22 V. N. Zverev , W. Biberacher , S. Oberbauer , I. Sheikin , P. Alemany , E. Canadell , M. V. Kartsovnik

We investigate the spin and orbital correlations of a superexchange model with spin $S=1$ and orbital $L=1$ relevant for $5d^4$ transition metal Mott insulators, using exact diagonalization and density matrix renormalization group (DMRG).…

Strongly Correlated Electrons · Physics 2020-04-15 Shi Feng , Niravkumar D. Patel , Panjin Kim , Jung Hoon Han , Nandini Trivedi

We report the first experimental results of the magnetoresistance, Hall effect, and quantum Shubnikov-de Haas oscillations on single crystals of ZrTe, which was recently predicted to be a new type of topological semimetal hosting both…

Materials Science · Physics 2020-06-12 W. L. Zhu , J. B. He , S. Zhang , D. Chen , L. Shan , Z. A. Ren , G. F. Chen

The demagnetizing factor has an important effect on the physics of ferromagnets. For cuboidal samples it depends on susceptibility and the historic problem of determining this function continues to generate theoretical and experimental…

Strongly Correlated Electrons · Physics 2020-10-22 Mikael Twengström , Laura Bovo , Oleg A. Petrenko , Steven T. Bramwell , Patrik Henelius

Spin correlations in metallic and insulating phases of $V_2O_3$ and its derivatives are investigated using magnetic neutron scattering. Metallic samples have incommensurate spin correlations varying little with hole doping. Paramagnetic…

Strongly Correlated Electrons · Physics 2009-10-28 Wei Bao , C. Broholm , G. Aeppli , P. Dai , J. M. Honig , P. Metcalf

Altermagnetism has attracted considerable attention for its remarkable combination of spin-polarized band structures and zero net magnetization, making it a promising candidate for spintronics applications. We demonstrate that this magnetic…

Materials Science · Physics 2025-06-03 Zhuang Qian , Yudi Yang , Shi Liu , Congjun Wu

Using inelastic magnetic neutron scattering we have discovered a localized spin resonance at 4.5 meV in the ordered phase of the geometrically frustrated cubic antiferromagnet $\rm ZnCr_2O_4$. The resonance develops abruptly from quantum…

Strongly Correlated Electrons · Physics 2009-10-31 S. -H. Lee , C. Broholm , T. H. Kim , W. Ratcliff , S-W. Cheong

Here, we study the electrical transport and specific heat in 4$d$ based ferromagnetic material SrRuO$_3$ and its Ti substituted SrRu$_{1-x}$Ti$_x$O$_3$ series ($x$ $\le$ 0.7). The SrRuO$_3$ is a metal and shows itinerant ferromagnetism with…

Strongly Correlated Electrons · Physics 2020-09-02 Renu Gupta , R. Rawat , A. K. Pramanik

The current article investigated the band structure in the presence and absence of spin-orbit coupling (SOC), examined the Z2 invariants, and investigated the detailed angle-dependent magneto-transport of up to 10 T (Tesla) and down to 2 K…

Materials Science · Physics 2024-07-10 N. K. Karn , Yogesh Kumar , Geet Awana , V. P. S. Awana

The electrical resistance, Hall resistance and thermoelectric power of the Ising-like antiferromagnet UIrSi3 were measured as functions of temperature and magnetic field. We have observed that the unequivocally different characters of…

Strongly Correlated Electrons · Physics 2019-07-24 Fuminori Honda , Jaroslav Valenta , Jan Prokleška , Jiří Pospíšil , Petr Proschek , Jiří Prchal , Vladimír Sechovský

We show that spin-S chains with SU(2)-symmetric, ferromagnetic nearest-neighbor and frustrating antiferromagnetic next-nearest-neighbor exchange interactions exhibit metamagnetic behavior under the influence of an external magnetic field…

Strongly Correlated Electrons · Physics 2011-12-15 M. Arlego , F. Heidrich-Meisner , A. Honecker , G. Rossini , T. Vekua

The weak antiferromagnetism of URu${}_{2}$Si${}_{2}$ is discussed on the basis of a duality model which takes into account salient features of both itinerant fermions and "localized" component of spin degrees of freedom. The problem is…

Strongly Correlated Electrons · Physics 2009-10-31 Yukihiro Okuno , Kazumasa Miyake

It is assumed that U atoms in $UGe_2$ have a number of $f$ electrons appropriate to give them each a spin $s=1$ as well as one extra itinerant electron which may equally well be on one or other U atom. The dynamical degrees of freedom are…

Strongly Correlated Electrons · Physics 2007-05-23 Naoum Karchev
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