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We have studied properties of the one-3d-electron cation (Ti 3+, V 4+ ions) under the action of the low-symmetry crystal field in the presence of the spin- orbit coupling. Very anomalous temperature dependences of the magnetic…

强关联电子 · 物理学 2008-10-08 Z. Ropka , Michalski , R. J. Radwanski

We have investigated the magnetic and transport properties of a ternary intermetallic compound PrRuSi3 using dc magnetization, ac susceptibility, specific heat, electrical resistivity, neutron diffraction, inelastic neutron scattering and…

强关联电子 · 物理学 2014-07-22 V. K. Anand , D. T. Adroja , A. D. Hillier , J. Taylor , G. Andre

We report a detailed investigation into the metamagnetism of Sr3Ru2O7 at low temperatures for the magnetic field parallel to the ruthenium oxygen planes. The metamagnetism is studied as a function of temperature, magnetic field and sample…

Time-dependent Thermoremanent Magnetization (TRM) studies have been instrumental in probing energy dynamics within the spin glass phase. In this paper, we will review the evolution of the TRM experiment over the last half century and…

无序系统与神经网络 · 物理学 2024-11-11 G. G. Kenning , M. Brandt , R. Brake , M. Hepler , D. Tennant

Motivated by its role as a central pillar of current theories of dynamics of spin ice in and out of equilibrium, we study the single-ion dynamics of the magnetic rare earth ions in their local environments, subject to the effective fields…

强关联电子 · 物理学 2015-10-21 Bruno Tomasello , Claudio Castelnovo , Roderich Moessner , Jorge Quintanilla

The layered perovskites $R$Cr(BO$_3$)$_2$ ($R$ = Y and Ho) with magnetic triangular lattices were studied by performing ac/dc susceptibility, specific heat, elastic and inelastic neutron scattering, and dielectric constant measurements. The…

材料科学 · 物理学 2017-09-13 R. Sinclair , H. D. Zhou , M. Lee , E. S. Choi , G. Li , T. Hong , S. Calder

We study the structural, magnetic, transport and electronic properties of LaCoO$_3$ with Sr/Nb co-substitution, i.e., La$_{(1-2x)}$Sr$_{2x}$Co$_{(1-x)}$Nb$_{x}$O$_3$ using x-ray and neutron diffraction, dc and ac-magnetization, neutron…

强关联电子 · 物理学 2020-08-19 Rishabh Shukla , Anil Jain , M. Miryala , M. Murakami , K. Ueno , S. M. Yusuf , R. S. Dhaka

The insulating pyrochlore compound Nd2Sn2O7 has been shown to undergo a second order magnetic phase transition at Tc ~ 0.91 K to a noncoplanar all-in--all-out magnetic structure of the Nd3+ magnetic moments. An anomalously slow paramagnetic…

强关联电子 · 物理学 2017-05-04 P. Dalmas de Reotier , A. Yaouanc , A. Maisuradze , A. Bertin , P. J. Baker , A. D. Hillier , A. Forget

Magnetic properties of a series of (La0.7Sr0.3MnO3/SrRuO3) superlattices, where the SrRuO3 layer thickness is varying, are examined. A room-temperature magnetocaloric effect is obtained owing to the finite size effect which reduces the TC…

材料科学 · 物理学 2011-01-10 Q. Zhang , S. Thota , F. Guillou , P. Padhan , V. Hardy , A. Wahl , W. Prellier

Effects of the inter-layer couplings for the orthogonal dimer system SrCu$_2$(BO$_3$)$_2$ are discussed. The spin-gap $\Delta$ of the three-dimensional model is independent of the inter-layer couplings when they are small. Therefore at low…

强关联电子 · 物理学 2019-08-17 Shin Miyahara , Kazuo Ueda

We investigate the structural, magnetic, and thermodynamic properties of \BSCO\ ($x$ = 0.04, $\delta$ = 0.54), a hexagonal perovskite featuring face-sharing CoO$_6$ octahedra that forms Co dimers. DC and AC magnetization measurements reveal…

强关联电子 · 物理学 2025-08-15 Anzar Ali , Guratinder Kaur , Lukas Keller , Masahiko Isobe

We present a model which accounts for the high field magnetisation at very low temperature in two pyrochlore frustrated systems, Er2Ti2O7 and Tb2Ti2O7. The two compounds present very different ground states: Er2Ti2O7, which has a planar…

强关联电子 · 物理学 2015-06-15 Pierre Bonville , Sylvain Petit , Isabelle Mirebeau , Julien Robert , Elsa Lhotel , Carley Paulsen

We present a comprehensive experimental investigation of the temperature evolution of magnetic states in triangular-lattice delafossite YbCuSe$_2$. Magnetization measurements on high-quality single crystals reveal easy-plane anisotropy.…

强关联电子 · 物理学 2026-04-08 K. Bhattacharya , Y. Tokiwa , M. Majumder

A Muon Spin Rotation ($\mu$+SR) study was conducted to investigate the magnetic properties of SrCu2(BO3)2 (SCBO) as a function of temperature/pressure. Measurements in zero field and transverse field confirm the absence of long range…

We have studied the superconducting properties of LaIr$_3$ with a rhombohedral structure using magnetization, heat capacity, and muon-spin rotation/relaxation ($\mu$SR) measurements. The zero-field cooled and field cooled susceptibility…

超导电性 · 物理学 2020-01-08 A. Bhattacharyya , D. T. Adroja , P. K. Biswas , Y. J. Sato , M. R. Lees , D. Aoki , A. D. Hillier

The orthoperovskites TbCoO$_3$ and DyCoO$_3$ with Co$^{3+}$ in a non-magnetic low-spin state have been investigated by neutron diffraction down to 0.25 K. Magnetic ordering is evidenced below $T_N=3.3$ K and 3.6 K, respectively, and the…

材料科学 · 物理学 2017-09-26 K. Knížek , Z. Jirák , P. Novák , Clarina R. dela Cruz

The perovskite oxide EuTiO3 (ETO) has attracted increased scientific interest due to its potential multiferroic properties and magnetic activity above and below its structural phase transition at TS=282K. Various experiments have indirectly…

Transition metal oxides of the $4d$ and $5d$ block have recently become the targets of materials discovery, largely due to their strong spin-orbit coupling that can generate exotic magnetic and electronic states. Here we report the high…

We present the ground state properties of a new quantum antiferromagnet YbBO$_3$ in which the isotropic Yb$^{3+}$ triangular layers are separated by a non-magnetic layer of partially occupied B and O(2) sites. The magnetization and heat…

强关联电子 · 物理学 2022-10-19 K. Somesh , S. S. Islam , S. Mohanty , G. Simutis , Z. Guguchia , Ch. Wang , J. Sichelschmidt , M. Baenitz , R. Nath

We report positive muon spin relaxation measurements on the triangular lattice magnetic system FeGa2S4. A magnetic transition not previously detected by specific heat and magnetic susceptibility measurements is found in zero field at T^*…