English
Related papers

Related papers: Structural-transition-driven antiferromagnetic to …

200 papers

In Hg$_{1-x}$Mn$_x$Te (x$\geq$0.16) monocrystal, the giant-diamagnetic (GDM) and magnetization-step phenomena have been observed in spin glass (SG) regime. The susceptibility of GDM is about 100-1000 times than that of classic diamagnetic.…

Materials Science · Physics 2011-04-07 Liangqing Zhu , Tie Lin , Jun Shao , Zheng Tang , Junyu Zhu , Xiaodong Tang , Junhao Chu

The ferrimagnetic spinel $\mathrm{CoV_2O_4}$ has been a topic of intense recent interest, both as a frustrated insulator with unquenched orbital degeneracy and as a near-itinerant magnet which can be driven metallic with moderate applied…

Strongly Correlated Electrons · Physics 2016-02-03 D. Reig-i-Plessis , D. Casavant , V. O. Garlea , A. A. Aczel , M. Feygenson , J. Neuefeind , H. D. Zhou , S. E. Nagler , G. J. MacDougall

Magnetic state is a partial ordered state if only part of the electrons in the system give contribution to the magnetic order. We study Heisenberg model of two sublattice spin system, on the body-centered cubic lattice, with…

Strongly Correlated Electrons · Physics 2024-09-20 N. Karchev

The topological states of matters arising from the nontrivial magnetic configuration provide a better understanding of physical properties and functionalities of solid materials. Such studies benefit from the active control of spin…

Mesoscale and Nanoscale Physics · Physics 2019-04-29 Jian Liu , Sheng Meng , Jia-Tao Sun

We report on the emergent magnetic state of (111)-oriented CoCr2O4 ultrathin films sandwiched by Al2O3 in the quantum confined geometry. At the two-dimensional crossover, polarized neutron reflectometry reveals an anomalous enhancement of…

Strongly Correlated Electrons · Physics 2020-01-08 Xiaoran Liu , B. J. Kirby , Zhicheng Zhong , Yanwei Cao , B. Pal , M. Kareev , S. Middey , J. W. Freeland , P. Shafer , E. Arenholz , J. Chakhalian

Transition metal dichalcogenides (TMDC) stand out with their high chemical stability and the possibility to incorporate a wide range of magnetic species between the layers. The behavior of conduction electrons in such materials intercalated…

We report the results of magnetic measurements for the solid solution Ce$_2$Au$_{1-x}$Co$_x$Si$_3$. The results reveal that this solid solution is characterized by a magnetic phase diagram (plot of magnetic transition temperature versus…

Strongly Correlated Electrons · Physics 2009-11-07 Subham Majumdar , E. V. Sampathkumaran , St. Berger , M. Della Mea , H. Michor , E. Bauer , M. Brando , J. Hemberger , A. Loidl

Recently, orthorhombic CuMnAs has been proposed to be a magnetic material where topological fermions exist around the Fermi level. Here we report the magnetic structure of the orthorhombic Cu0.95MnAs and Cu0.98Mn0.96As single crystals.…

Materials Science · Physics 2017-12-13 Eve Emmanouilidou , Huibo Cao , Peizhe Tang , Xin Gui , Chaowei Hu , Bing Shen , Junyi Wu , Shou-Cheng Zhang , Weiwei Xie , Ni Ni

We investigate the spin-glass transition in the strongly frustrated well-known compound $Fe_2TiO_5$. A remarkable feature of this transition, widely discussed in the literature, is its anisotropic properties: the transition manifests itself…

Disordered Systems and Neural Networks · Physics 2021-06-16 P. G. LaBarre , D. Phelan , Y. Xin , F. Ye , T. Besara , T. Siegrist , S. V. Syzranov , S. Rosenkranz , A. P. Ramirez

The interplay between spin-orbit interaction (SOI) and magnetic order is currently one of the most active research fields in condensed matter physics and leading the search for materials with novel and tunable magnetic and spin properties.…

The interaction of a single manganese impurity with silicon is analyzed in a combined experimental and theoretical study of the electronic, magnetic, and structural properties of manganese-doped silicon clusters. The structural transition…

We report temperature dependent ac susceptibility ($\chi$) measurements on a high quality single crystal of Tb$_2$PdSi$_3$, crystallizing in a AlB$_2$-derived hexagonal structure. This compound is found to exhibit features attributable to…

Strongly Correlated Electrons · Physics 2007-05-23 P. L. Paulose , E. V. Sampathkumaran , H. Bitterlich , G. Behr , W. Loser

We discuss theoretically rather rear example of spin-flop transition which is accompanied with changing the type of magnetic ordering and which seemingly has not been addressed yet. We demonstrate that changing the type of magnetic ordering…

Strongly Correlated Electrons · Physics 2017-01-19 A. V. Syromyatnikov

We present numerical simulations of the 4D Edwards Anderson Ising spin glass with binary couplings. Our results, in the midst of strong finite size effects, suggest the existence of a spin glass phase transition. We present a preliminar…

Disordered Systems and Neural Networks · Physics 2009-10-31 Enzo Marinari , Carla Naitza , Francesco Zuliani

The unusual anisotropy of the spin glass transition in the pseudobrookite system Fe$_2$TiO$_5$ has been interpreted as arising from an induced, van der Waals-like, interaction among magnetic clusters. Here we present susceptibility ($\chi$)…

Disordered Systems and Neural Networks · Physics 2022-07-14 Y. Li , D. Phelan , F. Ye , H. Zheng , E. Krivyakina , A. Samarakoon , P. G. LaBarre , J. Neu , T. Siegrist , S. Rosenkranz , S. V. Syzranov , A. P. Ramirez

Altermagnets are a class of materials with compensated magnetic moments, in which spin sublattices are related by specific symmetries other than inversion or translation. This allows time-reversal symmetry to be broken without a net…

We report a quantum phase transition from a spin-liquid state to a spin-glass state in the quasi-one dimensional (1D) spin-1 system Sr1-xCaxNi2V2O8, induced by a small amount of Ca-substitution at Sr site. The ground state of the parent…

Strongly Correlated Electrons · Physics 2012-07-23 A. K. Bera , S. M. Yusuf

The inversion and volume effects on magnetism in a spinel-type magnetically frustrated compound, CoAl2O4, and its gallium-substituted system, CoAl2-xGaxO4, were investigated. Magnetically frustrated Co2+ with spin S = 3/2 on the tetrahedral…

Bimetallic Co/Au (core/shell) nanoparticle system exhibiting transition form superparamagnetic (SPM) to superspin glass state (SSG) at low temperatures has been investigated with respect to its magnetocaloric properties. Peaks of magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-02-14 P. Hrubovcak , A. Zelenakova , V. Zelenak , J. Kovac , V. Franco

We investigate the ferromagnetic-glassy transitions which separate the low-temperature ferromagnetic and spin-glass phases in the temperature-disorder phase diagram of three-dimensional Ising spin-glass models. For this purpose, we consider…

Disordered Systems and Neural Networks · Physics 2015-05-28 Giacomo Ceccarelli , Andrea Pelissetto , Ettore Vicari
‹ Prev 1 4 5 6 7 8 10 Next ›