English
Related papers

Related papers: Magnetization jumps and relaxation effect in doped…

200 papers

The antiferromagnetic heavy-fermion compound Ce$_2$RhIn$_8$ belongs to the same family and bears similarities with the well-studied prototypical material CeRhIn$_5$, which demonstrates a unique behavior under applied magnetic field. Here,…

Strongly Correlated Electrons · Physics 2025-05-19 T. Klein , C. Marcenat , A. Demuer , J. Sarrade , D. Aoki , I. Sheikin

Two ferromagnetic phases, FM1 and FM2, were first proposed to exist in LaCrGe$_3$ based on a broad maximum in the temperature derivative of resistivity resembling that of the superconducting ferromagnet UGe$_2$ where FM1 and FM2 are…

Strongly Correlated Electrons · Physics 2023-05-24 R. R. Ullah , P. Klavins , X. D. Zhu , and V. Taufour

In low-dimensional magnets, thermal agitation and spatial disorders generate strong spin fluctuations that suppress the long-range magnetic ordering. We develop an analytical equation for the equilibrium magnetization of two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 Essa M. Ibrahim , Ping Tang , Shufeng Zhang

We have demonstrated the effect of pressure on magnetization jump and its associated magnetostriction in Eu$_{0.58}$Sr$_{0.42}$MnO$_{3}$. The critical field lowered by the applied pressure is explained by a suppression of the metastable…

The FMR linewidth and its anisotropy in F$_1$/f/F$_2$/AF multilayers, where spacer f has a low Curie point compared to the strongly ferromagnetic F$_1$ and F$_2$, is investigated. The role of the interlayer exchange coupling in…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 A. F. Kravets , D. M. Polishchuk , Yu. I. Dzhezherya , A. I. Tovstolytkin , V. O. Golub , V. Korenivski

The first order martensitic transition in the ferromagnetic shape memory alloy Ni45Co5Mn38Sn12 is also a magnetic transition and has a large field induced effect. While cooling in the presence of field this first order magnetic martensite…

Materials Science · Physics 2013-01-22 Archana Lakhani , A. Banerjee , P. Chaddah , X. Chen , R. V. Ramanujan

We shall discuss magnetization and transport measurements in materials exhibiting a broad first-order transition. The phase transitions would be caused by varying magnetic field as well as by varying temperature, and we concentrate on…

Strongly Correlated Electrons · Physics 2009-11-11 P. Chaddah

In this work, we study a biquadratic Heisenberg model with coupled orbital degree of freedom using Monte Carlo simulation in order to investigate the phase transitions in iron-based superconductors. The antiferro-quadrupolar state, which…

Superconductivity · Physics 2016-03-22 W. Z. Zhuo , M. H. Qin , S. Dong , X. G. Li , J. M. Liu

Angle and temperature dependent torque magnetization measurements are reported for the organic superconductor kappa-(BEDT-TTF)2Cu(NCS)2, at extremely low temperatures (approx. Tc/10^3). Magneto-thermal instabilities are observed in the form…

Superconductivity · Physics 2007-05-23 M. M. Mola , S. Hill , J. S. Brooks , J. S. Qualls

Cu-doped type-I germanium clathrate can exhibit dilute magnetism, including ferromagnetism, antiferromagnetism, and metamagnetic transitions up to 90 K. 63Cu NMR measurements confirm that these transitions are due to a dilute composition of…

Materials Science · Physics 2007-05-23 Yang Li , Weiping Gou , Ji Chi , Joseph H. Ross

The 1H-NMR spectrum and nuclear relaxation rate 1/T_1 in the antiferromagnetic wheel CsFe8 were measured to characterize the previously observed magnetic field-induced low-temperature phase around the level crossing at 8 T. The data show…

Strongly Correlated Electrons · Physics 2009-11-13 L. Schnelzer , O. Waldmann , M. Horvatić , S. T. Ochsenbein , S. Krämer , C. Berthier , H. U. Güdel , B. Pilawa

We present first specific-heat data of the alloy Yb(Rh_(1-x)Co_x)_2Si_2 at intermediate Co-contents x=0.18, 0.27, and 0.68. The results already point to a complex magnetic phase diagram as a function of composition. Co-doping of YbRh_2Si_2…

Strongly Correlated Electrons · Physics 2010-03-03 C. Klingner , C. Krellner , C. Geibel

X-ray magnetic circular dichroism at the Er M4,5 edge is used to study the switching behavior of the hard ErFe2 layers in an epitaxial [ErFe2(70{\AA})/YFe2 (150{\AA})]{\times}25 exchange-spring superlattice. Magnetic hysteresis loops for…

We use a recently developed optical fiber Bragg grating technique, in continuous and pulsed magnetic fields in excess of 90T, to study magnetoelastic correlations in magnetic materials at cryogenic temperatures. Both insulating UO2 and…

Strongly Correlated Electrons · Physics 2019-05-29 Marcelo Jaime , Krzysztof Gofryk , Eric D. Bauer

The magnetic phase diagram of CuFeO2 as a function of applied magnetic field and temperature is thoroughly explored and expanded, both for magnetic fields applied parallel and perpendicular to the material's c-axis. Pulsed field…

Materials Science · Physics 2015-05-18 Tom T. A. Lummen , Cornelius Strohm , Harison Rakoto , Paul H. M. van Loosdrecht

Ambient pressure studies on high purity single crystals of the stoichiometric 4f-electron metal CeNi2Ge2 reveal anomalous low temperature forms of the resistivity which challenge our understanding of the metallic state. Comparisons are made…

We present here some newer characteristics pertaining to paramagnetic Meissner effect like response in a single crystal of the low Tc superconducting compound 2H-NbSe2 via a detailed study of effects of perturbation on the field-cooled…

Superconductivity · Physics 2015-02-24 Santosh Kumar , C. V. Tomy , G. Balakrishnan , D. McK Paul , A. K. Grover

Structural, magnetic and magnetocaloric properties of Fe2P-based Mn-Fe-P-Si compounds were investigated. The study reveals a large magneto-elastic coupling that starts to develop in the paramagnetic state and grows when the ferromagnetic…

Materials Science · Physics 2012-09-25 Nguyen Huu Dung , Lian Zhang , Zhi Qiang Ou , Ekkes Brück

The dc magnetization (M) and electrical resistivity (\rho) as functions of magnetic field and temperature are reported for a series of lightly electron dopedCa(1-x)La(x)MnO(3) (0<=x<=0.10) specimens for which magnetization [Phys. Rev. B…

Strongly Correlated Electrons · Physics 2007-05-23 C. Chiorescu , J. J. Neumeier , J. L. Cohn

Magnetic behavior of the pseudo-binary alloy $Hf_{1-x}Ta_xFe_2$ has been studied, for which the zero field ferromagnetic (FM) to antiferromagnetic (AFM) transition temperature is tuned near to T=0 K. These alloys show anomalous…

Strongly Correlated Electrons · Physics 2013-01-16 R. Rawat , P. Chaddah , Pallab Bag , P. D. Babu , V. Siruguri
‹ Prev 1 4 5 6 7 8 10 Next ›