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Related papers: Unconventional Multiferroicity in Cupric Oxide

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The magnetic phase diagram of CuCrO2 was studied with a novel method of simultaneous Cu NMR and electric polarization techniques with the primary goal of demonstrating that regardless of cooling history of the sample the magnetic phase with…

Strongly Correlated Electrons · Physics 2018-03-21 Yu. A. Sakhratov , J. J. Kweon , E. S. Choi , H. D. Zhou , L. E. Svistov , A. P. Reyes

A series of manganites Tb1-xHoxMnO3 (0<=x<=0.6) with orthorhombic structure are synthesized and detailed investigations on their multiferroicity are performed. Successive magnetic transitions upon temperature variation are evidenced for all…

Strongly Correlated Electrons · Physics 2010-04-19 C. L. Lu , S. Dong , K. F. Wang , J. -M. Liu

We review the phenomenology of coupled magnetic and electric order parameters for systems in which ferroelectric and incommensurate magnetic order occur simultaneously. We discuss the role that such materials might play in fabricating novel…

Materials Science · Physics 2007-05-23 A. B. Harris , G. Lawes

The magnetic phases of a triangular-lattice antiferromagnet, CuCrO$_2$, were investigated in magnetic fields along to the $c$ axis, $H$ // [001], up to 120 T. Faraday rotation and magneto-absorption spectroscopy were used to unveil the rich…

Strongly Correlated Electrons · Physics 2017-11-22 Atsuhiko Miyata , Oliver Portugall , Daisuke Nakamura , Kenya Ohgushi , Shojiro Takeyama

The magnetic order and the spin dynamics in the antiferromagnetic entropy-stabilized oxide (Mg$_{0.2}$Co$_{0.2}$Ni$_{0.2}$Cu$_{0.2}$Zn$_{0.2}$)O (MgO-ESO) have been studied using muon spin relaxation ($\mu$SR) and inelastic neutron…

The magnetic-field and temperature dependencies of ultrasound propagation and magnetization of single-crystalline CoCr2O4 have been studied in static and pulsed magnetic fields up to 14 T and 62 T, respectively. Distinct anomalies with…

We have investigated the magnetic properties of CuNCN, the first nitrogen-based analogue of cupric oxide, CuO. Our muon spin relaxation, nuclear magnetic resonance and electron spin resonance studies reveal that classical magnetic ordering…

Strongly Correlated Electrons · Physics 2011-07-26 A. Zorko , P. Jeglič , A. Potočnik , D. Arčon , A. Balčytis , Z. Jagličić , X. Liu , A. L. Tchougréeff , R. Dronskowski

We present magnetostriction and thermal expansion measurements on multiferroic (Ni0.93Co0.07)3V2O8. The high field phase diagrams up to 33 T along the a, b and c directions are built. For H//a, as the magnetic field increases, two…

Strongly Correlated Electrons · Physics 2024-01-02 Jiating Wu , Minjie Zhang , Ke Shi , Huxin Yin , Yuyan Han , Lansheng Ling , Wei Tong , Chuanying Xi , Li Pi , Zhaosheng Wang

The effects of high magnetic fields applied perpendicular to the spontaneous ferroelectric polarization on single crystals of BiFeO$_3$ were investigated through magnetization, magnetostriction, and neutron diffraction measurements. The…

The magnetic phase diagram of the quasi one-dimensional spinchain system CsNiF$_3$ below the N\'eel temperature is determined. For magnetic fields perpendicular to the spin chains incommensurate phases are predicted. From linear spin-wave…

Statistical Mechanics · Physics 2009-10-30 C. Pich , F. Schwabl

We have studied the crystal and magnetic structures of the magnetoelectric materials RMn2O5 (R = Tb, Ho, Dy) using neutron diffraction as a function of temperature. All three materials display incommensurate antiferromagnetic ordering below…

Strongly Correlated Electrons · Physics 2009-11-11 G. R. Blake , L. C. Chapon , P. G. Radaelli , S. Park , N. Hur , S-W. Cheong , J. Rodriguez-Carvajal

The commensurate phase of multiferroic HoMn2O5 was studied by X-ray magnetic scattering, both off resonance and in resonant conditions at the Ho-L3 edge. Below 40 K, magnetic ordering at the Ho sites is induced by the main Mn magnetic order…

Materials Science · Physics 2009-11-13 G. Beutier , A. Bombardi , C. Vecchini , P. G. Radaelli , S. Park , S-W. Cheong , L. C. Chapon

The ordering temperature of a quasi-one-dimensional system, consisting of weakly interacting quantum spin-1/2 chains with antiferromagnetic spin-frustrating couplings (or zig-zag ladder) is calculated. The results show that a quantum…

Strongly Correlated Electrons · Physics 2009-11-13 A. A. Zvyagin , S. -L. Drechsler

Magnetoelectric multiferroics are highly sought after for applications in low-power electronics and for advancing fundamental research, including axion insulators and dark matter detection. However, achieving a combination of ferroic spin…

Materials Science · Physics 2024-12-02 Libor Šmejkal

In the low doping region an incommensurate magnetic phase is observed in LSCO. By means of the composite operator method we show that the single-band 2D Hubbard model describes the experimental situation. In the higher doping region, where…

Strongly Correlated Electrons · Physics 2008-02-03 F. Mancini , D. Villani , H. Matsumoto

We have observed distinct temperature-dependent magnetization reversal modes in a perpendicular (Co/Pd)4/Co/Cu/(Co/Ni)4/Co pseudo-spin-valve, which are correlated with spin-transport properties. At 300 K, magnetization reversal occurs by…

Materials Science · Physics 2013-07-12 J. E. Davies , D. A. Gilbert , S. M. Mohseni , R. K. Dumas , J. Åkerman , Kai Liu

The layered FeTe2O5Cl compound was studied by specific-heat, muon spin relaxation, nuclear magnetic resonance, dielectric, as well as neutron and synchrotron x-ray diffraction measurements, and the results were compared to isostructural…

Strongly Correlated Electrons · Physics 2013-12-31 M. Pregelj , A. Zorko , O. Zaharko , P. Jeglič , Z. Kutnjak , Z. Jagličić , S. Jazbec , H. Luetkens , A. D. Hillier , H. Berger , D. Arčon

The spin ordering of La3/2Sr1/2NiO4 was investigated by magnetization measurements, and by unpolarized- and polarized-neutron diffraction. Spin ordering with an incommensurability epsilon ~ 0.445 is observed below T_so ~ 80 K. On cooling, a…

Strongly Correlated Electrons · Physics 2009-11-07 P. G. Freeman , A. T. boothroyd , D. Prabhakaran , D. Gonzalez , M. Enderle

We present a detailed study of complex dielectric constant and ferroelectric polarization in multiferroic LiCuVO4 as function of temperature and external magnetic field. In zero external magnetic field, spiral spin order with an ab helix…

Strongly Correlated Electrons · Physics 2008-04-15 F. Schrettle , S. Krohns , P. Lunkenheimer , J. Hemberger , N. Büttgen , H. -A. Krug von Nidda , A. V. Prokofiev , A. Loidl

Resistivity measurements are widely exploited to uncover electronic excitations and phase transitions in metallic solids. While single crystals are preferably studied to explore crystalline anisotropies, these usually cancel out in…