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Related papers: Pressure induced magnetic order in FeSe

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The resistivity $\rho$ and Hall resistivity $\rho_H$ are measured on FeSe at pressures up to $P$ = 28.3 kbar in magnetic fields up to $B$ = 14.5 T. The $\rho(B)$ and $\rho_H(B)$ curves are analyzed with multicarrier models to estimate the…

We have studied the Tb$_2$Sn$_2$O$_7$ frustrated magnet by neutron diffraction under isotropic pressure of 4.6 GPa, combined with uniaxial pressure of 0.3 GPa, in the temperature range 0.06 K$<$T$<$100 K. Magnetic order persists under…

Strongly Correlated Electrons · Physics 2015-05-13 I. Mirebeau , I. Goncharenko , H. Cao , A. Forget

The low-temperature microscopic magnetic properties of the quasi-2D heavyfermion compound, CePt2In7 are investigated by using a positive muon-spin rotation and relaxation (?muSR) technique. Clear evidence for the formation of a commensurate…

Strongly Correlated Electrons · Physics 2015-06-22 M. Mansson , K. Prsa , Y. Sassa , P. H. Tobash , E. D. Bauer , C. Rusu , D. Andreica , O. Tjernberg , K. Sedlak , M. Grioni , T. Durakiewicz , J. Sugiyama

We performed elastic neutron scattering and magnetization measurements on Fe(1.07)Te(0.75)Se(0.25) and FeTe(0.7)Se(0.3). Short-range incommensurate magnetic order is observed in both samples. In the former sample with higher Fe content, a…

Superconductivity · Physics 2009-09-11 Jinsheng Wen , Guangyong Xu , Zhijun Xu , Zhi Wei Lin , Qiang Li , W. Ratcliff , Genda Gu , J. M. Tranquada

In this paper the magnetic behaviour of SmFeAsO and SmFeAs(O0.85F0.15) samples is presented and discussed. Molar susceptibility of SmFeAsO exhibits a local peak at T around 140K due to the establishment of a long range antiferromagnetic…

Superconductivity · Physics 2008-07-11 R. Cimberle , C. Ferdeghini , F. Canepa , M. Ferretti , A. Martinelli , A. Palenzona , A. S. Siri , M. Tropeano

The EuFe(2-x)Ni(x)As2 compounds exhibiting 3d and/or 4f magnetic order were investigated by means of 57Fe and 151Eu M\"ossbauer spectroscopy. Additionally, results for the end members of this system, i.e. EuFe2As2 and EuNi2As2, are reported…

Superconductivity · Physics 2021-06-07 K. Komedera , J. Gatlik , A. Blachowski , J. Zukrowski , D. Rybicki , A. Delekta , M. Babij , Z. Bukowski

In the quasi-1D heavy-fermion system YbNi$_4$(P$_{1-x}$As$_x$)$_2$ the presence of a ferromagnetic (FM) quantum critical point (QCP) at $x_c$ $\approx 0.1$ with unconventional quantum critical exponents in the thermodynamic properties has…

Strongly Correlated Electrons · Physics 2017-04-05 R. Sarkar , J. Spehling , P. Materne , H. Luetkens , C. Baines , M. Brando , C. Krellner , H. -H. Klauss

The nature of the nematic state in FeSe remains one of the major unsolved mysteries in Fe- based superconductors. Both spin and orbital physics have been invoked to explain the origin of this phase. Here we present experimental evidence for…

Superconductivity · Physics 2018-03-28 Mingquan He , Liran Wang , Frédéric Hardy , Liping Xu , Thomas Wolf , Peter Adelmann , Christoph Meingast

On experimental side, BaFe$_2$As$_2$ without doping has been made superconducting by applying appropriate pressure (2-6 GPa). Here, we use a full-potential linearized augmented plane wave method within the density-functional theory to…

Superconductivity · Physics 2009-04-08 Wenhui Xie , Mingli Bao , Zhenjie Zhao , Bang-Gui Liu

We report a detailed $\mu$SR study of the pressure evolution of the magnetic order in the manganese based pnictide MnP, which has been recently found to undergo a superconducting transition under pressure once the magnetic ground state is…

Superconductivity · Physics 2016-06-01 R. Khasanov , A. Amato , P. Bonfà , Z. Guguchia , H. Luetkens , E. Morenzoni , R. De Renzi , N. D. Zhigadlo

CeCoSi is an intermetallic antiferromagnet with a very unusual temperature-pressure phase diagram: at ambient pressure it orders below $T_{\mathrm{N}} = 8.8$ K, while application of hydrostatic pressure induces a new magnetically ordered…

Strongly Correlated Electrons · Physics 2020-07-01 S. E. Nikitin , D. G. Franco , J. Kwon , R. Bewley , A. Podlesnyak , A. Hoser , M. M. Koza , C. Geibel , O. Stockert

Neutron-scattering and specific-heat measurements of the heavy-fermion superconductor URu2Si2 under hydrostatic pressure and with Rh-doping [U(Ru{0.98}Rh{0.02})2Si2] show the existence of two magnetic phase transitions. At the second-order…

Strongly Correlated Electrons · Physics 2007-05-23 F. Bourdarot , B. Fak , V. P. Mineev , M. E. Zhitomirsky , N. Kernavanois , S. Raymond , P. Burlet , F. Lapierre , P. Lejay , J. Flouquet

Elucidating the nature of the magnetism of a high-temperature superconductor is crucial for establishing its pairing mechanism. The parent compounds of the cuprate and iron-pnictide superconductors exhibit N\'eel and stripe magnetic order,…

We investigate the effect of external pressure on the Fe magnetic moment in undoped LaOFeAs within the framework of density functional theory and show that this system is close to a magnetic instability: The Fe moment is found to drop by…

Superconductivity · Physics 2009-01-22 I. Opahle , H. C. Kandpal , Y. Zhang , C. Gros , R. Valenti

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…

We have used inelastic neutron scattering and muon-spin rotation to compare the low energy magnetic excitations in single crystals of superconducting Fe1.01Se0.50Te0.50 and non-superconducting Fe1.10Se0.25Te0.75. We confirm the existence of…

We report a study of the low-temperature high-pressure phase diagram of the intermetallic compound PrCu$_2$, by means of molecular-field calculations and $^{63,65}$Cu nuclear-quadrupole-resonance (NQR) measurements under pressure. The…

Strongly Correlated Electrons · Physics 2009-11-13 A. Sacchetti , M. Weller , H. R. Ott , Y. Onuki

Zero-field (ZF) muon spin relaxation ($\mu$SR) measurements have revealed static commensurate magnetic order of Fe moments in NdOFeAs below $T_{N} \sim 135$ K, with the ordered moment size nearly equal to that in LaOFeAs, and confirmed…

We present the results of a muon-spin relaxation (muSR) investigation into magnetic ordering in several families of layered quasi-two-dimensional molecular antiferromagnets based on transition metal ions such as S=1/2 Cu2+ bridged with…

The low-temperature antiferromagnetic state of the Sm-ions in both nonsuperconducting SmFeAsO and superconducting SmFeAsO$_{0.9}$F$_{0.1}$ single crystals was studied by magnetic torque, magnetization, and magnetoresistance measurements in…

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