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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

We present the results of electrical resistivity, ac specific heat, magnetic susceptibility, X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) of the ternary iron arsenide EuFe2As2 single crystal under…

Single crystalline samples of the van der Waals antiferromagnet CrPS4 were studied by measurements of specific heat and comprehensive anisotropic temperature- and magnetic field-dependent magnetization. In addition, measurements of the heat…

Materials Science · Physics 2021-06-09 Sergey L. Bud'ko , Elena Gati , Tyler J. Slade , Paul C. Canfield

We report a detailed experimental and theoretical study on the effect of hydrostatic pressure on the structural and magnetic aspects of the layered honeycomb antiferromagent $\alpha$-RuCl$_{3}$. Magnetic susceptibility measurements…

Hydrostatic pressure effects on the temperature- and magnetic field dependencies of the in-plane and out-of-plane magnetization of the bi-layered perovskite Sr3Ru2O7 have been studied by SQUID magnetometer measurements under a hydrostatic…

Materials Science · Physics 2009-11-10 Yuri V. Sushko , Bruno DeHarak , Gang Cao , G. Shaw , D. K. Powell , J. W. Brill

We present magnetic and transport properties of PrRh$_{2}$Si$_{2}$ single crystals which exhibit antiferromagnetic order below T$_{N}$ = 68 K. Well defined anomalies due to magnetic phase transition are observed in magnetic susceptibility,…

Strongly Correlated Electrons · Physics 2009-08-28 V K Anand , Z Hossain , G Behr , G Chen , M Nicklas , C Geibel

LuFe$_4$Ge$_2$ crystallizes in the ZrFe$_4$Si$_2$-type structure, hosting chains of Fe-tetrahedra giving rise to geometric frustration and low-dimensionality. The compound orders antiferromagnetically at around 36 K accompanied by a…

Magnetic phase transitions under hydrostatic pressures in spin gap systems TlCu$_{0.988}$Mg$_{0.012}$Cl$_3$ and KCu$_{0.973}$Mg$_{0.027}$Cl$_3$ were investigated by magnetization measurements. The present doped systems exhibit…

Strongly Correlated Electrons · Physics 2015-06-25 T. Ono , H. Imamura , J. Kawakami , K. Goto , H. Tanaka

We report the magnetic susceptibility and the magnetization under pressures up to 1.7GPa above the critical pressure, Pc ~ 1.5GPa, for H // a, b, c-axes in the novel spin triplet superconductor UTe2. The anisotropic magnetic susceptibility…

We report on the magnetic properties of Eu$_{2}$Ir$_{2}$O$_{7}$ upon the application of hydrostatic pressure $P$ by means of macroscopic and local-probe techniques. In contrast to previously reported resistivity measurements, our dc…

Strongly Correlated Electrons · Physics 2016-04-15 G. Prando , R. Dally , W. Schottenhamel , Z. Guguchia , S. -H. Baek , R. Aeschlimann , A. U. B. Wolter , S. D. Wilson , B. Büchner , M. J. Graf

Electrical resistivity and ac-susceptibility measurements under high pressure were carried out in high-quality single crystals of $\alpha$-Mn. The pressure-temperature phase diagram consists of an antiferromagnetic ordered phase (0<$P$<1.4…

Strongly Correlated Electrons · Physics 2020-09-30 Takaaki Sato , Kazuto Akiba , Shingo Araki , Tatsuo C. Kobayashi

We report that the pressure-temperature phase diagram of single-crystalline SrFe$_2$As$_2$ is easily affected by the hydrostaticity of a pressure-transmitting medium. For all of the three mediums we used, superconductivity with zero…

Superconductivity · Physics 2015-05-13 H. Kotegawa , T. Kawazoe , H. Sugawara , K. Murata , H. Tou

Magnetization measurements under a hydrostatic pressure of P = 1.4 GPa were performed on the coupled spin dimer system TlCuCl_3, which exhibits a pressure-induced quantum phase transition from a gapped singlet state to an antiferromagnetic…

Strongly Correlated Electrons · Physics 2009-11-13 Fumiko Yamada , Yasuyuki Ishii , Takao Suzuki , Teiichiro Matsuzaki , Hidekazu Tanaka

We report on measurements of the magnetic susceptibility and electrical resistance under He-gas pressure on single crystals of Ca(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$. We find that for properly heat-treated crystals with modest…

Superconductivity · Physics 2013-11-14 E. Gati , S. Köhler , D. Guterding , B. Wolf , S. Knöner , S. Ran , S. L. Bud'ko , P. C. Canfield , M. Lang

MgCr$_{2}$O$_{4}$ is one of the best-known realizations of the pyrochlore-lattice Heisenberg antiferromagnet. The strong antiferromagnetic exchange interactions are perturbed by small further-neighbor exchanges such that this compound may…

Strongly Correlated Electrons · Physics 2023-09-07 L. S. Nassar , H. Lane , B. Haberl , M. Graves-Brook , B. Winn , S. M. Koohpayeh , M. Mourigal

Much of the rich physics of correlated systems is manifested in the diverse range of intertwined ordered phases and other quantum states that are associated with different electronic and structural degrees of freedom. Here we find that…

Strongly Correlated Electrons · Physics 2024-04-10 H. Q. Ye , Y. N. Zhang , T. Le , H. Q. Yuan , M. Smidman

Thermal expansion, magnetostriction and magnetization measurements under magnetic field and hydrostatic pressure were performed on a $\mathrm{UAu_{2}Si_{2}}$ single crystal. They revealed a large anisotropy of magnetoelastic properties…

We investigate the effect of pressure on the electronic and magnetic states of CdV$_2$O$_4$ by using ab initio electronic structure calculations. The Coulomb correlation and spin-orbit coupling play important role in deciding the…

Strongly Correlated Electrons · Physics 2012-08-06 Sudhir K. Pandey

We have performed electrical resistivity measurements on single crystal BaFe2As2 under high pressure P up to 16 GPa with a cubic anvil apparatus, and up to 3 GPa with a modified Bridgman anvil cell. The samples were obtained from the same…

In this paper, we report the results of a high pressure study of the itinerant 5f-electron ferromagnet UCoGa. The work is focused on probing the expected ferromagnet-to-paramagnet quantum phase transition induced by high pressure and on the…

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