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Resistivity under pressure and magnetization measurements on Ba$_{1-x}$Sr$_x$VS$_3$ single crystals with 0 $\leq x \leq$ 0.18 and no sulphur deficiency show an abrupt onset of ferromagnetic (FM) order at a critical value $x$=0.07,…

Structural, magnetization and heat capacity studies were performed on Ce$_2$(Pd$_{1-x}$Ni$_x$)$_2$Sn ($0 \leq x \leq 1$) alloys. The substitution of Pd atoms by isoelectronic Ni leads to a change in the crystallographic structure from…

Strongly Correlated Electrons · Physics 2011-03-02 J. G. Sereni , G. Schmerber , A. Braghta , B. Chevalier , J. P. Kappler

We report magnetization and specific heat measurements in the 2D frustrated spin-1/2 Heisenberg antiferromagnet Cs2CuCl4 at temperatures down to 0.05 K and high magnetic fields up to 11.5 T applied along a, b and c-axes. The low-field…

Strongly Correlated Electrons · Physics 2013-06-25 Y. Tokiwa , T. Radu , R. Coldea , H. Wilhelm , Z. Tylczynski , F. Steglich

FePS$_3$ is a prototype van der Waals layered antiferromagnet and a Mott insulator under ambient conditions, which has been recently reported to go through a pressure-induced dimensionality crossover and an insulator-to-metal transition.…

Strongly Correlated Electrons · Physics 2023-07-19 Shiyu Deng , Siyu Chen , Bartomeu Monserrat , Emilio Artacho , Siddharth S Saxena

The effect of pressure ($P$) on magnetic susceptibility of CsCuCl$_3$ was examined in magnetic fields ($\rm \mu_0$$H$) of up to 51 T using a proximity detector oscillator (PDO), and the $H$-$P$ phase diagram of CsCuCl$_3$ was constructed…

Materials Science · Physics 2022-05-17 K. Nihongi , T. Kida , Y. Narumi , J. Zaccaro , Y. Kousaka , K. Inoue , K. Kindo , Y. Uwatoko , M. Hagiwara

We present a systematic pressure study of poly- and single crystalline SrFe2As2 by electrical resistivity and X-ray diffraction measurements. SrFe2As2 exhibits a structural phase transition from a tetragonal to an orthorhombic phase at…

We investigated transport and magnetic properties of NdFeAsO$_{0.9}$F$_{0.1}$ single crystal under hydrostatic pressures up to 50\,GPa. The ambient pressure superconductivity at $T_{c} \sim$ 45.4\,K is fully suppressed at $P_{c} \sim$ 21…

Superconductivity · Physics 2018-09-12 Mahmoud Abdel-Hafiez , M. Mito , K. Shibayama , S. Takagi , M. Ishizuka , A. N. Vasiliev , C. Krellner , H. K. Mao

In the iron-pnictide material CeFeAsO not only the Fe moments, but also the local 4f moments of the Ce order antiferromagnetically at low temperatures. We elucidate on the peculiar role of the Ce on the emergence of superconductivity. While…

Superconductivity · Physics 2020-11-12 K. Mydeen , A. Jesche , K. Meier-Kirchner , U. Schwarz , C. Geibel , H. Rosner , M. Nicklas

Rare-earth compounds RCoSi exhibit unique properties, with distinct structural behaviors depending on whether R is a light, middle or heavy rare-earth element. Among them, CeCoSi undergoes a structural phase transition under high pressure,…

Strongly Correlated Electrons · Physics 2025-03-18 Shuai-Kang Zhang , Yuanji Xu , Guojun Li , Junshuai Wang , Zhongpo Zhou , Yipeng An

Low-temperature electronic states in SrRu_{1-x}Mn_xO_3 for x <= 0.6 have been investigated by means of specific-heat C_p measurements. We have found that a jump anomaly observed in C_p at the ferromagnetic (FM) transition temperature for…

Strongly Correlated Electrons · Physics 2010-02-19 A. Yamaji , M. Yokoyama , Y. Nishihara , Y. Narumi , K. Kindo

The pressure effect on the newly discovered charge-transferred BiS$_2$-based superconductor, Eu$_3$Bi$_2$S$_4$F$_4$, with a $T_c$ of 1.5 K at ambient pressure, is investigated by transport and magnetic measurements. Accompanied with the…

Superconductivity · Physics 2014-12-18 Yongkang Luo , Hui-Fei Zhai , Pan Zhang , Zhu-An Xu , Guang-Han Cao , J. D. Thompson

A detailed $^{31}$P (I=1/2) and $^{75}$As (I=3/2) NMR study on polycrystalline CeFeAs$_{1-x}$P$_{x}$O alloys is presented. The magnetism of CeFeAsO changes drastically upon P substitution on the As site. CeFePO is a heavy fermion system…

Strongly Correlated Electrons · Physics 2015-03-19 R. Sarkar , M. Baenitz , A. Jesche , C. Geibel , F. Steglich

We measured the pressure dependence of in-plane resistivity $\rho_{ab}$ in the recently-discovered iron-based superconductor Ca$_{10}$(Ir$_{4}$As$_{8}$)(Fe$_{2-x}$Ir$_{x}$As$_{2}$)$_{5}$, which shows a unique structural phase transition in…

We report high pressure studies on the C-type antiferromagnetic semiconductor EuTe2 up to 36.0 GPa. A structural transition from the I4/mcm to C2/m space group is identified at ~16 GPa. Superconductivity is discovered above ~5 GPa in both…

The properties of the novel heavy fermion superconductor Ce$_3$PtIn$_{11}$ are investigated by thermodynamic and transport measurements at ambient and under hydrostatic pressure. At ambient pressure the compound exhibits two successive…

Strongly Correlated Electrons · Physics 2015-12-03 Jan Prokleška , Marie Kratochvílová , Klára Uhlířová , Vladimír Sechovský , Jeroen Custers

We investigate both the nonmagnetic and magnetic ordered phases of CeCoSi using Landau theory. Our analysis predicts three successive phase transitions at zero magnetic field. A quadrupole order parameter that emerges below $T_0=12$ K acts…

Strongly Correlated Electrons · Physics 2025-06-27 Takayuki Ishitobi

We have performed magnetization measurements of the gapped quantum magnet CsFeCl$_3$ at temperatures ($T$) down to 0.5\,K at ambient pressure and down to 1.8\,K at hydrostatic pressures ($P$) of up to 1.5\,GPa. The lower-field ($H$) phase…

Strongly Correlated Electrons · Physics 2016-09-28 Nobuyuki Kurita , Hidekazu Tanaka

We report results of magnetotransport measurements on KV$_3$Sb$_5$ thin flakes under pressure. Our zero-field electrical resistance reveals an additional anomaly emerging under pressure ($p$), marking a previously unidentified phase…

We examined the magnetic properties of the square-lattice antiferromagnets CeMnAsO and LaMnAsO and their solid solutions La1-xCexMnAsO by resistivity, magnetic susceptibility, and heat capacity measurements below room temperature. A…

Strongly Correlated Electrons · Physics 2015-05-30 Yuto Tsukamoto , Yoshihiko Okamoto , Kazuyuki Matsuhira , Myung-Hwan Whangbo , Zenji Hiroi

Intrinsic magnetic topological insulators provide an ideal platform to achieve various exciting physical phenomena. However, this kind of materials and related research are still very rare. In this work, we reported the electronic and…