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Related papers: Parimagnetism in RCo$_2$ series (R=Dy, Ho, and Tm)

200 papers

We report low temperature specific heat, C, magnetization, M, susceptibility, chi, and electrical resistivity, rho, measurements on high-quality single crystals of the heavy-fermion system YbRh_2(Si_{1-x} Ge_x)_2 (x=0 and 0.05). The undoped…

Strongly Correlated Electrons · Physics 2007-05-23 P. Gegenwart , J. Custers , T. Tayama , K. Tenya , C. Geibel , O. Trovarelli , F. Steglich

The weak itinerant ferromagnet UIr is studied by magnetization and magnetostriction measurements. Critical behavior, which surprisingly extends up to several Tesla, is observed at the Curie temperature $T_C\simeq45$ K and is analyzed using…

Strongly Correlated Electrons · Physics 2010-03-16 W. Knafo , C. Meingast , S. Sakarya , N. H. van Dijk , Y. Huang , H. Rakoto , J. -M. Broto , H. v. Löhneysen

The magnetic properties of ThCr_2Si_2-type single crystals ACo_2Se_2 (A = K, Rb and Cs) have been investigated by magnetic susceptibility and isothermal magnetization measurements at various temperatures. The ferromagnetic phase transition…

Superconductivity · Physics 2013-08-15 Jinhu Yang , Bin Chen , Hangdong Wang , Qianhui Mao , Masaki Imai , Kazuyoshi Yoshimura , Minghu Fang

The low Curie temperature (T_C approx 28K) and small ordered moment (M_0 approx 0.17 mu_B f.u.^-1) of ZrZn2 make it one of the few examples of a weak itinerant ferromagnet. We report results of susceptibility, magnetization, resistivity and…

Strongly Correlated Electrons · Physics 2009-11-11 E. A. Yelland , S. J. C. Yates , O. Taylor , A. Griffiths , S. M. Hayden , A. Carrington

Measurements of electrical resistivity ($\rho$), DC magnetization ($M$) and specific heat ($C$) have been performed on layered oxide Li$_x$CoO$_2$ (0.25$\leq$$x$$\leq$0.99) using single crystal specimens. The $\rho$ versus temperature ($T$)…

Strongly Correlated Electrons · Physics 2015-05-19 K. Miyoshi , C. Iwai , H. Kondo , M. Miura , S. Nishigori , J. Takeuchi

By high temperature series expansion, exact diagonalisation and temperature density-matrix renormalisation the magnetic susceptibility $\chi(T)$ and the specific heat $C(T)$ of dimerised and frustrated $S=1/2$ chains are computed. All three…

Statistical Mechanics · Physics 2009-11-07 Alexander Bühler , Ute Löw , Götz S. Uhrig

Single crystals of Ca[Co_(2-x)Ir_(x)]_(2-y)As2 with 0 <= x <= 0.35 and 0.10 <= y <= 0.14 have been grown using the self-flux technique and characterized by single-crystal x-ray diffraction (XRD), energy-dispersive x-ray spectroscopy,…

Strongly Correlated Electrons · Physics 2020-07-15 Santanu Pakhira , N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. Johnston

We present the results of susceptibility \chi(T) and magnetisation M(H) measurements performed on single crystal samples of the rare-earth oxides SrLn2O4 (Ln = Er, Dy and Ho). The measurements reveal the presence of magnetic ordering…

Strongly Correlated Electrons · Physics 2012-01-17 Thomas J. Hayes , Olga Young , Geetha Balakrishnan , Oleg A. Petrenko

Within the RCo$_2$ family of compounds, a structural distortion linked with the onset of magnetic ordering around the critical temperature can be observed. One of the less explored RCo$_2$ compounds is TmCo$_2$ probably due to its low Curie…

Materials Science · Physics 2020-04-07 J. Šebesta , D. Kriegner , J. Prchal

We report on neutron diffraction, thermal expansion, magnetostriction, dielectric, and specific heat measurements on polycrystalline FeCr2S4 in external magnetic fields. The ferrimagnetic ordering temperatures $T_{\mathrm{C}}\approx 170$ K…

We use x-ray absorption spectroscopy as well as its linear and circular magnetic dichroisms to characterize relevant interactions and energy scales in the surface intermetallic CePt$_5$/Pt(111). The experiments provide insight into crystal…

Strongly Correlated Electrons · Physics 2017-03-15 Christian Praetorius , Kai Fauth

Thermally driven transitions between ferromagnetic and paramagnetic phases are characterized by critical behavior with divergent susceptibilities, long-range correlations, and spin dynamics that can span kHz to GHz scales as the material…

The subtle interplay of randomness and quantum fluctuations at low temperatures gives rise to a plethora of unconventional phenomena in systems ranging from quantum magnets and correlated electron materials to ultracold atomic gases.…

Disordered Systems and Neural Networks · Physics 2014-01-15 L. Demko , S. Bordacs , T. Vojta , D. Nozadze , F. Hrahsheh , C. Svoboda , B. Dora , H. Yamada , M. Kawasaki , Y. Tokura , I. Kezsmarki

The thermodynamic properties of the ferromagnetic perovskite YTiO$_3$ are investigated by thermal expansion, magnetostriction, specific heat, and magnetization measurements. The low-temperature spin-wave contribution to the specific heat,…

Strongly Correlated Electrons · Physics 2009-03-15 W. Knafo , C. Meingast , H. v. Löhneysen , A. V. Boris , P. Popovich , N. N. Kovaleva , P. Yordanov , A. Maljuk , R. K. Kremer , B. Keimer

We present magnetic susceptibility, resistivity, specific heat, and thermoelectric power measurements on (Ce$_{1-x}$La$_x$)Cu$_2$Ge$_2$ single crystals (0 $\leq x\leq$ 1). With La substitution, the antiferromagnetic temperature $T_N$ is…

Strongly Correlated Electrons · Physics 2015-09-01 H. Hodovanets , S. L. Bud'ko , W. E. Straszheim , V. Taufour , E. D. Mun , H. Kim , R. Flint , P. C. Canfield

A new ternary intermetallic compound $\mathrm{Pr_2Rh_2Ga}$ was synthesized by arc-melting and was characterized by powder X-ray diffraction (PXRD), magnetization, heat capacity $\mathrm{C}_p(\textit{T})$, and electrical resistivity…

Materials Science · Physics 2021-03-10 Baidyanath Sahu

Geometrical frustration and spin-orbit coupling effect together play vital role to influence properties in pyrochlore based iridium oxides. Here we have investigated detailed structural, magnetic, thermodynamic and transport properties of…

Strongly Correlated Electrons · Physics 2017-02-06 Harish Kumar , A. K. Pramanik

Using the spectroscopies based upon x-ray absorption, we have studied the structural and magnetic properties of Zn$_{1-x}$Co$_{x}$O films ($x$ = 0.1 and 0.25) produced by reactive magnetron sputtering. These films show ferromagnetism with a…

We present a data set of calculated Curie temperatures for the main-phase compounds of rare-earth permanent magnets. We employ ab initio electronic structure calculations for the itinerant ferromagnetism and an effective spin model for the…

Materials Science · Physics 2020-04-28 Munehisa Matsumoto , Hisazumi Akai

Dynamic magnetic susceptibility, $\chi$, was studied in several intermetallic materials exhibiting ferromagnetic, antiferromagnetic and metamagnetic transitions. Precise measurements by using a 14 MHz tunnel diode oscillator (TDO) allow…

Strongly Correlated Electrons · Physics 2009-02-02 M. D. Vannette , A. Safa-Sefat , S. Jia , S. A. Law , G. Lapertot , S. L. Bud'ko , P. C. Canfield , J. Schmalian , R. Prozorov