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The magnetic field dependent phase diagram of the ferroelectric material ${\rm Ho}_{1-x}Y_{x}MnO_{3}$ has been investigated for x = 0, 0.6, and 0.8 for fields directed along both the ab in-plane and c-axis basal plane directions. Dielectric…

强关联电子 · 物理学 2009-11-11 R. Vasic , H. Zhou , E. Jobiliong , C. R. Wiebe , J. S. Brooks

Extensive measurements of the magnetization of superconducting single crystal samples of Ba0.6K0.4BiO3} have been made using SQUID and cantilever force magnetometry at temperatures ranging between 1.3 and 350 K and in magnetic fields from…

超导电性 · 物理学 2009-10-31 Donavan Hall , R. G. Goodrich , C. Grenier , P. Kumar , M. Chaparala , M. Norton

We have investigated the low-temperature magnetism of sodium superoxide (NaO$_{2}$), in which spin, orbital, and lattice degrees of freedom are closely entangled. The magnetic susceptibility shows anomalies at $T_{1}=220$ K and $T_{2}=190$…

Time-dependent Thermoremanent Magnetization (TRM) studies have been instrumental in probing energy dynamics within the spin glass phase. In this paper, we will review the evolution of the TRM experiment over the last half century and…

无序系统与神经网络 · 物理学 2024-11-11 G. G. Kenning , M. Brandt , R. Brake , M. Hepler , D. Tennant

We study fully occupied lattice systems of classical magnetic dipoles which point along random axes. Only dipolar interactions are considered. From tempered Monte Carlo simulations, we obtain numerical evidence that supports the following…

材料科学 · 物理学 2009-03-05 J. F. Fernández

We report magnetization, nuclear magnetic resonance (NMR), nuclear quadrupole resonance (NQR), and transmission electron microscopy (TEM) studies on the quasi-two-dimensional spin-gap system (CuCl)LaNb2O7, a possible candidate for the J1-J2…

强关联电子 · 物理学 2017-12-01 M. Yoshida , N. Ogata , M. Takigawa , J. Yamaura , M. Ichihara , T. Kitano , H. Kageyama , Y. Ajiro , K. Yoshimura

In this paper, specific features of Sm magnetism in an intermetallic compound have been studied. For this purpose, a high-quality single crystal of SmPd2Al3 was grown and subjected to detailed measurements of specific heat, magnetization,…

强关联电子 · 物理学 2010-01-26 J. Pospisil , M. Kratochvilova , J. Prokleska , M. Divis , V. Sechovsky

We have measured the magnetization of rare-earth chiral magnets Yb(Ni$_{1-x}$Cu$_x$)$_{3}$Al$_{9}$ for $x$=0 and 0.06 up to 14.5 T. Magnetization for the field direction $H \parallel c$, which is the hard axis at low temperatures and low…

强关联电子 · 物理学 2022-02-11 D. Ito , T. Matsumura , S. Ohara

Superconducting (SC) gap symmetry and magnetic response of cubic U0.97Th0.03Be13 are studied by means of high-precision heat-capacity and dc magnetization measurements using a single crystal, in order to address the long-standing question…

We have studied the crossover between thermally assisted and pure quantum tunneling in single crystals of high spin (S=10) uniaxial single molecule magnet Mn12-acetate using micro-Hall effect magnetometry. Magnetic hysteresis experiments…

介观与纳米尺度物理 · 物理学 2007-05-23 Louisa Bokacheva , Andrew D. Kent , Marc A. Walters

We study the magnetic properties of a mixed Ising ferrimagnetic system, in which the two interacting sublattices have spins $\sigma$, $(\pm 1/2)$ and spins $S$, $(\pm 3/2,\pm 1/2)$ in the presence of a random crystal field, with the mean…

统计力学 · 物理学 2009-11-13 L. Bahmad , A. Benyoussef , A. El Kenz

We report results of magnetization, specific-heat and muon-spin relaxation measurements on single crystals of disorder-free Yb$^{3+}$ triangular lattice Yb(BaBO$_3$)$_3$. The magnetization experiments show anisotropic magnetic properties…

强关联电子 · 物理学 2022-07-27 C. Y. Jiang , Y. X. Yang , Y. X. Gao , Z. T. Wan , Z. H. Zhu , T. Shiroka , C. S. Chen , Q. Wu , X. Li , J. C. Jiao , K. W. Chen , Y. Bao , Z. M. Tian , L. Shu

Measurements of the electric resistivity $\rho(T)$ under pressure up to 8 GPa were performed on high-quality single-crystals of the Yb-based heavy fermion system $\beta$-YbAlB$_4$ in the temperature range $2<T<$ 300 K. In the resistivity…

强关联电子 · 物理学 2016-12-28 Takahiro Tomita , Kentaro Kuga , Yoshiya Uwatoko , Satoru Nakatsuji

We determine the magnetic phase diagram for the YBa$_2$Cu$_3$O$_{6+x}$ and La$_{2-x}$Sr$_x$CuO$_4$ systems from various NMR experiments. We discuss the possible interpretation of NMR and neutron scattering experiments in these systems in…

凝聚态物理 · 物理学 2009-10-28 V. Barzykin , D. Pines

Motivated by recent studies of the cluster Mott insulator candidate compound Nb3Cl8, this study performs 93Nb and 35Cl nuclear magnetic resonance (NMR) measurements to investigate the electron correlations. Below the structural transition…

强关联电子 · 物理学 2025-03-18 Y. Z. Zhou , X. Han , J. Luo , D. T. Wu , A. F. Fang , B. Shen , B. J. Feng , Y. G. Shi , J. Yang , R. Zhou

Heat capacity and susceptibility measurements have been performed on the diluted spin dimer compound Ba3(Mn1-xVx)2O8. The parent compound Ba3Mn2O8 is a spin dimer system based on pairs of antiferromagnetically coupled S = 1, 3d2 Mn5+ ions…

强关联电子 · 物理学 2015-03-17 E. C. Samulon , M. C. Shapiro , I. R. Fisher

We have thoroughly investigated the entire magnetic states of under doped ferromagnetic insulating manganite Nd0.8Sr0.2MnO3 through temperature dependent linear and non linear complex ac magnetic susceptibility measurements. This…

强关联电子 · 物理学 2015-05-19 S. Kundu , T. K. Nath

Magnetic properties of polycrystalline samples of RuSr$_2$(Gd$_{1.5}$Ce$_{0.5}$)Cu$_{2}$O$_{10-\delta}$, as-prepared (by solid-state reaction) and annealed (12 hours at 845$^{\circ}$C) in pure oxygen at different pressure (30, 62 and 78…

强关联电子 · 物理学 2009-10-24 B. I. Belevtsev , V. B. Krasovitsky , D. G. Naugle , K. D. D. Rathnayaka , G. Agnolet , I. Felner

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…

For the first time, magnetization of high-Tc samples with different crystalline structure and its isothermal relaxation is studied at very weak constant fields (H <= 0.1 Oe) for temperatures close to the critical ones. Essential influence…

超导电性 · 物理学 2009-11-11 V. P. Timofeev , A. N. Omelyanchouk