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相关论文: Anisotropic transverse magnetoresistivity in alpha…

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$\alpha$-YbAlB$_4$ is the locally isostructural polymorph of $\beta$-YbAlB$_4$, the first example of an Yb-based heavy fermion superconductor which exhibits pronounced non-Fermi-liquid behavior above $T_{\rm c}$. Interestingly, both…

强关联电子 · 物理学 2015-05-28 Yosuke Matsumoto , K. Kuga , T. Tomita , Y. Karaki , S. Nakatsuji

$\beta$-YbAlB$_4$ is the first Yb-based heavy fermion superconductor with $T_{\rm c} = 80$ mK. We measured low temperature magnetization of high-purity single crystals down to $T=$ 25 mK. The measurements have revealed a considerable amount…

强关联电子 · 物理学 2015-10-28 Y. Matsumoto , K. Kuga , Y. Karaki , T. Tomita , S. Nakatsuji

The extremely large transverse magnetoreistance (the magnetoresistant ratio $\sim 1.3\times10^5\%$ in 2 K and 9 T field, and $4.3\times 10^6\%$ in 0.4 K and 32 T field, without saturation), and the metal-semiconductor crossover induced by…

材料科学 · 物理学 2015-01-07 Kefeng Wang , D. Graf , Lijun Li , C. Petrovic

Single phase multiferroics in which ordered magnetic and ferroelectricity coexist, are of great interest for new multifunctional devices, and among them Y-type hexaferrites are good candidates. Transverse susceptibility measurements, which…

材料科学 · 物理学 2024-03-03 P. Hernández-Gómez , D. Martín-González , C. Torres , J. M. Muñoz

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

The anisotropic physical properties of single crystals of orthorhombic PtSn4 are reported for magnetic fields up to 140 kOe, applied parallel and perpendicular to the crystallographic b-axis. The magnetic susceptibility has an approximately…

We report on transport and magnetic measurements between 1.8 and 400 K on single crystalline YbNi4P2, which was recently reported to be a heavy fermion system with a low lying ferromagnetic transition at T_C=0.17 K, based on data from…

强关联电子 · 物理学 2012-12-19 Cornelius Krellner , Christoph Geibel

We present magnetization, specific heat, and 27Al NMR investigations on YbFe2Al10 over a wide range in temperature and magnetic field. The magnetic susceptibility at low temperatures is strongly enhanced at weak magnetic fields, accompanied…

强关联电子 · 物理学 2014-11-24 P. Khuntia , P. Peratheepan , A. Strydom , Y. Utsumi , K. -T. Ko , K. -D. Tsuei , L. H. Tjeng , F. Steglich , M. Baenitz

The electric resistivity $\rho(T)$ under hydrostatic pressure up to 8 GPa was measured above 2 K using a high-quality single crystal of the Yb-based heavy fermion system $\beta$-YbAlB$_4$. We found pressure-induced magnetic ordering above…

强关联电子 · 物理学 2015-06-23 Takahiro Tomita , Kentaro Kuga , Yoshiya Uwatoko , Satoru Nakatsuji

Anisotropic magneto-transport measurements are reported on Fe1/4TaS2 single crystals grown by vapor transport. Both the magnetization and resistivity are extremely anisotropic, with the magnetic moments aligned parallel to the c…

强关联电子 · 物理学 2007-05-23 E. Morosan , H. W. Zandbergen , Lu Li , Minhyea Lee , J. G. Checkelsky , M. Heinrich , T. Siegrist , N. P. Ong , R. J. Cava

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

Rare earth/transition metal (RE/TM) multilayers with perpendicular magnetic anisotropy are key ingredients for the development of spintronic applications. Their compensation temperature depends on the ratio of the thicknesses of rare earth…

Here we provide the first clear evidence of Fermi-liquid breakdown in an intermediate valence system. We employ high precision magnetization measurements of the valence fluctuating superconductor beta-YbAlB4 to probe the quantum critical…

强关联电子 · 物理学 2014-03-21 Yosuke Matsumoto , S. Nakatsuji , K. Kuga , Y. Karaki , Y. Shimura , T. Sakakibara , A. H. Nevidomskyy , P. Coleman

Orthorhombic single crystals of TbMn0.5Fe0.5O3 are found to exhibit spin-reorientation, magnetization reversal and weak ferromagnetism. Strong anisotropy effects are evident in the temperature dependent magnetization measurements along the…

High-quality single crystals of the half-Heusler compound DyNiSb were investigated for their low temperature thermodynamic and magnetotransport properties. Magnetic susceptibility, heat capacity, and electrical resistivity measurements…

We have investigated the anisotropy of the magnetoresistance in the Pr-based HF compound PrFe4P12. The large anisotropy of effective mass and its strong field dependence have been confirmed by resistivity measurements. Particularly for…

强关联电子 · 物理学 2009-11-13 H. Sugawara , E. Kuramochi , T. Namiki , T. D. Matsuda , Y. Aoki , H. Sato

The Hall resistance was measured by the van der Pauw method on $YBa_2Cu_3O_x$ samples in magnetic fields up to 5 T. In region from 0 to 0.2 T the part of the resistance due to transversal electric field, which is even in magnetic field has…

超导电性 · 物理学 2007-05-23 I. Janeček , P. Vašek

Resistivity measurements of a few-layer black phosphorus (bP) crystal in parallel magnetic fields up to 45 T are reported as a function of the angle between the in-plane field and the source-drain (S-D) axis of the device. The…

We report on a contrasting behavior of the in-plane and out-of-plane magnetoresistance (MR) in heavily underdoped antiferromagnetic (AF) YBa_2Cu_3O_{6+x} (x<0.37). The out-of-plane MR (I//c) is positive over most of the temperature range…

超导电性 · 物理学 2009-10-31 A. N. Lavrov , Yoichi Ando , Kouji Segawa , J. Takeya

We present the high-precision magnetization data of the valence fluctuating heavy fermion superconductor $\beta$-YbAlB$_4$ in a wide temperature range from 0.02 K to 320 K spanning four orders of magnitude. We made detailed analyses of the…

强关联电子 · 物理学 2015-06-22 Yosuke Matsumoto , K. Kuga , Y. Karaki , Y. Shimura , T. Sakakibara , M. Tokunaga , K. Kindo , S. Nakatsuji
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