English
Related papers

Related papers: Efficient water-cooled Bitter-type electromagnet f…

200 papers

We report the magnetic, magnetocaloric, and magnetotransport properties of the semi-Heusler alloy Cu0.85Ni0.15MnSb, which exhibits coexistence of antiferromagnetic (AFM) and ferromagnetic (FM) phases. A broad magnetic phase transition is…

Strongly Correlated Electrons · Physics 2016-03-30 Madhumita Halder , K. G. Suresh , M. D. Mukadam , S. M. Yusuf

We measured the resistivity and magnetic susceptibility to map out the phase diagram of single crystalline NaFe$_{1-x}$Co$_x$As. Replacement of Fe by Co suppresses both the structural and magnetic transition, while enhances the…

Superconductivity · Physics 2012-06-21 A. F. Wang , X. G. Luo , Y. J. Yan , J. J. Ying , Z. J. Xiang , G. J. Ye , P. Cheng , Z. Y. Li , W. J. Hu , X. H. Chen

We show that tubes of melt cast Bi-2212 used as current leads for LTS magnets can also act as efficient magnetic shields. The magnetic screening properties under an axial DC magnetic field are characterized at several temperatures below the…

Superconductivity · Physics 2015-05-19 J-F Fagnard , S Elschner , J Bock , M Dirickx , B Vanderheyden , P Vanderbemden

We report a detailed study of the magnetic properties of CeCo$_{0.85}$Fe$_{0.15}$Si under high magnetic fields (up to 16 Tesla) measuring different physical properties such as specific heat, magnetization, electrical resistivity, thermal…

Strongly Correlated Electrons · Physics 2016-08-03 V. F. Correa , D. Betancourth , J. G. Sereni , N. Caroca-Canales , C. Geibel

The efficiency of evaporative cooling, which is used for the creation of a Bose Einstein condensate, depends strongly on the number of particles at the start of the evaporation. A high efficiency can be reached by filling the…

Atomic Physics · Physics 2009-11-11 K. M. R. van der Stam , A. Kuijk , R. Meppelink , J. M. Vogels , P. van der Straten

The resistivity in the ferromagnetic state of flux-grown La_{2/3}(Pb,Ca)_{1/3}MnO_3 single crystals, measured in magnetic fields up to 7 T, reveals a strong quadratic temperature dependence at and above 50 K. At lower temperatures, this…

Strongly Correlated Electrons · Physics 2009-10-30 M. Jaime , P. Lin , M. B Salamon , P. Han

We study the phase transition of the escape rate of exchange-coupled dimer of single-molecule magnets which are coupled either ferromagnetic ally or antiferromagnetically in a staggered magnetic field and an easy $z$-axis anisotropy. The…

Mesoscale and Nanoscale Physics · Physics 2014-07-03 Solomon Akaraka Owerre , M. B Paranjape

The effect of electron doping on the structural, transport, and magnetic properties of Mn (IV) - rich Ca1-xYxMnO3 (x < 0.2) samples have been investigated using neutron diffraction, neutron depolarization, magnetization and resistivity…

Materials Science · Physics 2016-02-09 Neetika Sharma , A. Das , C. L. Prajapat , Amit Kumar , M. R. Singh

We report the observation of a metal-insulator transition (MIT) in a two- dimensional electron gas (2DEG) in a Si/SiGe heterostructure at zero magnetic field. On going through the MIT we observe the corresponding evolution of the magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 E. B. Olshanetsky , V. Renard , Z. D. Kvon , J. C. Portal , N. J. Woods , J. Zhang , J. J Harris

In the paper, we study the thermodynamic and electromagnetic properties of the Penson-Kolb (PK) model, i.e., the tight-binding model for fermionic particles with the pair-hopping interaction $J$. We focus on the case of repulsive $J$ (i.e.,…

Superconductivity · Physics 2021-11-05 Wojciech R. Czart , Konrad J. Kapcia , Roman Micnas , Stanisław Robaszkiewicz

We have derived the solutions of the relativistic anomalous magnetohydrodynamics with longitudinal Bjorken boost invariance and transverse electromagnetic fields in the presence of temperature or energy density dependent electric…

High Energy Physics - Phenomenology · Physics 2023-05-24 Hao-Hao Peng , Sihao Wu , Ren-jie Wang , Duan She , Shi Pu

A study of dynamic and reversible voltage controlled magnetization switching in ferromagnetic Co/Pt thin film with perpendicular magnetic anisotropy at room temperature is presented. The change in the magnetic properties of the system is…

The parallel magnetic field tuned two-dimensional superconductor-insulator transition has been investigated in ultrathin films of amorphous Bi. The resistance is found to be independent of temperature on both sides of the transition below…

Superconductivity · Physics 2009-11-11 Kevin A. Parendo , K. H. Sarwa B. Tan , A. M. Goldman

We developed a new type of AC microcalorimeter based on a modulated-bath technique for measuring the specific heat of small microgram samples in the temperature range from 30-300 K, and tested it in magnetic fields up to 14 T. The device is…

Other Condensed Matter · Physics 2015-06-25 Rolf Lortz , Satoko Abe , Yuxing Wang , Frederic Bouquet , Ulrich Tutsch , Alain Junod

Centrosymmetric antiferromagnetic semiconductors, although abundant in nature, seem less promising than ferromagnets and ferroelectrics for practical applications in semiconductor spintronics. As a matter of fact, the lack of spontaneous…

Materials Science · Physics 2022-10-31 Hong Jian Zhao , Xinran Liu , Yanchao Wang , Yurong Yang , Laurent Bellaiche , Yanming Ma

We propose a refrigeration scheme in a mesoscopic superconductor-quantum dot hybrid device. The setup can significantly cool down a normal metal coupled to the device by applying a bias voltage across the system. We demonstrate that the…

Mesoscale and Nanoscale Physics · Physics 2023-06-13 Sun-Yong Hwang , Björn Sothmann , David Sanchez

To resolve the effective neutrino mass $m_\beta$ with an energy resolution of 50~meV, the PTOLEMY experiment has proposed a novel transverse electromagnetic filtering process. Substantially reducing the kinetic energy of tritium…

We describe an experimental setup for producing a large cold erbium (Er) sample in a narrow-line magneto-optical trap (MOT) in a simple and efficient way. We implement a pair of angled slowing beams with respect to the Zeeman slower axis,…

Quantum Gases · Physics 2020-07-22 Bojeong Seo , Peng Chen , Ziting Chen , Weijun Yuan , Mingchen Huang , Shengwang Du , Gyu-Boong Jo

We demonstrate that an antiferromagnet can be employed for a highly efficient electrical manipulation of a ferromagnet. In our study we use an electrical detection technique of the ferromagnetic resonance driven by an in-plane ac-current in…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 V. Tshitoyan , C. Ciccarelli , A. P. Mihai , M. Ali , A. C. Irvine , T. A. Moore , T. Jungwirth , A. J. Ferguson