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As a pinning-controlled permanent magnet, tailoring the cellular nanostructure of samarium-cobalt-based 1:7-type (SmCo-1:7) magnets remains crucial for improving magnetic performance. Jointing forward and inverse machine learning models…

Polycrystalline samples of the Y-diluted antiferromagnet CeNiGe3 (T_N = 5.5 K) and Th-diluted ferromagnet UNiSi2 (T_C = 95 K) were studied by means of x-ray powder diffraction, magnetization and specific heat measurements performed in a…

Strongly Correlated Electrons · Physics 2012-06-21 Adam P. Pikul

By means of two dimensional, general-relativistic, magneto-hydrodynamical simulations we investigate the oscillations of magnetized neutron star models (magnetars) including the description of an extended solid crust. The aim of this study…

High Energy Astrophysical Phenomena · Physics 2012-04-13 Michael Gabler , Pablo Cerdá Durán , Nikolaos Stergioulas , José A. Font , Ewald Müller

The frequency dependence of dielectric constant for composites of polyaniline (PANI) and multi-walled carbon nanotube (MWCNT) with different degree of functionalization is studied at low temperature (down to 4.2 K) and magnetic field (up to…

Disordered Systems and Neural Networks · Physics 2021-09-02 Krishna Prasad Maity , Ananya Patra , Narendra Tanty , V Prasad

Conceptual designs of superconducting magnets for the storage ring of a Muon Collider with a 1.5 TeV c.o.m. energy and an average luminosity of 10 34 cm-2s-1 are presented. All magnets are based on Nb3Sn superconductor and designed to…

Accelerator Physics · Physics 2012-02-02 A. V. Zlobin , Y. I. Alexahin , V. V. Kashikhin , N. V. Mokhov

To realize the full spectrum of advantages that the III-nitride materials system offers, the demonstration of p-channel III-nitride based devices is valuable. Authors report the first p-type field effect transistor (pFET) based on an…

Applied Physics · Physics 2019-12-12 Athith Krishna , Aditya Raj , Nirupam Hatui , Onur Koksaldi , Raina Jang , Stacia Keller , Umesh Mishra

The intrinsically anti-ferromagnetic topological insulator, MnBi$_2$Te$_4$ (MBT), has garnered significant attention recently. The excitement for this layered van der Waals bonded compound stems from its potential to host numerous exotic…

Magneto-caloric effects (MCEs) measurement system in adiabatic condition is proposed to investigate the thermodynamic properties in pulsed magnetic fields up to 55 T. With taking the advantage of the fast field- sweep rate in pulsed field,…

Materials Science · Physics 2019-02-26 T. Kihara , Y. Kohama , Y. Hashimoto , S. Katsumoto , M. Tokunaga

We report on the MBE-growth and magnetotransport properties of p-type BeMnTe, a new ferromagnetic diluted magnetic semiconductor. BeMnTe thin film structures can be grown almost lattice matched to GaAs for Mn concentrations up to 10% using…

Materials Science · Physics 2009-11-07 L. Hansen , D. Ferrand , G. Richter , M. Thierley , V. Hock , N. Schwarz , G. Reuscher , G. Schmidt , A. Waag , L. W. Molenkamp

The thermodynamic and magnetic properties of MnCl3(C12H8N2), have been studied down to 2 K. The material is an S = 2 antiferromagnetic linear chain that undergoes long-range ordering to a canted antiferromagnetic state at 23 K. The…

We investigate weakly coupled spin-1/2 ladders in a magnetic field. The work is motivated by recent experiments on the compound (C5H12N)2CuBr4 (BPCB). We use a combination of numerical and analytical methods, in particular the density…

Identifying equilibrium criticalities and phases from the dynamics of a system, known as a dynamical quantum phase transition (DQPT), is a challenging task when relying solely on local observables. We exhibit that the experimentally…

We investigate weakly coupled spin-1/2 ladders in a magnetic field. The work is motivated by recent experiments on the compound $\mathrm{(C_5H_{12}N)_2CuBr_4}$ (BPCB). We use a combination of numerical and analytical methods, in particular…

Strongly Correlated Electrons · Physics 2012-01-26 Pierre Bouillot

We present the structural and initial magnetic characterization of the previously unreported materials NdPd5Ge3 and NdPd5Ge3. These materials, with 1-dimensional Nd chains, crystallize in the orthorhombic YNi5Si3-type structure in space…

Strongly Correlated Electrons · Physics 2021-09-01 Xin Gui , Robert J. Cava

The application of quadrupole-devices with high field gradients and small apertures requires precise control over higher order multipole field components. We present a new scheme for performance control and tuning, which allows the…

Instrumentation and Detectors · Physics 2009-11-09 S. Becker , M. Bussmann , S. Raith , M. Fuchs , R. Weingartner , P. Kunz , W. Lauth , S. Schramm , M. El Ghazaly , F. Grüner , H. Backe , D. Habs

Improving the performance of superconducting qubits and resonators generally results from a combination of materials and fabrication process improvements and design modifications that reduce device sensitivity to residual losses. One…

Optimizing sensor readout schemes and integrated circuit designs for both open-loop and closed-loop implementations requires precise modeling and simulation strategies. This study introduces a novel two-port impedance model to estimate the…

A miniature ceramic anvil high pressure cell (mCAC) was earlier designed by us for magnetic measurements at pressures up to 7.6 GPa in a commercial superconducting quantum interference (SQUID) magnetometer [N. Tateiwa et al., Rev. Sci.…

Materials Science · Physics 2015-06-11 Naoyuki Tateiwa , Yoshinori Haga , Tatsuma D Matsuda , Zachary Fisk