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We study magnetoelectric (magneto-current) effects in a diamond structure under antiferro quadrupole (AFQ) orders. The AFQ orders break the spacial inversion symmetry and cause the current-induced magnetization. The current-induced…

Strongly Correlated Electrons · Physics 2019-06-03 Takayuki Ishitobi , Kazumasa Hattori

Multiscale simulation is a key research tool for the quest for new permanent magnets. Starting with first principles methods, a sequence of simulation methods can be applied to calculate the maximum possible coercive field and expected…

Most canted antiferromagnets are also anomalous Hall antiferromagnets (AHE AFMs), i.e. they have an anomalous Hall response and other responses with the same symmetry requirements. We suggest that AHE AFMs are promising materials as hosts…

Mesoscale and Nanoscale Physics · Physics 2019-02-28 Xiao Li , Allan H. MacDonald , Hua Chen

Permanent magnets are integral components in many of the modern technologies that are critical for the transition to a sustainable society. However, most of the high-performance (BHmax > 100 kJ/m3) permanent magnets that are currently…

Materials Science · Physics 2023-10-04 Cecilia Granados-Miralles , Matilde Saura-Múzquiz , Henrik L. Andersen

Based on high-throughput density functional theory calculations, we have found 49 ferromag-netic cases in FexN1-x (0<x<1) compounds, focusing especially on permanent magnet and giant magnetocaloric effect applications. It is found that 15…

Materials Science · Physics 2025-08-25 Qiang Gao , Ergen Bao , Ijaz Shahid , Hui Ma , Xing-Qiu Chen

We present a hybrid semiconductor-based superconducting qubit device which remains coherent at magnetic fields up to 1 T. The qubit transition frequency exhibits periodic oscillations with magnetic field, consistent with interference…

There is a growing demand for highly-performant memories and memristive technologies for use in in-memory computing. Magnetic tunnel junctions (MTJs) have thus far addressed this need in the field of spintronics. Despite their low write…

Mesoscale and Nanoscale Physics · Physics 2025-05-20 William S. Rogers , Jean Anne C. Incorvia

The physical properties of the antiferroquadrupolar state occurring in TmTe below TQ=1.8 K have been studied using neutron diffraction in applied magnetic fields. A field-induced antiferromagnetic component k = (1/2,1/2,1/2) is observed…

Strongly Correlated Electrons · Physics 2015-06-24 J. M. Mignot , A. Gukasov , C. P. Yang , P. Link , T. Matsumura , T. Suzuki

The explosive growth of artificial intelligence and data-intensive computing has brought crucial challenge to modern information science and technology, i.e. conceptually new devices with superior properties are urgently desired. Memristor…

Materials Science · Physics 2023-09-19 Y. T. Chang , J. F. Wang , W. Wang , C. B. Liu , B. You , M. F. Liu , S. H. Zheng , M. Y. Shi , C. L. Lu , J. -M. Liu

Terahertz driven magnetization dynamics are explored in the orthoferrite DyFeO3. A high-field, single cycle THz pulse is used to excite magnon modes in the crystal together with other resonances. Both quasi-ferromagnetic and…

Materials Science · Physics 2017-06-07 A. H. M. Reid , Th. Rasing , R. V. Pisarev , H. A. Dürr , M. C. Hoffmann

We present a comprehensive review of nuclear magnetic resonance (NMR) studies performed on three nanoscale molecular magnets with different configurations of geometrically frustrated antiferromagnetic (AFM) triangles, new spin frustration…

Strongly Correlated Electrons · Physics 2016-12-21 Yuji Furukawa

MQXC is a Nb-Ti quadrupole designed to meet the accelerator quality requirements needed for the phase-1 LHC upgrade, now superseded by the high luminosity upgrade foreseen in 2021. The 2-m-long model magnet was tested at room temperature…

Asymmetrical Alternate Phase (A-APF) focusing realized in a sequence of 36 Superconducting Quarter Wave Resonators has been shown to accelerate almost 81 % of input Uranium beam before foil stripper to an energy of 6.2 MeV/u from 1.3 MeV/u.…

Accelerator Physics · Physics 2015-06-19 S. Dechoudhury , Alok Chakrabarti , Y -C. Chao

As the demand for compact and efficient power conversion systems increases, piezoelectric power converters have gained attention for their ability to replace bulky magnetic inductors with acoustic resonators, enabling higher power density…

We investigate the magnetization dynamics of $TmFeO_3$ single crystals across the spin-reorientation phase transition using broadband microwave absorption spectroscopy up to 87.5 GHz. Temperature- and magnetic-field-dependent…

The competition between antiferromagnetic (AF) order and singlet formation is a central phenomenon of the Kondo and Periodic Anderson Hamiltonians, and of the heavy fermion materials they describe. In this paper, we explore the effects of…

Strongly Correlated Electrons · Physics 2017-06-21 Wenjian Hu , Richard T. Scalettar , Edwin W. Huang , Brian Moritz

Antiferromagnets naturally exhibit three obvious advantages over ferromagnets for memory device applications: insensitivity to external magnetic fields, much faster spin dynamics (~THz) and higher packing density due to the absence of any…

Mesoscale and Nanoscale Physics · Physics 2019-03-15 Zhiqi Liu , Zexin Feng , Han Yan , Xiaoning Wang , Xiaorong Zhou , Peixin Qin , Huixin Guo , Ronghai Yu , Chengbao Jiang

New accelerator magnet technology based on Nb3Sn superconductor is being developed at Fermilab since late 90's. Six short dipole models, seven short quadrupole models and numerous individual dipole and quadrupole coils have been built and…

Accelerator Physics · Physics 2011-08-10 A. V. Zlobin

The FP7-EuCARD work package 7 (WP7), "HFM: Superconducting High Field Magnets for higher luminosities and energies" is a collaboration between 12 European institutes and firms with the objective of developing high field magnet technology.…

Accelerator Physics · Physics 2011-08-09 Gijs de Rijk

Magnetars are proposed to be peculiar neutron stars which could power their X-ray radiation by super-strong magnetic fields as high as $\gtrsim 10^{14}$ G. However, no direct evidence for such strong fields is obtained till now, and the…

High Energy Astrophysical Phenomena · Physics 2016-01-20 Xue-Yu Xiong , Chun-Yuan Gao , Ren-Xin Xu
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