نتایج جستجو برای: ferromagnetic material

تعداد نتایج: 378294  

Journal: :Advanced functional materials 2016
Kyung-In Jang Han Na Jung Jung Woo Lee Sheng Xu Yu Hao Liu Yinji Ma Jae-Woong Jeong Young Min Song Jeonghyun Kim Bong Hun Kim Anthony Banks Jean Won Kwak Yiyuan Yang Dawei Shi Zijun Wei Xue Feng Ungyu Paik Yonggang Huang Roozbeh Ghaffari John A Rogers

This paper introduces a class of ferromagnetic, folded, soft composite material for skin-interfaced electrodes with releasable interfaces to stretchable, wireless electronic measurement systems. These electrodes establish intimate, adhesive contacts to the skin, in dimensionally stable formats compatible with multiple days of continuous operation, with several key advantages over conventional h...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1999

Journal: :Magnetochemistry 2021

In this paper, the behavior of a ferromagnetic material is considered in framework microstructural modeling. The equations describing such magnetic field, are constructed based on minimization total energy with account limitations imposed spontaneous magnetization vector and scalar potential. This conditional extremum problem reduced to unconditional using Lagrange multiplier. A variational (we...

2014
D. Choudhury T. Suzuki Y. Tokura Y. Taguchi

Magnetocaloric effect is the phenomenon that temperature change of a magnetic material is induced by application of a magnetic field. This effect can be applied to environmentally-benign magnetic refrigeration technology. Here we show a key role of magnetic-field-induced structural instability in enhancing the magnetocaloric effect for MnCo(1-x)Zn(x)Ge alloys (x = 0-0.05). The increase in x rap...

1999
C. Bernhard J. L. Tallon Ch. Niedermayer A. Golnik E. Brücher R. K. Kremer D. R. Noakes C. E. Stronach E. J. Ansaldo

Coexistence of ferromagnetism and superconductivity in the hybrid ruthenate-cuprate compound RuSr 2 GdCu 2 O 8 studied by muon spin rotation (µSR) and DC-magnetization Abstract We have investigated the magnetic and the superconducting properties of the hybrid ruthenate-cuprate compound RuSr 2 GdCu 2 O 8 by means of zero-field muon spin rotation-(ZF-µSR) and DC magnetization measurements. The DC...

Journal: :Nature materials 2017
J Y Liu J Hu Q Zhang D Graf H B Cao S M A Radmanesh D J Adams Y L Zhu G F Cheng X Liu W A Phelan J Wei M Jaime F Balakirev D A Tennant J F DiTusa I Chiorescu L Spinu Z Q Mao

Weyl (WSMs) evolve from Dirac semimetals in the presence of broken time-reversal symmetry (TRS) or space-inversion symmetry. The WSM phases in TaAs-class materials and photonic crystals are due to the loss of space-inversion symmetry. For TRS-breaking WSMs, despite numerous theoretical and experimental efforts, few examples have been reported. In this Article, we report a new type of magnetic s...

2003
C. Stark P. M. Shand

Measurements of DC susceptibility, AC susceptibility, and AC susceptibility with an applied DC bias field were performed on mechanically milled GdAl2. A paramagnetic phase exists above a temperature T ≈ 140 K. However, there are significant deviations from the Curie-Weiss Law in this temperature regime, suggesting multiple magnetic components. Fits to the high temperature data show that two Cur...

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