English
Related papers

Related papers: Unlocking high coercivity at room temperature in p…

200 papers

We present the fabrication of metallic magnetic nanowires using a low temperature chemical process. We show that pressed powders and magnetically oriented samples exhibit a very high coercivity (6.5 kOe at 140 K and 4.8 kOe at 300 K). We…

Materials Science · Physics 2007-11-14 T. Maurer , F. Ott , G. Chaboussant , Y. Soumare , J. -Y. Piquemal , G. Viau

The temperature dependence of 2D magnetoresistance in an applied in-plane magnetic field is theoretically considered for electrons in Si MOSFETs within the screening theory for long-range charged impurity scattering limited carrier…

Disordered Systems and Neural Networks · Physics 2007-10-09 S. Das Sarma , E. H. Hwang

Two-dimensional (2D) van der Waals (vdW) magnets are crucial for ultra-compact spintronics. However, so far, no vdW crystal has exhibited tunable above-room-temperature intrinsic ferromagnetism in the 2D ultrathin regime. Here, we report…

Materials Science · Physics 2024-09-06 Gaojie Zhang , Jie Yu , Hao Wu , Li Yang , Wen Jin , Bichen Xiao , Wenfeng Zhang , Haixin Chang

The coexistence of high-temperature intrinsic ferromagnetic ordering, large magnetic anisotropy, along with novel mechanical properties such as ferroelasticity and flexibility, in experimental feasible two-dimensional (2D) crystals is…

Mesoscale and Nanoscale Physics · Physics 2025-11-21 Xinyuan Huang , Yueqiao Qu , Yu Liao , Qian Zheng , Ran Liu , Yu Chen , Liang Liu , Junzhong Wang , Gang Yao

Molybdenum disulphide, a diamagnetic layered dichalcogenide solid, is found to show magnetic ordering at room temperature when exposed to a 2 MeV proton beam. The temperature dependence of magnetization displays ferrimagnetic behavior with…

To broaden the scope of van der Waals 2D magnets, we report the synthesis and magnetism of covalent 2D magnetic Cr$_2$Te$_3$ with a thickness down to one-unit-cell. The 2D Cr$_2$Te$_3$ crystals exhibit robust ferromagnetism with a Curie…

Two dimensional (2D) materials such as graphene and transition metal dichalcogenides (TMDC) have received extensive research interests and investigations in the past decade. In this research, we report the first experimental measurement of…

Materials Science · Physics 2024-12-10 Jun Liu , Mengqi Fang , Eui-Hyeok Yang , Xian Zhang

Dilute magnetic semiconductors, achieved through substitutional doping of spin-polarized transition metals into semiconducting systems, enable experimental modulation of spin dynamics in ways that hold great promise for novel…

We synthesized pure and Co-doped (6.25 12.5 at.) ZrO$_2$ nanopowders in order to study their magnetic properties.We analyzed magnetic behavior as a function of the amount of Co and the oxygenation, which was controlled by low pressure…

2D ferromagnets offer valuable insights into the fundamentals of magnetism and stimulate the progress of ultracompact spintronics. The demand for seamless integration of the materials with the Si technology, particularly helpful to their…

Magnetic nanomaterials (23-43 nm) of Cu$_x$Co$_{1-x}$Fe$_2$O$_4$\ (x = 0.0, 0.5 and 1.0) were synthesized by auto combustion method. The crystallite sizes of these materials were calculated from X-ray diffraction peaks. The band observed in…

Materials Science · Physics 2011-11-22 S. Muthurani , M. Balaji , Sanjeev Gautam , Keun Hwa Chae , J. H. Song , D. Pathinettam Padiyan , K. Asokan

We investigate magnetic, thermal, and dielectric properties of SrCuTe2O6, which is isostructural to PbCuTe2O6, a recently found, Cu-based 3D frustrated magnet with a corner sharing triangular spin network having dominant first and second…

Strongly Correlated Electrons · Physics 2016-03-16 B. Koteswararao , S. K. Panda , R. Kumar , Kyongjun Yoo , A. V. Mahajan , I. Dasgupta , B. H. Chen , Kee Hoon Kim , F. C. Chou

Two-Dimensional (2D) transition metal dichalcogenides (TMDs) have been the subject of extensive attention thanks to their unique properties and atomically thin structure. Because of its unprecedented room-temperature magnetic properties,…

Materials Science · Physics 2024-12-10 Elham Easy , Mengqi Fang , Mingxing Li , Eui-Hyeok Yang , Xian Zhang

The origin of room temperature (RT) ferromagneticlike behavior in ZnO-based diluted magnetic semiconductors is still an unclear topic. The present work concentrates on the appearance of RT magnetic moments in just mixed ZnO/Co3O4 mixtures…

The temperature dependence of the response of a magnetic system to an applied field can be understood qualitatively by considering variations in the energy surface characterizing the system and estimated quantitatively with rate theory. In…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 M. Moskalenko , P. F. Bessarab , V. M. Uzdin , Hannes Jónsson

Magnetoelectric mutual control in multiferroics, which is the electric control of magnetization, or reciprocally the magnetic control of polarization has attracted much attention because of its possible applications to spintronic devices,…

Materials Science · Physics 2024-05-10 Shimon Tajima , Hidetoshi Masuda , Yoichi Nii , Shojiro Kimura , Yoshinori Onose

MoS2 atomic layers have recently attracted much interest because of their two-dimensional structure as well as tunable optical, electrical, and mechanical properties for next generation electronic and electro-optical devices. Here we have…

Materials Science · Physics 2016-11-15 Chih-Shan Tan , Yu-Jung Lu , Chun-Chi Chen , Pei-Hsuan Liu , Shangjr Gwo , Guang-Yu Guo , Lih-Juann Chen

The magnetic properties of NiTa$_2$O$_6$ were investigated by magnetic susceptibility, specific heat, electron paramagnetic resonance, neutron powder diffraction and pulse field magnetization measurements. Accompanying \textit{ab initio}…

Strongly Correlated Electrons · Physics 2015-06-18 J. M. Law , H. -J. Koo , M. -H. Whangbo , E. Bruecher , V. Pomjakushin , R. K. Kremer

The magnetism of the second antiferromagnetic phase (AF2) arising in the iron-based LaFeAsO$_{1-x}$H$_{x}$ superconductor for $x\gtrsim0.4$ was investigated by muon spin rotation measurements under hydrostatic pressure up to 2.6 GPa. The…

Strongly Correlated Electrons · Physics 2020-05-13 M. Hiraishi , K. M. Kojima , H. Okabe , S. Takeshita , A. Koda , R. Kadono , R. Khasanov , S. Iimura , S. Matsuishi , H. Hosono

Semiconducting monolayer of 2D material are able to concatenate multiple interesting properties into a single component. Here, by combining opto-mechanical and electronic measurements, we demonstrate the presence of a partial 2H-1T phase…

‹ Prev 1 4 5 6 7 8 10 Next ›