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Korean varsity scientists develop new antiferromagnetic superconducting spin valves

To make the fabrication of spin-triplet superconducting valves easier, a team of researchers led by Assistant Professor Kun-Rok Jeon from the Department of Physics at Chung-Ang University, South Korea, has developed an antiferromagnetic analogue of the spin-triplet supercurrent spin valves. ....

South Korea , Soult Ukpyolsi , Kun Rok Jeon , Department Of Physics At Chung Ang University , Assistant Professor Kun Rok Jeon , Chung Ang University , Nature Nanotechnology , Superconducting Quantum Interference Device , Searchantiferromagnetic Superconducting Spin Valves , Pin Triplet Superconducting Valves , Hat Is Superconductor , Pin Triplet Supercurrent Spin Valves , Berry Curvature , Cooper Pairs , Ntiferromagnetic Material , Chung Ang University ,

Nanotechnology Now - Press Release: A new experiment pushes the boundaries of our understanding of topological quantum matter: The behavior of bosonic particles observed in a magnetic insulator fabricated from ruthenium chloride can be explained by a relatively new and little-studied physics phenomenon called the B

Nanotechnology Now - Press Release: A new experiment pushes the boundaries of our understanding of topological quantum matter: The behavior of bosonic particles observed in a magnetic insulator fabricated from ruthenium chloride can be explained by a relatively new and little-studied physics phenomenon called the B
nanotech-now.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nanotech-now.com Daily Mail and Mail on Sunday newspapers.

George Jackeli , Peter Czajka , Giniyat Khailyulin , Alexei Kitaev , Catherine Zandonella , Michael Berry , Yuji Matsuda , Phil Anderson , Ettore Majorana , Purdue University , University Of Tennessee , California Institute Of Technology Caltech , Us Department Of Energy , Division Of Materials Research , University Of Bristol , Wave Inc , Home Press , Directorate For Mathematical Physical Sciences , Research Awards Scholarships Gifts Contests Honors Records , Kyoto University , Princeton University , Oak Ridge National Laboratories , Max Planck Institute In Stuttgart , Betty Moore Foundation , Tokyo University , Nature Materials ,

"Observation of large intrinsic anomalous Hall conductivity in polycrys" by Wafa Afzal, Zengji Yue et al.

Topological antiferromagnets have a significant role to play in the modern day electronics and spintronics due to the presence of peculiar symmetries and magnetically driven large anomalous transport behaviour. We report the observation of anomalous Hall effect in Mn3Sn polycrystalline thin films deposited on Al2O3 substrate with a large anomalous Hall conductivity of 65 (Ωcm)−1 at 3 K. The Hall and magnetic measurements show a very small hysteresis owing to a weak ferromagnetic moment present in this material. The longitudinal resistivity decreases sufficiently for the thin films as compared to the polycrystalline bulk sample used as the target for the film deposition. The anomalous Hall resistivity and conductivity decreases almost linearly with the increase in the temperature. A negative magnetoresistance is observed for all the measured temperatures with the negative decrease in the magnitude with the increase in temperature. ....

Anomalous Hall Effect , Berry Curvature , Thin Films , Topological Materials , Weyl Semimetals ,