Zobrazeno 1 - 10 of 36 pro vyhledávání: '"J. W. Freeland"'
1
Akademický článek
Large intrinsic anomalous Hall effect in SrIrO3 induced by magnetic proximity effect
Autor: Myoung-Woo Yoo, J. Tornos, A. Sander, Ling-Fang Lin, Narayan Mohanta, A. Peralta, D. Sanchez-Manzano, F. Gallego, D. Haskel, J. W. Freeland, D. J. Keavney, Y. Choi, J. Strempfer, X. Wang, M. Cabero, Hari Babu Vasili, Manuel Valvidares, G. Sanchez-Santolino, J. M. Gonzalez-Calbet, A. Rivera, C. Leon, S. Rosenkranz, M. Bibes, A. Barthelemy, A. Anane, Elbio Dagotto, S. Okamoto, S. G. E. te Velthuis, J. Santamaria, Javier E. Villegas
Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
The anomalous Hall effect (AHE) occurs in ferromagnets caused by intrinsic and extrinsic mechanisms. Here, Yoo et al. report large anomalous Hall conductivity and Hall angle at the interface between a ferromagnet La0.7Sr0.3MnO3 and a semimetallic SrI
Externí odkaz: https://doaj.org/article/25d8fc5573f742d685165bbf638f1573
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2
Akademický článek
Large orbital polarization in nickelate-cuprate heterostructures by dimensional control of oxygen coordination
Autor: Zhaoliang Liao, Elizabeth Skoropata, J. W. Freeland, Er-Jia Guo, Ryan Desautels, Xiang Gao, Changhee Sohn, Ankur Rastogi, T. Zac Ward, Tao Zou, Timothy Charlton, Michael R. Fitzsimmons, Ho Nyung Lee
Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-7 (2019)
In correlated materials, physical properties depend on orbital occupancy and polarization. Here, a way to control the oxygen coordination via dimensionality of superlattices is presented that results in the change of orbital occupancy by 30%, which i
Externí odkaz: https://doaj.org/article/86ef41cdeeac447191f35d5eb3fe1286
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3
Akademický článek
Deterministic and robust room-temperature exchange coupling in monodomain multiferroic BiFeO3 heterostructures
Autor: W. Saenrang, B. A. Davidson, F. Maccherozzi, J. P. Podkaminer, J. Irwin, R. D. Johnson, J. W. Freeland, J. Íñiguez, J. L. Schad, K. Reierson, J. C. Frederick, C. A. F. Vaz, L. Howald, T. H. Kim, S. Ryu, M. v. Veenendaal, P. G. Radaelli, S. S. Dhesi, M. S. Rzchowski, C. B. Eom
Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-8 (2017)
Exchange coupling between ferromagnetic and multiferroic materials is a key to magnetoelectric devices but hard to achieve macroscopically. Here, the authors report room–temperature robust and reproducible magnetoelectric switching in Co/BiFeO3 het
Externí odkaz: https://doaj.org/article/510a57ef1bca426e91b3222a36171d82
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4
Akademický článek
Voltage-controlled interlayer coupling in perpendicularly magnetized magnetic tunnel junctions
Autor: T. Newhouse-Illige, Yaohua Liu, M. Xu, D. Reifsnyder Hickey, A. Kundu, H. Almasi, Chong Bi, X. Wang, J. W. Freeland, D. J. Keavney, C. J. Sun, Y. H. Xu, M. Rosales, X. M. Cheng, Shufeng Zhang, K. A. Mkhoyan, W. G. Wang
Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-7 (2017)
Exploring electric field controlled magnetism enables high efficiency and low energy consumption spintronic devices. Here, by manipulating oxygen vacancies and magnetic moment, the authors achieve voltage control of magnetic interlayer coupling in Gd
Externí odkaz: https://doaj.org/article/d5d4d778ad84434a8a34dedf768a2867
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5
Akademický článek
Induced Ti magnetization at La0.7Sr0.3MnO3 and BaTiO3 interfaces
Autor: Yaohua Liu, J. Tornos, S. G. E. te Velthuis, J. W. Freeland, H. Zhou, P. Steadman, P. Bencok, C. Leon, J. Santamaria
Publikováno v: APL Materials, Vol 4, Iss 4, Pp 046105-046105-6 (2016)
In artificial multiferroics hybrids consisting of ferromagnetic La0.7Sr0.3MnO3 (LSMO) and ferroelectric BaTiO3 epitaxial layers, net Ti moments are found from polarized resonant soft x-ray reflectivity and absorption. The Ti dichroic reflectivity fol
Externí odkaz: https://doaj.org/article/750f50d6c08348599ff105180243f0ad
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6
Akademický článek
Correlation between Bulk Thermodynamic Measurements and the Low-Temperature-Resistance Plateau in SmB_{6}
Autor: W. A. Phelan, S. M. Koohpayeh, P. Cottingham, J. W. Freeland, J. C. Leiner, C. L. Broholm, T. M. McQueen
Publikováno v: Physical Review X, Vol 4, Iss 3, p 031012 (2014)
Topological insulators are materials characterized by dissipationless, spin-polarized surface states resulting from nontrivial band topologies. Recent theoretical models and experiments suggest that SmB_{6} is the first topological Kondo insulator, i
Externí odkaz: https://doaj.org/article/c7d62e1d24c2428fb5b68556d5a25750
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8
Akademický článek
Interface-engineered hole doping in Sr2IrO4/LaNiO3 heterostructure
Autor: Fangdi Wen, Xiaoran Liu, Qinghua Zhang, M Kareev, B Pal, Yanwei Cao, J W Freeland, A T N’Diaye, P Shafer, E Arenholz, Lin Gu, J Chakhalian
Publikováno v: New Journal of Physics, Vol 21, Iss 10, p 103009 (2019)
The relativistic Mott insulator Sr _2 IrO _4 driven by large spin–orbit interaction is known for the ${J}_{\mathrm{eff}}=1/2$ antiferromagnetic state which closely resembles the electronic structure of parent compounds of superconducting cuprates.
Externí odkaz: https://doaj.org/article/bc30f726e43d4ef8b46a71bf4ddfa237
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