Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Pillsbury, Timothy"'
Autor:
Jain, Rakshit, Stanley, Max, Bose, Arnab, Richardella, Anthony R., Zhang, Xiyue S., Pillsbury, Timothy, Muller, David A., Samarth, Nitin, Ralph, Daniel C.
We complete measurements of interconversions among the full triad of thermal gradients, charge currents, and spin currents in the topological insulator Bi$_2$Se$_3$ by quantifying the efficiency with which thermal gradients can generate transverse sp
Externí odkaz:
http://arxiv.org/abs/2210.05636
Autor:
Ou, Yongxi, Yanez, Wilson, Xiao, Run, Stanley, Max, Ghosh, Supriya, Zheng, Boyang, Jiang, Wei, Huang, Yu-Sheng, Pillsbury, Timothy, Richardella, Anthony, Liu, Chaoxing, Low, Tony, Crespi, Vincent H., Mkhoyan, K. Andre, Samarth, Nitin
Publikováno v:
Nature Communications 13, 2972 (2022)
The rapid discovery of two-dimensional (2D) van der Waals (vdW) quantum materials has led to heterostructures that integrate diverse quantum functionalities such as topological phases, magnetism, and superconductivity. In this context, the epitaxial
Externí odkaz:
http://arxiv.org/abs/2107.08599
Autor:
Yanez, Wilson, Ou, Yongxi, Xiao, Run, Koo, Jahyun, Held, Jacob T., Ghosh, Supriya, Rable, Jeffrey, Pillsbury, Timothy, Delgado, Enrique Gonzalez, Yang, Kezhou, Chamorro, Juan, Grutter, Alexander J., Quarterman, Patrick, Richardella, Anthony, Sengupta, Abhronil, McQueen, Tyrel, Borchers, Julie A., Mkhoyan, K. Andre, Yan, Binghai, Samarth, Nitin
Publikováno v:
Phys. Rev. Applied 16, 054031 (2021)
We report spin-to-charge and charge-to-spin conversion at room temperature in heterostructure devices that interface an archetypal Dirac semimetal, Cd3As2, with a metallic ferromagnet, Ni0.80Fe0.20 (permalloy). The spin-charge interconversion is dete
Externí odkaz:
http://arxiv.org/abs/2103.00653
Autor:
Li, Peng, Ding, Jinjun, Zhang, Steven S. -L., Kally, James, Pillsbury, Timothy, Heinonen, Olle G., Rimal, Gaurab, Bi, Chong, DeMann, August, Field, Stuart B., Wang, Weigang, Tang, Jinke, Jiang, J. S., Hoffmann, Axel, Samarth, Nitin, Wu, Mingzhong
Publikováno v:
Nano Letters 2020
A topological insulator (TI) interfaced with a magnetic insulator (MI) may host an anomalous Hall effect (AHE), a quantum AHE, and a topological Hall effect (THE). Recent studies, however, suggest that coexisting magnetic phases in TI/MI heterostruct
Externí odkaz:
http://arxiv.org/abs/2012.09107
Autor:
Liu, Tao, Kally, James, Pillsbury, Timothy, Liu, Chuanpu, Chang, Houchen, Ding, Jinjun, Cheng, Yang, Hilse, Maria, Engel-Herbert, Roman, Richardella, Anthony, Samarth, Nitin, Wu, Mingzhong
This letter reports the modification of magnetism in a magnetic insulator Y3Fe5O12 thin film by topological surface states (TSS) in an adjacent topological insulator Bi2Se3 thin film. Ferromagnetic resonance measurements show that the TSS in Bi2Se3 p
Externí odkaz:
http://arxiv.org/abs/2006.04035
Autor:
Lee, Seng Huat, Zhu, Yanglin, Wang, Yu, Miao, Leixin, Pillsbury, Timothy, Kempinger, Susan, Graf, David, Alem, Nasim, Chang, Cui-Zu, Samarth, Nitin, Mao, Zhiqiang
Publikováno v:
Phys. Rev. Research 1, 012011 (2019)
$\mathrm{MnBi_2Te_4}$ has recently been established as an intrinsic antiferromagnetic (AFM) topological insulator and predicted to be an ideal platform to realize quantum anomalous Hall (QAH) insulator and axion insulator states. We performed compreh
Externí odkaz:
http://arxiv.org/abs/1812.00339
Autor:
Pan, Yu, Wang, Qing-Ze, Yeats, Andrew L., Pillsbury, Timothy, Flanagan, Thomas C., Richardella, Anthony, Zhang, Haijun, Awschalom, David D., Liu, Chao-Xing, Samarth, Nitin
Circularly polarized photons are known to generate a directional helicity-dependent photocurrent in three-dimensional topological insulators at room temperature. Surprisingly, the phenomenon is readily observed at photon energies that excite electron
Externí odkaz:
http://arxiv.org/abs/1706.04296
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