Search Results - "Upadhyaya, Pramey"

Room-Temperature Skyrmion Shift Device for Memory Application by Yu, Guoqiang, Upadhyaya, Pramey, Shao, Qiming, Wu, Hao, Yin, Gen, Li, Xiang, He, Congli, Jiang, Wanjun, Han, Xiufeng, Amiri, Pedram Khalili, Wang, Kang L

“…Magnetic skyrmions are intensively explored for potential applications in ultralow-energy data storage and computing. To create practical skyrmionic memory…”
Get full text

Control and local measurement of the spin chemical potential in a magnetic insulator by Du, Chunhui, van der Sar, Toeno, Zhou, Tony X., Upadhyaya, Pramey, Casola, Francesco, Zhang, Huiliang, Onbasli, Mehmet C., Ross, Caroline A., Walsworth, Ronald L., Tserkovnyak, Yaroslav, Yacoby, Amir

“…The spin chemical potential characterizes the tendency of spins to diffuse. Probing this quantity could provide insight into materials such as magnetic…”
Get full text

Magnetization switching through giant spin–orbit torque in a magnetically doped topological insulator heterostructure by Fan, Yabin, Upadhyaya, Pramey, Kou, Xufeng, Lang, Murong, Takei, So, Wang, Zhenxing, Tang, Jianshi, He, Liang, Chang, Li-Te, Montazeri, Mohammad, Yu, Guoqiang, Jiang, Wanjun, Nie, Tianxiao, Schwartz, Robert N., Tserkovnyak, Yaroslav, Wang, Kang L.

“…Recent demonstrations of magnetization switching induced by in-plane current in heavy metal/ferromagnetic heterostructures (HMFHs) have drawn great attention…”
Get full text

Temperature dependence of the voltage-controlled perpendicular anisotropy in nanoscale MgO|CoFeB|Ta magnetic tunnel junctions by Alzate, Juan G., Khalili Amiri, Pedram, Yu, Guoqiang, Upadhyaya, Pramey, Katine, Jordan A., Langer, Juergen, Ocker, Berthold, Krivorotov, Ilya N., Wang, Kang L.

“…In this work, we experimentally study the temperature dependence of the perpendicular magnetic anisotropy (PMA) and of the voltage-controlled magnetic…”
Get full text

High-Contrast Plasmonic-Enhanced Shallow Spin Defects in Hexagonal Boron Nitride for Quantum Sensing by Gao, Xingyu, Jiang, Boyang, Llacsahuanga Allcca, Andres E, Shen, Kunhong, Sadi, Mohammad A, Solanki, Abhishek B, Ju, Peng, Xu, Zhujing, Upadhyaya, Pramey, Chen, Yong P, Bhave, Sunil A, Li, Tongcang

“…The recently discovered spin defects in hexagonal boron nitride (hBN), a layered van der Waals material, have great potential in quantum sensing. However, the…”
Get full text

Electric-field-induced spin wave generation using multiferroic magnetoelectric cells by Cherepov, Sergiy, Khalili Amiri, Pedram, Alzate, Juan G., Wong, Kin, Lewis, Mark, Upadhyaya, Pramey, Nath, Jayshankar, Bao, Mingqiang, Bur, Alexandre, Wu, Tao, Carman, Gregory P., Khitun, Alexander, Wang, Kang L.

“…In this work, we report on the demonstration of voltage-driven spin wave excitation, where spin waves are generated by multiferroic magnetoelectric (ME) cell…”
Get full text

Blowing magnetic skyrmion bubbles by Jiang, Wanjun, Upadhyaya, Pramey, Zhang, Wei, Yu, Guoqiang, Jungfleisch, M. Benjamin, Fradin, Frank Y., Pearson, John E., Tserkovnyak, Yaroslav, Wang, Kang L., Heinonen, Olle, te Velthuis, Suzanne G. E., Hoffmann, Axel

“…The formation of soap bubbles from thin films is accompanied by topological transitions. Here we show how a magnetic topological structure, a skyrmion bubble,…”
Get full text

Switching of perpendicular magnetization by spin–orbit torques in the absence of external magnetic fields by Yu, Guoqiang, Upadhyaya, Pramey, Fan, Yabin, Alzate, Juan G., Jiang, Wanjun, Wong, Kin L., Takei, So, Bender, Scott A., Chang, Li-Te, Jiang, Ying, Lang, Murong, Tang, Jianshi, Wang, Yong, Tserkovnyak, Yaroslav, Amiri, Pedram Khalili, Wang, Kang L.

“…Magnetization switching by current-induced spin–orbit torques is of great interest due to its potential applications in ultralow-power memory and logic…”
Get full text

Current-induced spin-orbit torque switching of perpendicularly magnetized Hf|CoFeB|MgO and Hf|CoFeB|TaOx structures by Akyol, Mustafa, Yu, Guoqiang, Alzate, Juan G., Upadhyaya, Pramey, Li, Xiang, Wong, Kin L., Ekicibil, Ahmet, Khalili Amiri, Pedram, Wang, Kang L.

“…We study the effect of the oxide layer on current-induced perpendicular magnetization switching properties in Hf|CoFeB|MgO and Hf|CoFeB|TaOx tri-layers. The…”
Get full text

Electric-field control of spin–orbit torque in a magnetically doped topological insulator by Fan, Yabin, Kou, Xufeng, Upadhyaya, Pramey, Shao, Qiming, Pan, Lei, Lang, Murong, Che, Xiaoyu, Tang, Jianshi, Montazeri, Mohammad, Murata, Koichi, Chang, Li-Te, Akyol, Mustafa, Yu, Guoqiang, Nie, Tianxiao, Wong, Kin L., Liu, Jun, Wang, Yong, Tserkovnyak, Yaroslav, Wang, Kang L.

“…Electric-field manipulation of magnetic order has proved of both fundamental and technological importance in spintronic devices. So far, electric-field control…”
Get full text

Effect of the oxide layer on current-induced spin-orbit torques in Hf|CoFeB|MgO and Hf|CoFeB|TaOx structures by Akyol, Mustafa, Alzate, Juan G., Yu, Guoqiang, Upadhyaya, Pramey, Wong, Kin L., Ekicibil, Ahmet, Khalili Amiri, Pedram, Wang, Kang L.

“…We study the effect of the oxide layer on the current-induced spin-orbit torques (SOTs) in perpendicularly magnetized Hf|CoFeB|MgO (MgO-capped) or…”
Get full text

Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films by Shao, Qiming, Tang, Chi, Yu, Guoqiang, Navabi, Aryan, Wu, Hao, He, Congli, Li, Junxue, Upadhyaya, Pramey, Zhang, Peng, Razavi, Seyed Armin, He, Qing Lin, Liu, Yawen, Yang, Pei, Kim, Se Kwon, Zheng, Cheng, Liu, Yizhou, Pan, Lei, Lake, Roger K., Han, Xiufeng, Tserkovnyak, Yaroslav, Shi, Jing, Wang, Kang L.

“…Magnetic insulators (MIs) attract tremendous interest for spintronic applications due to low Gilbert damping and the absence of Ohmic loss. Spin-orbit torques…”
Get full text

Proximity Induced High-Temperature Magnetic Order in Topological Insulator - Ferrimagnetic Insulator Heterostructure by Lang, Murong, Montazeri, Mohammad, Onbasli, Mehmet C, Kou, Xufeng, Fan, Yabin, Upadhyaya, Pramey, Yao, Kaiyuan, Liu, Frank, Jiang, Ying, Jiang, Wanjun, Wong, Kin L, Yu, Guoqiang, Tang, Jianshi, Nie, Tianxiao, He, Liang, Schwartz, Robert N, Wang, Yong, Ross, Caroline A, Wang, Kang L

“…Introducing magnetic order in a topological insulator (TI) breaks time-reversal symmetry of the surface states and can thus yield a variety of interesting…”
Get full text

Electric-Field Control of Spin-Orbit Interaction for Low-Power Spintronics by Wang, Kang L., Kou, Xufeng, Upadhyaya, Pramey, Fan, Yabin, Shao, Qiming, Yu, Guoqiang, Amiri, Pedram Khalili

“…Spintronics is regarded as a promising solution for resolving the major challenging issues related to the scaling of Si-based complementary…”
Get full text

Thermally stable voltage-controlled perpendicular magnetic anisotropy in Mo|CoFeB|MgO structures by Li, Xiang, Yu, Guoqiang, Wu, Hao, Ong, P. V., Wong, Kin, Hu, Qi, Ebrahimi, Farbod, Upadhyaya, Pramey, Akyol, Mustafa, Kioussis, Nicholas, Han, Xiufeng, Khalili Amiri, Pedram, Wang, Kang L.

“…We study voltage-controlled magnetic anisotropy (VCMA) and other magnetic properties in annealed Mo|CoFeB|MgO layered structures. The interfacial perpendicular…”
Get full text

Magneto-optical investigation of spin–orbit torques in metallic and insulating magnetic heterostructures by Montazeri, Mohammad, Upadhyaya, Pramey, Onbasli, Mehmet C., Yu, Guoqiang, Wong, Kin L., Lang, Murong, Fan, Yabin, Li, Xiang, Khalili Amiri, Pedram, Schwartz, Robert N., Ross, Caroline A., Wang, Kang L.

“…Manipulating magnetism by electric current is of great interest for both fundamental and technological reasons. Much effort has been dedicated to spin–orbit…”
Get full text

Competing Weak Localization and Weak Antilocalization in Ultrathin Topological Insulators by Lang, Murong, He, Liang, Kou, Xufeng, Upadhyaya, Pramey, Fan, Yabin, Chu, Hao, Jiang, Ying, Bardarson, Jens H, Jiang, Wanjun, Choi, Eun Sang, Wang, Yong, Yeh, Nai-Chang, Moore, Joel, Wang, Kang L

“…We demonstrate evidence of a surface gap opening in topological insulator (TI) thin films of (Bi0.57Sb0.43)2Te3 below six quintuple layers through transport…”
Get full text

Emergence of electric-field-tunable interfacial ferromagnetism in 2D antiferromagnet heterostructures by Cheng, Guanghui, Rahman, Mohammad Mushfiqur, He, Zhiping, Allcca, Andres Llacsahuanga, Rustagi, Avinash, Stampe, Kirstine Aggerbeck, Zhu, Yanglin, Yan, Shaohua, Tian, Shangjie, Mao, Zhiqiang, Lei, Hechang, Watanabe, Kenji, Taniguchi, Takashi, Upadhyaya, Pramey, Chen, Yong P.

“…Van der Waals (vdW) magnet heterostructures have emerged as new platforms to explore exotic magnetic orders and quantum phenomena. Here, we study…”
Get full text

Current-driven perpendicular magnetization switching in Ta/CoFeB/[TaOx or MgO/TaOx] films with lateral structural asymmetry by Yu, Guoqiang, Chang, Li-Te, Akyol, Mustafa, Upadhyaya, Pramey, He, Congli, Li, Xiang, Wong, Kin L., Amiri, Pedram Khalili, Wang, Kang L.

“…We study the current-driven perpendicular magnetization switching in Ta/CoFeB(wedge)/[TaOx or MgO/TaOx] devices with a lateral structural asymmetry introduced…”
Get full text

Direct imaging of thermally driven domain wall motion in magnetic insulators by Jiang, Wanjun, Upadhyaya, Pramey, Fan, Yabin, Zhao, Jing, Wang, Minsheng, Chang, Li-Te, Lang, Murong, Wong, Kin L, Lewis, Mark, Lin, Yen-Ting, Tang, Jianshi, Cherepov, Sergiy, Zhou, Xuezhi, Tserkovnyak, Yaroslav, Schwartz, Robert N, Wang, Kang L

“…Thermally induced domain wall motion in a magnetic insulator was observed using spatiotemporally resolved polar magneto-optical Kerr effect microscopy. The…”
Get full text