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15 results on '"Shang, Yaxuan"'

6. Field‐Free Switching of Spin Crossbar Arrays by Asymmetric Spin Current Gradient.

Author

Deng, Yongcheng, Li, Weihao, Lan, Xiukai, Zhang, Enze, Li, Runze, Shang, Yaxuan, Liu, Shuai, Li, Baohe, Liu, Xionghua, Zheng, Houzhi, and Wang, Kaiyou

Subjects
CURRENT distribution, EDGE computing, MAGNETIZATION, SPINTRONICS, TORQUE
Abstract

Spin orbit torque (SOT) devices with the advantages of high speed, low power consumption, and high stability have wide application prospects in the field of spintronics. The SOT‐based crossbar array device is an important extension of SOT devices, but it is not reported so far. Here, the all electrical magnetization switching of Hall crossings based on SOT crossbar array devices is realized. Through analyzing the current distribution and micromagnetic simulations, it is found that this field‐free SOT switching in the array devices comes from the asymmetric current density gradient distribution at the Hall‐crossings due to the shunt effect of grid circuits. All electrical tristate magnetization switching and the write protection of spin crossbar array devices are demonstrated. This work will further promote the application of the efficient memory or edge computing based on spin crossbar array devices. [ABSTRACT FROM AUTHOR]

Published
2024
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15. Fabrication and Luminescent Properties of Tb3+ Doped Double Molybdate Phosphors

Author

Guan, Li, Wei, Wei, Guo, Shuqing, Su, Hongxin, Li, Xu, Shang, Yaxuan, Zhiping, Yang, Guo, Qinglin, and Guangsheng, Fu

Abstract

Trivalent terbium (Tb3+) doped double molybdate AGd(MoO4)2(A = Li+, Na+) phosphors have been synthesized by combustion reaction. The crystal structures and luminescent properties of the phosphors are investigated in this paper. The XRD patterns indicate that AGd(MoO4)2:Tb3+ phosphors take on single phase when the precursors are sintered at 700degC for 3 h. The average crystal size is about 2.0 um. LiGd(MoO4)2:Tb3+ and NaGd(MoO4)2:Tb3+ phosphors have the similar luminescent properties. The influences of urea and Tb3+ concentration on the luminescent properties of phosphor samples are also discussed in detail. The results show that Tb3+ activated LiGd(MoO4)2 phosphors is a potential candidate for green phosphor in ultraviolet (UV) -based white LED.

Published
2012

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