scholarly journals Ferromagnetic layer thickness dependence of the Dzyaloshinskii-Moriya interaction and spin-orbit torques in Pt\Co\AlOx

AIP Advances ◽  
2017 ◽  
Vol 7 (6) ◽  
pp. 065317 ◽  
Author(s):  
R. Lo Conte ◽  
G. V. Karnad ◽  
E. Martinez ◽  
K. Lee ◽  
N.-H. Kim ◽  
...  
Keyword(s):  
Layer Thickness ◽  
Ferromagnetic Layer ◽  
Thickness Dependence ◽  
Spin Orbit ◽  
Moriya Interaction

W layer thickness dependence of the spin–orbit effective fields in NiFe/W bilayers

2021 ◽  
Vol 129 (6) ◽  
pp. 063903
Author(s):  
Shufa Li ◽  
Tao Zhu ◽  
Chunlei Chen ◽  
Hui Wang
Keyword(s):  
Layer Thickness ◽  
Thickness Dependence ◽  
Spin Orbit

Layer Thickness Dependence of Spin Orbit Torques and Fields in Pt/Co/AlO Trilayer Structures.

2014 ◽  
Author(s):  
T. Yang ◽  
M. Kohda ◽  
T. Seki ◽  
K. Takanashi ◽  
J. Nitta
Keyword(s):  
Layer Thickness ◽  
Thickness Dependence ◽  
Spin Orbit

Layer thickness dependence of spin orbit torques and fields in Pt/Co/AlO trilayer structures

2015 ◽  
Vol 54 (4S) ◽  
pp. 04DM05 ◽  
Author(s):  
Tim Yang ◽  
Minsik Kong ◽  
Makoto Kohda ◽  
Takeshi Seki ◽  
Koki Takanashi ◽  
...  
Keyword(s):  
Layer Thickness ◽  
Thickness Dependence ◽  
Spin Orbit

Ferromagnetic layer thickness dependence of the misalignment between anisotropy axes in Co/IrMn bilayers

2020 ◽  
Vol 494 ◽  
pp. 165756
Author(s):  
Yi Huang ◽  
Xiangqian Wang ◽  
Huiliang Wu ◽  
Xiaolei Li ◽  
Hongmei Feng ◽  
...  
Keyword(s):  
Layer Thickness ◽  
Ferromagnetic Layer ◽  
Thickness Dependence

scholarly journals Dzyaloshinskii–Moriya interaction in noncentrosymmetric superlattices

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Woo Seung Ham ◽  
Abdul-Muizz Pradipto ◽  
Kay Yakushiji ◽  
Kwangsu Kim ◽  
Sonny H. Rhim ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Degrees Of Freedom ◽  
Orbit Coupling ◽  
Inversion Symmetry ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Band Formation ◽  
Research Activities ◽  
Moriya Interaction

AbstractDzyaloshinskii–Moriya interaction (DMI) is considered as one of the most important energies for specific chiral textures such as magnetic skyrmions. The keys of generating DMI are the absence of structural inversion symmetry and exchange energy with spin–orbit coupling. Therefore, a vast majority of research activities about DMI are mainly limited to heavy metal/ferromagnet bilayer systems, only focusing on their interfaces. Here, we report an asymmetric band formation in a superlattices (SL) which arises from inversion symmetry breaking in stacking order of atomic layers, implying the role of bulk-like contribution. Such bulk DMI is more than 300% larger than simple sum of interfacial contribution. Moreover, the asymmetric band is largely affected by strong spin–orbit coupling, showing crucial role of a heavy metal even in the non-interfacial origin of DMI. Our work provides more degrees of freedom to design chiral magnets for spintronics applications.

scholarly journals Impact of ferromagnetic layer thickness on the spin pumping in Co60Fe20B20/Ta bilayer thin films

2021 ◽  
Author(s):  
Soumyarup Hait ◽  
Sajid Husain ◽  
Nanhe Kumar Gupta ◽  
Nilamani Behera ◽  
Ankit Kumar ◽  
...  
Keyword(s):  
Thin Films ◽  
Layer Thickness ◽  
Ferromagnetic Layer ◽  
Spin Pumping

scholarly journals Reducing Dzyaloshinskii-Moriya interaction and field-free spin-orbit torque switching in synthetic antiferromagnets

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Ruyi Chen ◽  
Qirui Cui ◽  
Liyang Liao ◽  
Yingmei Zhu ◽  
Ruiqi Zhang ◽  
...  
Keyword(s):  
Domain Wall ◽  
Tunnel Junctions ◽  
Low Power Consumption ◽  
Stray Field ◽  
Magnetic Memory ◽  
Spin Orbit ◽  
Theoretic Analysis ◽  
Spintronic Devices ◽  
Deterministic Switching ◽  
Moriya Interaction

AbstractPerpendicularly magnetized synthetic antiferromagnets (SAF), possessing low net magnetization and high thermal stability as well as easy reading and writing characteristics, have been intensively explored to replace the ferromagnetic free layers of magnetic tunnel junctions as the kernel of spintronic devices. So far, utilizing spin-orbit torque (SOT) to realize deterministic switching of perpendicular SAF have been reported while a large external magnetic field is typically needed to break the symmetry, making it impractical for applications. Here, combining theoretic analysis and experimental results, we report that the effective modulation of Dzyaloshinskii-Moriya interaction by the interfacial crystallinity between ferromagnets and adjacent heavy metals plays an important role in domain wall configurations. By adjusting the domain wall configuration between Bloch type and Néel type, we successfully demonstrate the field-free SOT-induced magnetization switching in [Co/Pd]/Ru/[Co/Pd] SAF devices constructed with a simple wedged structure. Our work provides a practical route for utilization of perpendicularly SAF in SOT devices and paves the way for magnetic memory devices with high density, low stray field, and low power consumption.

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