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Pt/Co/heavy metal (HM) tri-layered structures with interfacial perpendicular magnetic anisotropy (PMA) are currently under intensive research for several emerging spintronic effects, such as spin-orbit torque (SOT) [1, 2], domain wall motion [3, 4] and room temperature skyrmions [5, 6].
The hybrid structures of a strong spin-orbit coupling (SOC) metal such as Pt and a magnetic insulator such as yttrium iron garnet (YIG) exhibit a variety of interesting spin current related phenomenon such as spin pumping, spin Seebeck effect, and spin Hall magnetoresistance (SMR) [1–2].
MnTe is a kind of antiferromagnetic semiconductor with Néel temperature (TN) of 307 K [1]. Mn1−xCrxTe was investigated as diluted magnetic semiconductor [2]. The structure, magnetic and transport properties of MnTe [3] and Mn1−xCrxTe [4,5] films were investigated. In these previous works, some of the films represent different characteristic from the bulk ones, such as ferromag-netism at room temperature...
Magnetic refrigeration based on the magnetocaloric effect (MCE) is an environmentally friendly and energy efficient solid state cooling technology compared with conventional vapor compression approach In recent years, the interest in large MCE materials including Gd5Si4−xGex, LaFe13-xSix, MnFeP(As, Ge), Ni-Mn-based Heusler alloys, and rare-earth manganites has grown considerably due to their potential...
Miniature motors have attracted much attention in recent decades. In the design of miniature motors, geometry and assembly simplicity of the drive mechanism is critical. Among various drive mechanisms, the impact drive mechanism (IDM) has such simplicity that compromises the inertia force and the friction force to achieve a stick-slip motion, and thus has great potential for applications in miniature...
Al/Ta2O5/Pt RRAM cell was successfully demonstrated with stable bipolar switching. Band alignment for the structure of Al/Ta2O5/Pt was obtained using high-resolution X-ray photoelectron spectroscopy to investigate resistance switching behavior. Hole barrier heights of Ta2O5 on metals Pt and Al were extracted using core level and valence band spectra. The energy band alignments of Pt/TaOx and Al/TaO...
A geometry based parametric model of a differential high-speed line traversing a ten-layer microprocessor package is developed. This model is used to undertake a detailed study of the effect of the various geometrical parameters on the return loss performance of such a package. The forward problem is solved using a fast, full-wave electromagnetic (EM) solver. The effect of various types of routing...
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