Exchange coupling effect
WebMay 25, 2024 · Finally, the coupling effects of the compressor speed, ambient temperature and optimal air flow rate on the system performance was also exhaustively assessed. It was found that as the discharge temperature, the CO 2 temperature at the gas cooler outlet and the discharge pressure did not vary more than ±2%, the corresponding gas cooler air ... WebJan 6, 2024 · We investigated interlayer exchange coupling (IEC) and interface magnetic anisotropy (K i) between two ferromagnetic layers with crossed in-plane and perpendicular magnetic anisotropies separated by a non-magnetic spacer by using the anomalous Hall effect (AHE).The sample consisted of a Co 0.75 Fe 2.25 O 4 layer with …
Exchange coupling effect
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WebSep 15, 2024 · When the temperature is close to or higher than 300 K, CoO should translate from antiferromagnetism to paramagnetism; thus, the exchange coupling between CoO and YIG should no longer exist. However, the exchange bias of the 20-nm CoOx/YIG remained as the temperature of the sample reached 300 K. WebMar 24, 2024 · Exchange coupling is also significant during diffusional encounters of two paramagnetic molecules in liquid solution. Such dynamic Heisenberg spin exchange can …
WebDec 21, 2024 · The devices originally exhibit a negative exchange bias field, which decays with increasing temperature and is unaffected by the back-gate voltage. When we change the device configuration to be half-covered by CrI 3, the exchange bias becomes positive with a very large exchange bias field exceeding 300 mT. WebThe exchange interactions were small (−0.85 cm −1) but caused remarkable effects on magnetic relaxations at low temperature. In the temperature range from 2 K to 4 K, magnetic relaxation occurred via the exchange-coupled low …
WebAug 15, 2024 · The two sub-models exchange information of in-cylinder temperature, heat transfer coefficient, and wall temperature to achieve the coupled computation. ... It is necessary to study the coupling effect caused by the interaction of cooling flow and in-cylinder combustion so as to provide details of the dynamic control of cooling systems. … WebApr 11, 2024 · On the other hand, an increasing exchange bias effect on decreasing temperature has been encountered when field cooling (3T) the oxidized Ni@(NiO,Ni(OH)2) nanowires below 100 K along their parallel lengths. ... Usually, this can be accomplished by a proper engineering of the exchange coupling of spins at a ferromagnetic …
WebJan 21, 2024 · Exchange bias is a property of widespread technological utility, but its underlying mechanism remains elusive, in part because it is rooted in the interaction of …
WebNov 22, 2024 · Probing magnon–magnon coupling in exchange coupled Y $$_3$$ 3 Fe $$_5$$ 5 O $$_{12}$$ 12 /Permalloy bilayers with magneto-optical effects 28 July 2024 Yuzan Xiong, Yi Li, … optica simon bejar tfnoWebAug 11, 2024 · To explore the origin of magnetism, the effect of light Cu-doping on ferromagnetic and photoluminescence properties of ZnO nanocrystals was investigated. These Cu-doped ZnO nanocrystals were prepared using a facile solution method. The Cu2+ and Cu+ ions were incorporated into Zn sites, as revealed by X-ray diffraction (XRD) and … optica shop macerataWebJan 25, 2024 · Compared with the paramagnetic SrCoO 2.5, the exchange bias effect in SrCoO 2.29 was observed. The FM cluster of SrCoO 3-x embeded in an AFM background brings about the exchange coupling at the FM/AFM interface which is responsible for the EB phenomenon. Due to complicated magnetic states, the EB effect shows strong … optica showe colonWebExchange coupling across the grain boundaries leads to an enhanced remanence compared to decoupled single-domain grains due to spin rotation in the grain boundary region (see … portimao weather septemberWebOct 1, 1999 · The oscillatory interlayer exchange coupling is determined by the energy changes associated with filling and emptying these states as they cross the Fermi energy when the thickness of the spacer layer is varied. The stronger the spin-dependent reflection, the stronger the confinement and the stronger the oscillatory coupling. portimonense footballWebOct 28, 2002 · The exchange coupling and its training effect are studied as a function of the ferromagnetic layer magnetization by using various ferromagnet/FeMn bilayers with ferromagnetic materials Ni ... optica st-hubertWebTuning the exchange-coupling effect in raspberry-like γ-Fe 2 O 3 @CoO nanoparticles engineered through single variation of the surfactant concentration in the synthesis process C. Bidaud, D. García-Soriano, E. H. Sánchez, J. Grenèche, J. A. De Toro, M. Varela, M. Dhanjani, A. Bollero and G. Salas, Mater. Chem. optica submission template