Exchange bias of patterned nife/irmn film

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August undefined, 2024

WebApr 11, 2024 · Nanostructured materials have been widely investigated due to the eagerness of finding novel phenomena that can potentially be implemented in the development of new technological devices as well as in the improvement of existing ones [1,2,3].When decreasing the size of a material down to the nanometre scale, both … WebFeb 12, 2024 · We studied the effect of exchange bias on the domain structure in micro-patterned Permalloy (Py: Ni 80 Fe 20) sensing layer. We deposited single Py films, and Pt 48 Mn 52 /Py films, where the latter showed exchange bias. By controlling the thickness of Py, Pt 48 Mn 52 (15nm)/Py (t=235 nm) showed a small coercivity and exchange bias of …

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WebNov 5, 2024 · Here, we report current-induced manipulation of the exchange bias in IrMn/NiFe bilayers without a heavy metal. We show that the direction of the exchange bias is gradually modulated up to ±22 degrees by an in-plane current, which is independent of the NiFe thickness. This suggests that spin currents arising in the IrMn layer exert SOTs on ... WebOct 10, 2016 · Antiferromagnetic (AFM1)-ferromagnetic (FM)-antiferromagnetic (AFM2) multilayer films are fabricated using a magnetron sputtering technique. The AFM1, FM, … spices in mediterranean food

Néel walls between tailored parallel-stripe domains in IrMn/CoFe ...

WebJul 15, 2024 · We demonstrate magnetization reversal features in NiFe/IrMn/NiFe thin-film structures with 40% and 75% relative content of Ni in Permalloy in the temperature range … WebDec 24, 2024 · correlating the observed exchange bias phenomena with sample characteristics such as inherent inhomogeneities existing at the AF/F interfaces. The … WebMay 13, 2002 · ABSTRACT Exchange bias of different types of patterned NiFe/IrMn microstructures have been studied using the magneto-optical Kerr effect. In general, the … spices in place of salt

Exchange bias in (FeNi/IrMn)n multilayer films …

Current-induced manipulation of exchange bias in IrMn/NiFe …

Webcontribute directly to changes in exchange bias [46, 64]. For instance, film thickness ... using the mechanism above was initially realized in the NiFe/IrMn/MgO/Pt system, where an IrMn antiferromagnet was laid next to the tunnel barrier, controlling the transport signal as shown in figure 3. The change of exchange-spring action and the WebAug 12, 2024 · The NiFe film reference layer can reflect the variation in AFM interfacial states via the exchange bias. When the E-field is applied, an in-plane piezoelectric strain is produced. spices in mylar bagsWebEnter the email address you signed up with and we'll email you a reset link. spices in old bay

"WebNov 19, 2001 · The representative results of R–H loops after 30 KeV Ga + ion irradiation on the patterned sample. The resistance was found to increase with increasing ion dose. On the other hand, the exchange bias between the IrMn (6 nm) and CoFe (2 nm) layers was found to decrease with ion doses up to 1.05×10 15 ions / cm 2 ( Fig. 3a and b ). " - Exchange bias of patterned nife/irmn film

Exchange bias of patterned nife/irmn film

Effects of Mn corrosion on the magnetic properties of Ni

WebMay 28, 2013 · Exchange bias effect and magnetic spring behavior have been studied by changing the IrMn thickness. As shown by X-ray diffraction, Ta and Cu seed layers provoke different degrees of (111) fcc-texture that directly affect the exchange bias and indirectly modify the exchange spring coupling behavior. WebA hybrid type of magnetic sensor, combining the advantages of both fluxgate sensors and giant magnetoresistance sensors (GMR), was developed in this work by applying the fluxgate principle into the GMR sensors.

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WebEffect of Ta buffer and NiFe seed layers on pulsed-DC magnetron sputtered Ir20Mn80/Co90Fe10 exchange bias Web1. A magnetic head comprising: a first magnetic shield; a stack disposed on the first magnetic shield; a side shield disposed on the first magnetic shield in a manner to face a side surface of the stack; an antiferromagnetic layer disposed on the stack and the side shield; and a second magnetic shield disposed on the antiferromagnetic layer, wherein …

WebMay 30, 2014 · Exchange bias properties of [FeNi/IrMn] n multilayer films with variable thickness of the ferromagnetic layers and different repetitions n were determined by using static and dynamic measurement techniques. WebFeb 15, 2016 · We studied the exchange bias effect in an array of IrMn(3 nm)/NiFe(3 nm) circular dots (size ~140 nm and center-to-center distance ~200 nm, as revealed by microscopy analyses), prepared on a large area (3×3 mm2) by electron beamlithography and lift-off, using dc sputtering deposition.

Webhybrid method [21] in which a pre-deposited NiFe film was etched back by 1 nm to remove any surface oxides, followed by growth of 1 nm additional NiFe then an IrMn film. This produced exchange bias similar to that found in NiFe/IrMn grown without a vacuum break. Methods: The patterned samples were prepared using a modification of a process ... WebAbstract Exchange bias of different types of patterned NiFe/IrMn microstructures have been studied using the magneto-optical Kerr effect. In general, the exchange field was …

WebThe coercivity of unpatterned NiFe/IrMnsamplesvaries from100to170Oe. The exchange bias is 25–70 Oe. As a comparison, unpatterned NiFe/IrMn bilayer films show …

WebThe magnetostriction coefficient s of ultrathin sputtered polycrystalline as-deposited and annealed Ta/Ni81Fe19 t /Ta films was studied as a function of the thickness. s and magnetoresistance MR of bottom-type spin valves SVs with nano-oxide layer NOL added in the pinned layer were investigated by using NiFe, Co90Fe10, and CoFe/NiFe/CoFe … spices in mild italian sausageWebDec 4, 2024 · The in-plane temperature dependence of exchange bias was studied through both dc magnetometry and ferromagnetic resonance spectroscopy in a series of … spices in pho brothWebNov 17, 2024 · Here we observe that both the magnetization hysteresis loops and anomalous Hall curves of Mn3Sn single-layer films present exchange bias after field cooling, which are generally observed in... spices in the mccormick commercial on youtubeWebJun 26, 2024 · Exchange bias of patterned NiFe/IrMn film journal, January 2002. Shen, Yaotao; Wu, Yihong; Xie, Hong; Journal of Applied Physics, Vol. 91, Issue 10; ... dependence of an external magnetic field applied with an in-plane alternating pulse that induces a new direction of exchange bias (EB) is observed in an NiFe/IrMn bilayer. … spices in pickling spiceWebNov 21, 2024 · Widely used AFM material systems for exchange bias are bilayers of IrMn/FeCo, because they exhibit a robust shift of the hysteresis loop and a reversible unidirectional pinning of the FM by cooling in the magnetic field with opposite polarities. spices in southeast asiaWebApr 4, 2024 · We present an investigation of the behavior of magnetic systems with Exchange Bias from different techniques. The book deals … spices in shawarmaWebNov 30, 2024 · An exchange bias field of 1.6 mT is obtained, consistent with the result from the perpendicular magnetization hysteresis loop. f, SOT-driven magnetization switching in the presence of μ0Hx =... spices in spice rack