نتایج جستجو برای: feco nanoparticles
تعداد نتایج: 107511 فیلتر نتایج به سال:
Electronics and soft robotics demand the development of a new generation hybrid materials featuring novel properties. Among these, remarkable mechanical properties are required to sustain stresses, electrical magnetic essential design devices’ interface. In this study, material is presented, consisting spider silk thread, providing robustness, coated with layer magnetostrictive FeCo alloy, whic...
Compositionally graded cylinders comprising FeCo-2V, a soft magnetic alloy, and 316L stainless steel, were produced by directed energy deposition incorporating two different gradient lengths. Five distinct regions in the microstructure observed both as-printed annealed gradients. When normalized for length, gradients showed similar grain size microhardness profiles. In tensile tests, samples fa...
In combining spin- and symmetry-resolved photoemission, magnetotransport measurements and ab initio calculations we detangled the electronic states involved in the electronic transport in Fe(1-x)Co(x)(001)/MgO/Fe(1-x)Co(x)(001) magnetic tunnel junctions. Contrary to previous theoretical predictions, we observe a large reduction in TMR (from 530 to 200% at 20 K) for Co content above 25 atomic% a...
In this study, nine Nd-Fe-B and FeCe thin films with 10-50 nanometers width were prepared by RF magnetron sputtering on the Si/SiO2 substrate. Then, the films were annealed at 800 oC for 5 sec in rapid thermal annealing furnace. X-ray diffractometry (XRD) was used to analyze the phase composition of layers and existance of Nd2F14 and Fe65Co35 phase was confirmed, without formation of any o...
آلیاژهای آهن-کبالت یکی از مهمترین مواد مغناطیسی نرم هستند که به دلیل خواص مغناطیسی منحصر به فرد از جمله اشباع مغناطیسی و دمای کوری بالا و تلفات مغناطیسی کم کاربردهای گوناگونی در صنایع مختلف مانند موتورهای الکتریکی، ذخیره سازی اطلاعات ، مخابرات، ترانس های ظرفیت بالا و اخیرا در صنایع هوافضا پیدا کرده اند. اگرچه آلیاژهای آهن-کبالت به خاطر خواص مغناطیسی آن ها بیشتر مورد توجه بوده اند، ولی کاربردهای...
Abstract We study experimentally and theoretically the dynamics of spin relaxation motion excited by a femtosecond pulse in TbCo 2 /FeCo multilayer structures with different ratios to FeCo thicknesses r d = <m...
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