scholarly journals High-entropy Alloys with High Saturation Magnetization, Electrical Resistivity and Malleability

2013 ◽  
Vol 3 (1) ◽  
Author(s):  
Yong Zhang ◽  
TingTing Zuo ◽  
YongQiang Cheng ◽  
Peter K. Liaw
Keyword(s):  
Electrical Resistivity ◽  
Saturation Magnetization ◽  
High Entropy Alloys ◽  
High Saturation Magnetization ◽  
High Entropy ◽  
High Saturation

scholarly journals An advancement in the synthesis of unique soft magnetic CoCuFeNiZn high entropy alloy thin films

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Chokkakula L. P. Pavithra ◽  
Reddy Kunda Siri Kiran Janardhana ◽  
Kolan Madhav Reddy ◽  
Chandrasekhar Murapaka ◽  
Joydip Joardar ◽  
...  
Keyword(s):  
Thin Films ◽  
Saturation Magnetization ◽  
Functional Materials ◽  
Single Step ◽  
High Entropy Alloy ◽  
High Saturation Magnetization ◽  
Soft Magnetic ◽  
High Entropy ◽  
High Saturation ◽  
Electrochemical Approach

AbstractDiscovery of advanced soft-magnetic high entropy alloy (HEA) thin films are highly pursued to obtain unidentified functional materials. The figure of merit in current nanocrystalline HEA thin films relies in integration of a simple single-step electrochemical approach with a complex HEA system containing multiple elements with dissimilar crystal structures and large variation of melting points. A new family of Cobalt–Copper–Iron–Nickel–Zinc (Co–Cu–Fe–Ni–Zn) HEA thin films are prepared through pulse electrodeposition in aqueous medium, hosts nanocrystalline features in the range of ~ 5–20 nm having FCC and BCC dual phases. The fabricated Co–Cu–Fe–Ni–Zn HEA thin films exhibited high saturation magnetization value of ~ 82 emu/g, relatively low coercivity value of 19.5 Oe and remanent magnetization of 1.17%. Irrespective of the alloying of diamagnetic Zn and Cu with ferromagnetic Fe, Co, Ni elements, the HEA thin film has resulted in relatively high saturation magnetization which can provide useful insights for its potential unexplored applications.

scholarly journals High saturation magnetization superparamagnetic Fe/Ni core/shell microparticles for chromium removal

RSC Advances ◽  
2017 ◽  
Vol 7 (67) ◽  
pp. 42363-42369 ◽  
Author(s):  
Zhaoqing Lu ◽  
Yanling Xu ◽  
Shaomin Zhou
Keyword(s):  
Saturation Magnetization ◽  
Core Shell ◽  
Chromium Removal ◽  
High Saturation Magnetization ◽  
High Saturation

In this paper, the Fe/Ni microparticles are synthesized by two reactions which directly utilize H2 to reduce NiO and Fe3O4 microspheres.

Metal-based magnetic fluids with core–shell structure FeB@SiO2 amorphous particles

Soft Matter ◽  
2017 ◽  
Vol 13 (37) ◽  
pp. 6340-6348 ◽  
Author(s):  
Mengchun Yu ◽  
Xiufang Bian ◽  
Tianqi Wang ◽  
Junzhang Wang
Keyword(s):  
High Temperature ◽  
Saturation Magnetization ◽  
Shell Structure ◽  
Magnetic Fluids ◽  
Core Shell ◽  
High Saturation Magnetization ◽  
Temperature Performance ◽  
High Saturation ◽  
Core Shell Structure ◽  
Amorphous Particles

Metal-based magnetic fluids with desirable high temperature performance based on core–shell FeB@SiO2 amorphous particles with high saturation magnetization.

scholarly journals Effects of La on Thermal Stability, Phase Formation and Magnetic Properties of Fe–Co–Ni–Si–B–La High Entropy Alloys

Metals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 1907
Author(s):  
Jiaming Li ◽  
Jianliang Zuo ◽  
Hongya Yu
Keyword(s):  
Thermal Stability ◽  
Magnetic Properties ◽  
Saturation Magnetization ◽  
Phase Formation ◽  
Crystallization Temperature ◽  
High Entropy Alloys ◽  
Soft Magnetic Properties ◽  
Soft Magnetic ◽  
High Entropy ◽  
Bcc Phase

The microstructure, phase formation, thermal stability and soft magnetic properties of melt-spun high entropy alloys (HEAs) Fe27Co27Ni27Si10−xB9Lax with various La substitutions for Si (x = 0, 0.2, 0.4, 0.6, 0.8, and 1) were investigated in this work. The Fe27Co27Ni27Si10−xB9La0.6 alloy shows superior soft magnetic properties with low coercivity Hc of ~7.1 A/m and high saturation magnetization Bs of 1.07 T. The content of La has an important effect on the primary crystallization temperature (Tx1) and the secondary crystallization temperature (Tx2) of the alloys. After annealing at relatively low temperature, the saturation magnetization of the alloy increases and the microstructure with a small amount of body-centered cubic (BCC) phase embedded in amorphous matrix is observed. Increasing the annealing temperature reduces the magnetization due to the transformation of BCC phase into face-centered cubic (FCC) phase.

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