Chemical synthesis of L10 Fe-Pt-Ni alloy nanoparticles

Deepchand, Vimal; Abel, Frank M.; Tzitzios, Vasileios; Hadjipanayis, George C.

doi:10.1063/1.5007756

Chemical synthesis of L1₀ Fe-Pt-Ni alloy nanoparticles

Journal Article · Thu Dec 21 23:00:00 EST 2017 · AIP Advances

DOI:https://doi.org/10.1063/1.5007756· OSTI ID:1499252

Deepchand, Vimal ^[1]; Abel, Frank M. ^[2]; ^[3]; Hadjipanayis, George C. ^[2]

Univ. of Delaware, Newark, DE (United States); Physics and Astronomy, University of Delaware, Newark, DE 19716, United States
Univ. of Delaware, Newark, DE (United States)
Khalifa Univ. of Science and Technology, Abu Dhabi (United Arab Emirates)

This work focuses on the study of the magnetic and structural properties of chemically synthesized FePt1-xNix nanoparticles, with Ni content x in the range 0.2-0.4. We report the effect of Ni substitution on the L1₀ structure, on both the as-synthesized and annealed nanoparticles. A decrease in nanoparticle size as well as in chemical order is observed with an increase in Ni content, for both the as-made and annealed nanoparticles. The results also show that the post annealing procedure at 700oC significantly enhanced the L1₀ ordering of the nanoparticles. Substitution of nickel leads to a decrease in coercivity from 14.9 kOe in FePt to 0.8 kOe for FePt_0.6Ni_0.4 alloy, while the magnetization at 3 T is increased from 48 emu/g to 88 emu/g.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Delaware, Newark, DE (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-90ER45413

OSTI ID:: 1499252

Alternate ID(s):: OSTI ID: 1414614

Journal Information:: AIP Advances, Journal Name: AIP Advances Journal Issue: 5 Vol. 8; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (1)

Structurally Ordered Low‐Pt Intermetallic Electrocatalysts toward Durably High Oxygen Reduction Reaction Activity Wang, Zhongxiang; Yao, Xiaozhang; Kang, Yongqiang Advanced Functional Materials, Vol. 29, Issue 35 https://doi.org/10.1002/adfm.201902987	journal	July 2019

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