Reduced graphene oxide decorated with Ni-Fe-Mo permalloy obtained by sputtering

被引：1

作者：

Maraschin, Thuany Garcia ^{[1
]}

Vilar, Samuel Corvello ^{[1
]}

Eberhardt, Dario ^{[1
]}

Feil, Adriano Friedrich ^{[1
]}

Malmonge, Jose Antonio ^{[2
]}

Geshev, Julian ^{[3
]}

Galland, Griselda Barrera ^{[4
]}

de Souza Basso, Nara Regina ^{[1
]}

机构：

[1] Pontificia Univ Catolica Rio Grande do Sul, Escola Politecn, Av Ipiranga 6681, BR-90619900 Porto Alegre, RS, Brazil

[2] Univ Estadual Paulista, UNESP, Fac Engn, Campus Ilha Solteira,Av Brasil 56, BR-15385000 Sao Paulo, SP, Brazil

[3] Univ Fed Rio Grande do Sul, Inst Fis, Av Bento Goncalves 9500, BR-91501970 Porto Alegre, RS, Brazil

[4] Univ Fed Rio Grande, Inst Quim, Av Bento Goncalves 9500, BR-91501970 Porto Alegre, RS, Brazil

来源：

MATERIALS TODAY COMMUNICATIONS | 2021年 / 26卷

关键词：

Sputtering; Metals and alloys; Nanoparticles; Reduced graphene oxide; MICROWAVE-ABSORPTION; ALLOY; NANOPARTICLES; COMPOSITES; MAGNETIZATION; NANOCOMPOSITE; CONVERSION; ACID; THIN; OIL;

D O I：

10.1016/j.mtcomm.2021.102110

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work illustrates an effective method for obtaining hybrid nanoparticles of Ni-Fe-Mo permalloy and reduced graphene oxide (rGO). The metallic nanoparticles were spread by the sputtering technique, which allowed a good dispersion of the metallic nanoparticles onto rGO substrate powder. TEM showed permalloy nanoparticles smaller than 8 nm uniformly distributed throughout rGO. Permalloy/rGO hybrid with 10.5 wt% loading of permalloy nanoparticles was calculated by TGA. RBS experiment reveals that permalloy target and the nanoparticles deposited have similar composition. The interaction between permalloy and rGO was studied by FT-IR. Ni-Fe-Mo/rGO presented an electrical conductivity of 122 Scm(-1), significantly higher than the original rGO and a magnetization hysteresis-loop coercivity of 16 Oe at room temperature. To our knowledge this is the first work in which permalloy nanoparticles are deposited onto graphene powder substrate by a physical impregnation technique.

引用

页数：6

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