Publication detail

Structure, magnetic and adsorption properties of novel FePt/h-BN heteromaterials

KONOPATSKY, A. POPOV, Z. BONDAREV, A. POLČÁK, J. SHTANSKY, D.

Original Title

Structure, magnetic and adsorption properties of novel FePt/h-BN heteromaterials

Type

journal article in Web of Science

Language

English

Original Abstract

Nanomaterials with high specific surface area and high absorption capacity are attracting increased interest aimed at imparting the desired magnetic properties. This work is devoted to the study of the effect of heat treatment in a hydrogen atmosphere on the microstructure, adsorption and magnetic properties of heterogeneous FePt/h-BN nanomaterials. Obtained via the polyol process, FePt nanoparticles (NPs) had a size < 2 nm and were uniformly distributed over the surface of hexagonal boron nitride (h-BN) nanosheets. The temperature-activated fcc -> fct phase transformation in ultrafine FePt NPs has been well documented. FePt NPs act as active centers dissociating H-2 molecules and transfer adsorbed hydrogen atoms to the h-BN. Density functional theory (DFT) calculations also indicate that the h-BN substrate can absorb hydrogen adsorbed on the FePt NPs. This hydrogen circulation in the FePt/h-BN system promoted the fcc -> fct phase transformation and allowed to control the magnetic properties. FePt/h-BN nanomaterials also exhibited a high adsorption capacity with respect to various organic dyes.

Keywords

FePt/h-BN nanomaterials; polyol synthesis; phase transformations; magnetic properties; adsorption

Authors

KONOPATSKY, A.; POPOV, Z.; BONDAREV, A.; POLČÁK, J.; SHTANSKY, D.

Released

1. 1. 2023

Publisher

TSINGHUA UNIV PRESS

Location

BEIJING

ISBN

1998-0000

Periodical

Nano Research

Year of study

16

Number

1

State

People's Republic of China

Pages from

1473

Pages to

1481

Pages count

9

URL

https://link.springer.com/article/10.1007/s12274-022-4672-0

BibTex

@article{BUT179223,
  author="Anton S. {Konopatsky} and Zakhar {Popov} and Andrey {Bondarev} and Josef {Polčák} and Dmitry V. {Shtansky}",
  title="Structure, magnetic and adsorption properties of novel FePt/h-BN heteromaterials",
  journal="Nano Research",
  year="2023",
  volume="16",
  number="1",
  pages="1473--1481",
  doi="10.1007/s12274-022-4672-0",
  issn="1998-0000",
  url="https://link.springer.com/article/10.1007/s12274-022-4672-0"
}