Sol-gel synthesis and the investigation of the properties of nanocrystalline holmium orthoferrite

A. T. Nguyen; H. L.T. Tran; Ph U.T. Nguyen; I. Ya Mittova; V. O. Mittova; E. L. Viryutina; V. H. Nguyen; X. V. Bui; T. L. Nguyen

doi:10.17586/2220-8054-2020-11-6-698-704

Sol-gel synthesis and the investigation of the properties of nanocrystalline holmium orthoferrite

A. T. Nguyen
, H. L.T. Tran
, Ph U.T. Nguyen
, I. Ya Mittova
, V. O. Mittova
, E. L. Viryutina
, V. H. Nguyen
, X. V. Bui
, T. L. Nguyen

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Holmium orthoferrite nanocrystals (HoFeO₃) were synthesized from an aqueous solution by the sol-gel method, using polyvinyl alcohol as a stabilizer and annealing at temperatures of 650, 750, and 850 °C for an hour. According to the results of the performed analyses, it was found that with an increase in the annealing temperature, the average size of HoFeO₃ crystallites increases from 24 to 30 nm. The magnetic characteristics of the samples were measured and it was shown that holmium orthoferrite is a paramagnet with a low coercive force. The band gap of nanocrystalline holmium ferrite is determined.

Original language	English
Pages (from-to)	698-704
Number of pages	7
Journal	Nanosystems: Physics, Chemistry, Mathematics
Volume	11
Issue number	6
DOIs	https://doi.org/10.17586/2220-8054-2020-11-6-698-704
State	Published - 1 Jan 2020
Externally published	Yes

Keywords

Holmium orthoferrite
Magnetic properties
Nanoparticles
Optical properties
Sol-gel technique

ASJC Scopus subject areas

Mathematics (miscellaneous)
Materials Science (miscellaneous)
Condensed Matter Physics
Physics and Astronomy (miscellaneous)

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10.17586/2220-8054-2020-11-6-698-704

Cite this

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title = "Sol-gel synthesis and the investigation of the properties of nanocrystalline holmium orthoferrite",

abstract = "Holmium orthoferrite nanocrystals (HoFeO3) were synthesized from an aqueous solution by the sol-gel method, using polyvinyl alcohol as a stabilizer and annealing at temperatures of 650, 750, and 850 °C for an hour. According to the results of the performed analyses, it was found that with an increase in the annealing temperature, the average size of HoFeO3 crystallites increases from 24 to 30 nm. The magnetic characteristics of the samples were measured and it was shown that holmium orthoferrite is a paramagnet with a low coercive force. The band gap of nanocrystalline holmium ferrite is determined.",

keywords = "Holmium orthoferrite, Magnetic properties, Nanoparticles, Optical properties, Sol-gel technique",

author = "Nguyen, \{A. T.\} and Tran, \{H. L.T.\} and Nguyen, \{Ph U.T.\} and Mittova, \{I. Ya\} and Mittova, \{V. O.\} and Viryutina, \{E. L.\} and Nguyen, \{V. H.\} and Bui, \{X. V.\} and Nguyen, \{T. L.\}",

year = "2020",

month = jan,

day = "1",

doi = "10.17586/2220-8054-2020-11-6-698-704",

language = "English",

volume = "11",

pages = "698--704",

journal = "Nanosystems: Physics, Chemistry, Mathematics",

issn = "2220-8054",

publisher = "ITMO University",

number = "6",

}

TY - JOUR

T1 - Sol-gel synthesis and the investigation of the properties of nanocrystalline holmium orthoferrite

AU - Nguyen, A. T.

AU - Tran, H. L.T.

AU - Nguyen, Ph U.T.

AU - Mittova, I. Ya

AU - Mittova, V. O.

AU - Viryutina, E. L.

AU - Nguyen, V. H.

AU - Bui, X. V.

AU - Nguyen, T. L.

PY - 2020/1/1

Y1 - 2020/1/1

N2 - Holmium orthoferrite nanocrystals (HoFeO3) were synthesized from an aqueous solution by the sol-gel method, using polyvinyl alcohol as a stabilizer and annealing at temperatures of 650, 750, and 850 °C for an hour. According to the results of the performed analyses, it was found that with an increase in the annealing temperature, the average size of HoFeO3 crystallites increases from 24 to 30 nm. The magnetic characteristics of the samples were measured and it was shown that holmium orthoferrite is a paramagnet with a low coercive force. The band gap of nanocrystalline holmium ferrite is determined.

AB - Holmium orthoferrite nanocrystals (HoFeO3) were synthesized from an aqueous solution by the sol-gel method, using polyvinyl alcohol as a stabilizer and annealing at temperatures of 650, 750, and 850 °C for an hour. According to the results of the performed analyses, it was found that with an increase in the annealing temperature, the average size of HoFeO3 crystallites increases from 24 to 30 nm. The magnetic characteristics of the samples were measured and it was shown that holmium orthoferrite is a paramagnet with a low coercive force. The band gap of nanocrystalline holmium ferrite is determined.

KW - Holmium orthoferrite

KW - Magnetic properties

KW - Nanoparticles

KW - Optical properties

KW - Sol-gel technique

UR - https://www.scopus.com/pages/publications/85101329320

U2 - 10.17586/2220-8054-2020-11-6-698-704

DO - 10.17586/2220-8054-2020-11-6-698-704

M3 - Article

AN - SCOPUS:85101329320

SN - 2220-8054

VL - 11

SP - 698

EP - 704

JO - Nanosystems: Physics, Chemistry, Mathematics

JF - Nanosystems: Physics, Chemistry, Mathematics

IS - 6

ER -

Sol-gel synthesis and the investigation of the properties of nanocrystalline holmium orthoferrite

Abstract

Keywords

ASJC Scopus subject areas

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