Low-temperature solid-phase pyrolysis: A new method for the synthesis of nanocrystalline NiFe2O4 thin films

被引：6

作者：

Bayan, E. M. ^{[1
]}

Storozhenko, V. Yu. ^{[2
]}

Bunin, M. A. ^{[2
]}

机构：

[1] Southern Fed Univ, Fac Chem, Zorge Str 7,303, Rostov Na Donu 344090, Russia

[2] Southern Fed Univ, Res Inst Phys, Stachki Ave 194,210, Rostov Na Donu 344090, Russia

来源：

MATERIALS LETTERS | 2021年 / 302卷

关键词：

Nickel ferrite; Nanocrystalline films; Low temperature solid-phase  pyrolysis; Spinel; GAS SENSOR;

D O I：

10.1016/j.matlet.2021.130385

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nickel ferrite thin films were synthesized by a new method of solid-phase pyrolysis. The effect of the annealing temperature on the films characteristics has been studied. The obtained films were characterized by X-ray diffraction (XRD), thermal and thermogravimetric analysis (TG-DTA), and scanning probe microscopy (SPM). XRD showed a single-phase cubic spinel structure. The average size of NiFe2O4 crystallites was 28, 30, 42, and 53 nm for samples annealed at 500, 600, 700, and 800 degrees C, respectively. The films thickness is about 40 nm. The SPM data confirm a high-quality of the film surface, formed by nanocrystallites. The obtained films are well organized, which makes the proposed as a promising method of synthesis in the thin films preparation processes employed in a variety of applications.

引用

页数：3

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