KnE Engineering

ISSN: 2518-6841

The latest conference proceedings on all fields of engineering.

Orientation Dependence of the Thermal Expansion Coefficients of Iron Borate FeBo3 Crystals

Published date:May 07 2018

Journal Title: KnE Engineering

Issue title: Russian Forum of Young Scientists (RFYS)

Pages:65–71

DOI: 10.18502/keg.v3i4.2226

Authors:
Abstract:

We present high-resolution X-ray diffraction measurements of the lattice parameters of iron borate FeBO3. These measurements were performed at room temperature and at various temperatures ranging from 400 up to 600∘C, enabling the determination of the coefficients of thermal expansion (CTE). The three-dimensional (3D) indicatory
surface of thermal expansion of FeBO3was constructed in MathCad. It is shown that the orientation dependence of CTE in FeBO3 is spheroid elongated on threefold axis.

References:

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[2] Diehl R 1975 Crystal Struсture Refinement of Ferrite Borate, FeBO3. Sol. Stat. Com. 17


[3] Joubert J C, Shirk T, White W B, Rustum Roy 1968 Stability, infrared spectrum and magnetic properties of FeBO3 Mat. Res. Bull.3 pp 671-676


[4] Kalashnikova A M,Markovin P A, Pisarev R V, RasingTHM 2007 Optical Study of the Electronic Structure and Magnetic Ordering in a weak Ferromagnet FeBO3 Journal of Experimental and Theoretical Physics Letters 86 pp 712-717


[5] Gerasimov V N, Dolivo-Dobrovol’skaya E M, Kamentsev I E, Kordat’eva V V, Kosoi A L, Lesyuk G I, Rozhdestvenskaya I V, Stroganov E V, Filatov S K, Frank-Kamenetskaya O V et al. 1975 A Manual on X-Ray Diffraction Investigations of Minerals edV A FrankKamenetskii (Leningrad: Nedra)


[6] Holland T J B and RedfernS A T 1997 Unit cell refinement from powder diffraction data: the use of regression diagnostics Mineralogical Magazine


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