Influence of melting temperature on iron ions behavior in B2O3–BaO–Fe2O3 glasses studied by magnetic susceptibility

Ardelean, I.; Toderas, M.; Filip, S.

doi:10.1016/j.jmmm.2003.11.123

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Cited by 11 publications

(4 citation statements)

References 10 publications

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“…These two resonance lines have been discussed at length by many investigators [29,30]. The absorption at g = 4.2 is identified to the isolated Fe 3+ ions in the orthorhombic crystal field, arises from tetrahedral environment and the line at g = 2.0 is predicted due on the Fe 3+ -O-Fe 3+ spin pair [31].…”

Section: Discussionmentioning

confidence: 94%

Fe concentration dependent transport properties of LiI–AgI–B2O3 glass system

Srilatha

Rao

Gandhi

et al. 2010

Journal of Alloys and Compounds

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Section: Discussionmentioning

confidence: 94%

Fe concentration dependent transport properties of LiI–AgI–B2O3 glass system

Srilatha

Rao

Gandhi

et al. 2010

Journal of Alloys and Compounds

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“…Iron ions in borate glasses might coexist in more than one valence state; mainly in Fe 2+ and Fe 3+ . These ions exist in different co-ordinations in glass matrices; for example Fe 3+ in both tetrahedral and octahedral and Fe 2+ in octahedral environment depending on host glass composition and preparation conditions [16,17].…”

Section: Discussionmentioning

confidence: 99%

Dielectric Studies on Alkali Borate Glasses Mixed with Iron Oxide

Satyanarayana

Rao

Lakshmi

et al. 2013

SSP

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Glass system of composition Li2O-Na2O-B2O3: Fe2O3with replacing alkali oxides one by another have been prepared via melt quenching. Further, the samples were characterized by X-ray diffraction. XRD studies have indicated that the prepared samples were amorphous in nature. Dielectric properties (constant ε , loss tan δ, a.c. conductivity σacover a wide range of frequency and temperature) of these glasses have also been explored. The activation energy for ac conduction is estimated to be the lowest for glass F25and the highest for glass F0. Finally the study on dielectric properties indicated that the ac conduction is predominantly ionic in nature in the samples containing high content of Li2O.Keywords:Borate glasses; dielectric properties; alkali effect

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“…Ardelean et al [17] have studied the magnetic susceptibility of xFe2O3 · (100 -x)[3B2O3 · BaO] glasses with 0 < x < 50 mol%. For x <10 mol% they have shown that these glasses to obey Curie law and iron ions exist only in Fe3+ state, but for higher concentrations, the magnetic susceptibility of these glasses is described by Curie-Weiss law and iron ions are found to exist in both Fe3+ and Fe2+ valence states that participate in antiferromagnetic interactions.…”

Section: Brief Review Of the Previous Work On The Glasses Containmentioning

confidence: 99%