Physical, Structural, and Magnetic Study of Dilute Magnetic Glasses: xFe2O3+(2-x)V2O5+38Li2O+60P2O5

Chand, Prem; Kumar, L.; Khasa, Satish

doi:10.12693/aphyspola.137.1196

Acta Phys. Pol. A

2020

DOI: 10.12693/aphyspola.137.1196

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Physical, Structural, and Magnetic Study of Dilute Magnetic Glasses: xFe₂O₃+(2-x)V₂O₅+38Li₂O+60P₂O₅

Prem Chand

L. Kumar

Satish Khasa³

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Synthesis of Ferrocene‐Containing Schiff Bases Based on 3‐Aminopropyltriethoxysilane Oligomers for Covalent Modification of Glass Surfaces and Creation of Soft Magnetic Materials

Dvorikova,

Markova,

Shulgin

et al. 2024

Journal of Polymer Science

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A ferrocene‐containing oligoorganosiloxane with a number‐average degree of polymerization of 8.8 and a number‐average molecular weight of 3200 is synthesized by hydrolytic condensation of 3‐aminopropyltriethoxysilane followed by chemical modification of the resulting oligomer with acetylferrocene. Its structure is characterized by MALDI‐TOF, NMR and IR spectroscopy. 1H NMR spectroscopy shows the predominance of more thermodynamically stable units containing anti‐configuration Schiff bases. Using IR spectroscopy as well as experimental determination of surface energy and its polar (acid–base) and dispersion components, the covalent immobilization of ferrocene‐containing oligoorganosiloxane on a glass surface after heating at 110°C is shown. The formed coating provides hydrophobization, acid–base indifference of the glass surface and serves as a precursor for the formation of magnetically soft materials after pyrolysis in argon already at 350°C. The main stages of ferrocene‐containing oligoorganosiloxane thermal destruction in an inert atmosphere and the formation of a mixture of iron and silicon oxides during its thermal oxidative destruction are established by combination of TGA/DTA, IR spectroscopy and elemental analysis. The proposed approach opens up new possibilities for functionalizing silicates surfaces, creating magnetic glasses, as well as regulating surface energy and its components.

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Synthesis of Ferrocene‐Containing Schiff Bases Based on 3‐Aminopropyltriethoxysilane Oligomers for Covalent Modification of Glass Surfaces and Creation of Soft Magnetic Materials

Dvorikova,

Markova,

Shulgin

et al. 2024

Journal of Polymer Science

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Nickel doped zinc selenide nanoparticles for spin based dilute magnetic semiconductor applications

Sheokand,

Ahlawat,

Singh

2024

Micro and Nanostructures

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Effect of La2O3 on the properties of vanadium phosphate glasses: Structure-conductivity relation by molecular dynamics with self-assembly

et al. 2022

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Physical, Structural, and Magnetic Study of Dilute Magnetic Glasses: xFe₂O₃+(2-x)V₂O₅+38Li₂O+60P₂O₅

Cited by 3 publications

References 0 publications

Synthesis of Ferrocene‐Containing Schiff Bases Based on 3‐Aminopropyltriethoxysilane Oligomers for Covalent Modification of Glass Surfaces and Creation of Soft Magnetic Materials

Synthesis of Ferrocene‐Containing Schiff Bases Based on 3‐Aminopropyltriethoxysilane Oligomers for Covalent Modification of Glass Surfaces and Creation of Soft Magnetic Materials

Nickel doped zinc selenide nanoparticles for spin based dilute magnetic semiconductor applications

Effect of La2O3 on the properties of vanadium phosphate glasses: Structure-conductivity relation by molecular dynamics with self-assembly

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