Fe+ İyonu Aşılanmış TiO2 Tek Kristallerin Manyetik Özelliklerinin İncelenmesi

Abstract

Bu çalışmada, oda sıcaklığında demir (Fe⁺) iyonları ile aşılanmış (100) ve (001) kristal yönelimine sahip tek kristal ve polikristal TiO₂ alttaşların manyetik özellikleri sunulmaktadır. İyon aşılama sonrasında ısıl işleme tabi tutulan ve tutulmayan örneklerin mıknatıslanma, g- faktörü ve kristal manyetik anizotropileri Elektron Manyetik Rezonans (EMR) ve Titreşimli Örnek Manyetometre (VSM) teknikleri kullanılarak incelenmiştir. Deneysel veriler teorik bir modele dayandırılarak özel bir bilgisayar programı ile fit edilmiştir. Elde edilen sonuçlar, aşılanmış örneklerin ferromanyetik bir davranış sergilediklerini ve manyetik özelliklerinin örneğin kristal yönelimine oldukça bağlı olduğunu göstermiştir. 

Keywords

• Ferro Manyetik Rezonans (FMR),Elektron Paramanyetik Rezonans (EPR),Titreşimli Örnek Manyetometre (VSM),TiO2,İyon aşılaması

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