SPİNEL FERRİT NANO-PARÇACIKLARININ HİDROTERMAL SENTEZ TEKNİĞİ KULLANILARAK HAZIRLANMASI ve MANYETİK ÖZELLİKLERİNİN ARAŞTIRILMASI

Year 2016, Volume: 17 Issue: 1 , 111 - 120 , 25.04.2016

Sema Vural , Aysel Bayrak Alphan Süleyman Köytepe Turgay Seçkin

https://doi.org/10.18038/btda.19450

https://izlik.org/JA83KT84PT

Abstract

Kobalt, nikel ve çinko ferrit nano parçacıkları hidrotermal sentez yöntemi kullanılarak sentezlenmiştir. Sentez koşullarının elde edilen spinel ferritlerin kristal yapısı, parçacık boyutu, örgü parametreleri, mikroyapı ve manyetik özellikler üzerine etkileri X-Işını Kırınım Analizi (XRD), taramalı elektron mikroskopu (SEM), Enerji-dağılımlı X-ışınları spektroskopisi (EDX) ve Mapping yöntemleriyle belirlenmiştir. Hazırlanan ferritlerin parçacık boyutu 25-70 nm arasında değişmektedir. Ayrıca, nano parçacıkların manyetik özellikleri titreşimli örnek magnetometresi (VSM) kullanılarak araştırılmıştır. Manyetik özelliklerin sıcaklık ve iyon çeşidine bağlı olarak değiştiği gözlenmiştir. Elde edilen manyetik özelliklere göre hazırlanan örnekler yüksek yoğunluklu manyetik kayıtlama cihazlarında, yüksek kullanım potansiyeline sahiptir.

Keywords

Kontrollü morfoloji , spinel ferrit , nano parçacik , manyetik nano malzeme

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