Sema Vural, Aysel Bayrak Alphan, Süleyman Köytepe, Turgay Seçkin

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

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.

Anahtar Kelimeler:

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

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