Fosfat Çinko Tellürit Camlarda ZnO/In2O3 Yer Değişimi Sonucu Fiziksel, Optik ve Radyasyon Zırhlama Yetenekleri Üzerine Bir Çalışma

Eritme-tavlama yöntemi ile sentezlenen yeni In2O3 katkılı çinko fosfat tellürit camların özellikleri incelenmiştir. Sentezlenen camların saydam oldukları gözlemlenmiştir. Sentezlenen cam yoğunlukları, In2O3’ün katkı oranına bağlı olarak önemli ölçüde değişmiştir. Bu da radyasyon koruma yeteneklerinin geliştirilebileceği anlamına gelir. Öte yandan, molar hacim değerlerindeki neredeyse lineer artış, ZnO/In2O3 yer değişimi sonucunda cam ağının genişlediğini göstermektedir. In2O3 katkı oranı arttıkça optik bant aralığı değeri 2,96 eV’den 3,47 eV’ye yükselirken, Urbach enerjileri 0,350 eV’den 0,180 eV’ye düşmektedir. In2O3 katkısının fosfat çinko tellürit camlarının yapısını düzenleyici etkisi vardır. Radyasyon zırhlama özellikleri açısından değerlendirilen fosfat çinko tellürit camlarda In2O3 katkısının bu özelliklere önemli katkı sağladığı ve en iyi radyasyon zırhlama özelliğine sahip camın %6 mol In2O3 katkılı cam olduğu görülmüştür. Fosfat çinko tellürit camlarındaki ZnO/In2O3 yer değiştirmesi ile üretilen camların yoğunluk değerlerinin arttırılarak radyasyon zırhlama özelliklerinin geliştirilebildiği söylenebilir.

Anahtar Kelimeler:

Tellürit camlar, ZnO, In2O3, Optik bant aralığı, Radyasyon zırhlama

A Study on the Physical, Optical and Radiation Shielding Capabilities of Phosphate Zinc Telluride Glasses as a Result of ZnO/In2O3 Translocation

New In2O3-doped phosphate zinc tellurite glasses synthesized using melt-quenching method were investigated. It was observed that the synthesized glasses exhibit transparent properties. Densities of synthesized glasses changed significantly related to the doping ratio of In2O3. This implies that radiation shielding abilities can be enhanced. In other respects, the almost linear elevation in molar volume values indicated that the glass network expanded as a result of the ZnO/In2O3 translocation. As the additive ratio increases, the optical band gap value increases from 2.96 eV to 3.47 eV, while the Urbach energies decrease from 0.350 eV to 0.180 eV. In2O3 contribution has a regulatory effect on the structure of phosphate zinc tellurite glasses. In phosphate zinc tellurite glasses evaluated in terms of radiation shielding properties, it was observed that the In2O3 additive contributed significantly to the shielding properties and the glass with the best radiation shielding was 6 mol% In2O3 doped glass. It is obvious that by raising the density values of the produced glasses, the ZnO/In2O3 translocation in phosphate zinc tellurite glasses enhanced their radiation shielding properties.

Keywords:

Tellurite glasses, ZnO, In2O3, Optical band gap, Radiation shielding,

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