Vibrational Studies of Zinc Antimony Borophosphate Glasses Doped Rare Earth

Aliff Rohaizad, Rosli Hussin, Nur Aimi Syaqilah Aziz, Royston Uning, Nur Zu Ira Bohari
2013 Jurnal Teknologi  
Zinc antimony borophosphate glasses has been determined for [10P2O5 -40B2O3 -xSb2O3 -(50-x)ZnO] and composition of [10P2O5 -40B2O3 -40Sb2O3 -10ZnO] has been doped with 1 mol% of rare earth (Eu, Nd, Sm, Er). The functions of compositional changes on their structural features were examined using X-Ray Diffraction (XRD) to detect the amorphousity phase present. While Fourier Transform Infrared (IR) Spectroscopy were used to identify the presences of vibrational modes and band assignments of
more » ... te, borate, antimony, zinc and Rare earth ion in the system. XRD results expose that crystalline phase changes with different amount of zinc and antimony substitution. Hydroxyl group absorption also vary due to this composition changes and clearly shown in IR spectroscopy in the ranges 1400-4000 cm -1 . Result of IR spectroscopy indicated that bands around 1440 cm -1 and 760 cm -1 was ascribed to the vas(B-O-B) and vs(P-O-P) vibration respectively. The changes of this vibration indicated that P-O-B linkage was formed near 660 cm -1 . The modification of zinc antimony borophosphate glasses with rare earth was studied and showed present of rare earth ion in the glass system does not change the structural features. Abstrak Kaca zink antimoni borofosfat ditentukan bagi [10P2O5 -40B2O3 -xSb2O3 -(50-x)ZnO] dan pada komposisi [10P2O5 -40B2O3 -40Sb2O3 -10ZnO] kaca telah didop dengan 1 mol% nadir bumi (Eu, Nd, Sm, Er). Kesan dari perubahan komposisi terhadap ciri-ciri struktur sampel telah diperiksa menggunakan Difraktometer Sinar X-Ray (XRD) untuk mengesan fasa polihablur. Manakala Inframerah (IR) Spektroskopi digunakan untuk mengenalpasti mod getaran dalam kumpulan fosfat, borat, antimoni, zink dan ion nadir bumi di dalam sistem. Keputusan XRD mendapati bahawa fasa kristal berubah seiring perubahan komposisi zink dan antimoni. Perubahan terhadap komposisi juga menunjukan perubahan terhadap kumpulan hidroksil dan boleh dilihat dengan jelas dalam spektroskopi IR pada julat 1400-4000 cm -1 . Keputusan IR juga menunjukkan bahawa terdapat mod getaran bagi kumpulan vas (BOB) pada frekuensi 1440 cm -1 dan kumpulan vs (POP) di sekitar 760 cm -1 . Perubahan keamatan mod getaran ini menunjukkan bahawa hubungan P-O-B telah terbentuk berhampiran 660 cm-1. Pengubahsuaian gelas borofosfat zink antimoni dengan nadir bumi telah dikaji dan menunjukkan kehadiran ion nadir bumi dalam sistem kaca tidak mengubah ciri-ciri struktur. Kata kunci: Kaca; borofosfat; sistem kuatenari; spektroskopi inframerah; spektroskopi raman
doi:10.11113/jt.v62.1900 fatcat:wi2id7yxtnbb7f7pcaf665vmne