High magnetic susceptibility-based vanadate tellurite glasses for magneto-optical device applications

IF 2.4 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Current Applied Physics Pub Date : 2024-10-06 DOI:10.1016/j.cap.2024.10.005

Yamagouni Paramesh Goud , Nirlakalla Ravi

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Abstract

Tellurite glasses modified with V₂O₅, Fe₂O₃, and Na₂O (TVFN), along with Sm³⁺-doped Gd₂O₃ and Sb₂O₃ based tellurite (TVGSNSm) glasses evaluated for various properties. The thermal stability of these glasses, with a critical value of 105 °C advantageous to luminescence. Fourier transform infrared and micro-Raman bands were identified at 669, 745, 859, 943, and 1003 cm⁻¹ in the deconvolution. Electron spin resonance revealed a signal at a magnetic field of 340.75 mT (g = 1.77). The magnetic hysteresis of TVFN glasses from a vibrating sample magnetometer which possess coercivity 62 mT and remanence 1.5х10⁻² Am²/kg with a saturation magnetization 0.1975 A m²/kg and magnetic susceptibility as high as 0.1328. The magnetic nature confirmed by superconducting quantum interference device. Photoluminescence of Sm³⁺-doped TVGSNSm glasses excited by 408 nm showed 646 nm (red-orange) dominated emission band over the 603 nm band. These findings underscore the potential of TVFN glasses for applications in magneto-optical devices.

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用于磁光器件应用的基于高磁感的钒碲玻璃

用 V2O5、Fe2O3 和 Na2O（TVFN）改性的碲玻璃以及基于 Sm3+ 掺杂 Gd2O3 和 Sb2O3 的碲玻璃（TVGSNSm）的各种性能进行了评估。这些玻璃的热稳定性临界值为 105 °C，有利于发光。傅立叶变换红外波段和微拉曼波段在解卷积中被确定为 669、745、859、943 和 1003 cm-1。电子自旋共振在 340.75 mT 的磁场（g = 1.77）下显示出一个信号。振动样品磁力计显示了 TVFN 玻璃的磁滞现象，其矫顽力为 62 mT，剩磁为 1.5х10-2 Am2/kg，饱和磁化率为 0.1975 A m2/kg，磁感应强度高达 0.1328。超导量子干涉装置证实了其磁性。掺杂 Sm3+ 的 TVGSNSm 玻璃在 408 纳米波长的激发下发出的光致发光显示，646 纳米波长（橘红色）的发射带超过了 603 纳米波长的发射带。这些发现凸显了 TVFN 玻璃在磁光器件中的应用潜力。

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来源期刊

Current Applied Physics 物理-材料科学：综合

CiteScore

4.80

自引率

0.00%

发文量

213

审稿时长

33 days

期刊介绍： Current Applied Physics (Curr. Appl. Phys.) is a monthly published international journal covering all the fields of applied science investigating the physics of the advanced materials for future applications. Other areas covered: Experimental and theoretical aspects of advanced materials and devices dealing with synthesis or structural chemistry, physical and electronic properties, photonics, engineering applications, and uniquely pertinent measurement or analytical techniques. Current Applied Physics, published since 2001, covers physics, chemistry and materials science, including bio-materials, with their engineering aspects. It is a truly interdisciplinary journal opening a forum for scientists of all related fields, a unique point of the journal discriminating it from other worldwide and/or Pacific Rim applied physics journals. Regular research papers, letters and review articles with contents meeting the scope of the journal will be considered for publication after peer review. The Journal is owned by the Korean Physical Society.