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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Simple one-step ion exchange enhanced Faraday rotation in heavy metal oxide diamagnetic glasses
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Simple one-step ion exchange enhanced Faraday rotation in heavy metal oxide diamagnetic glasses

机译：简单的一步离子交换增强了重金属氧化物抗磁玻璃中的法拉第旋转

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摘要

Ion exchanges (IE) on silicate, tellurite, borate and phosphate glass have been extensively studied for different objectives such as changing glass refractive index, strengthening glass structure or realizing nanometal-glass systems, however, ion exchange on lead-bismuth-borate diamagnetic glass for Faraday rotation improvement is interesting and attractive for magneto optical glass and magneto optical waveguide devices. In this study, for the first time, we studied the one-step Ag+-Na+ ion exchange on diamagnetic Bi2O3-PbO-B2O3-Na2O (PBBN) glass for the aim of improving diamagnetic properties and providing an efficient route for magneto-optical waveguide. The Ag+-Na+ ions has been sucessfully exchanged at 270 degrees C for 20 min condition. And without any further heat or H-2 treatment after IE, the Ag+ ions and Ag-0 nanoparticles co-existed in glass. Heat treatment in H-2 after IE not only greatly increased the Ag-0 NPs size, but also produced the Bi-0 crystals which were not helpful for glass properties. Ag nanoparticles showed characteristic surface plasmon resonance peak at 500-550 nm range. Raman spectra displayed the evolutions of Ag+ and Ag-0 in functions of different ion exchange conditions. The UV-Visible and Faraday rotation measurements suggested that high polarizability and diamagnetic susceptibility properties of diamagnetic Ag+ ions and Ag-0 nanoparticle induced surface plasmonic effects improved the optical refractive index and magneto optical Verdet constant. A simple linear optical waveguide also were obtained on PBBN glass surface using the optimized IE parameters. The proposed one-step ion exchange technique on diamagnetic glass will be an efficient method for glass properties enhancement and magneto optical waveguide fabrication.
机译：已经广泛地研究了硅酸盐，碲酸盐，硼酸盐和磷酸盐玻璃上的离子交换（即），例如改变玻璃折射率，强化玻璃结构或实现纳米玻璃系统，离子交换在铅 - 硼酸铋二磁玻璃上的离子交换对于法拉第旋转改进，对磁光玻璃和磁光波导器件来说是有趣和有吸引力的。在这项研究中，我们首次研究了二步Ag + -NA +离子交换，用于改善磁光波导提供有效的磁磁性性能并提供有效的磁光波导路径。 Ag + -Na +离子在270℃下成功交换20分钟条件。在IE之后没有进一步的热或H-2处理，Ag +离子和Ag-0纳米颗粒共存在玻璃中。在IE中的H-2中的热处理不仅大大增加了AG-0 NPS尺寸，而且还产生了对玻璃性能没有有助于的BI-0晶体。 Ag纳米颗粒在500-550nm范围内显示特征表面等离子体共振峰。拉曼光谱在不同离子交换条件的功能中显示了Ag +和Ag-0的演变。 UV可见和法拉第旋转测量表明，二极磁性Ag +离子和Ag-0纳米颗粒诱导的表面等离子体效应的高抗极化性和抗磁敏感性能改善了光学折射率和磁光脉冲常数。使用优化的IE参数在PBBN玻璃表面上获得简单的线性光波导。在抗磁玻璃上提出的一步离子交换技术将是玻璃性能增强和磁光波导制造的有效方法。

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