Refractive index calculation of high refractive index oxide glasses
| Project/Area Number |
23560814
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Japan Aerospace Exploration Agency |
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Principal Investigator |
AARAI Yasutomo 独立行政法人宇宙航空研究開発機構, 宇宙科学研究所, 主任研究員 (90371145)
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| Co-Investigator(Kenkyū-buntansha) |
MARUYAMA Kenji 新潟大学, 大学院自然科学研究科, 准教授 (40240767)
ITOH Keiji 岡山大学, 教育学部, 准教授 (80324713)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | ガラス / 屈折率 / glass / structure / 国際情報交流 |
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| Research Abstract |
High refractive index glasses are key parts for an optical applications, for example digital camera. The refractive index of Ln4Ti9O24 glasses (Ln=La, Nd and Sm) are similar with the indices of Nb2O5 and Ta2O5 thin film (n 2.3). The value is the maximum refractive index of transparent commercial glass materials. The report presents the refractive index calculation of the Ln2O3-TiO2 glasses without using the atomic structure modeling. The isotope enriched neutron diffraction experiments of SmTi2.25O6 glasses has executed. The partial pair distribution function and 3-dimensional atomic configuration of LaTi2.25O6 glass calculated by using Reverse Montel Carlo method reproduce the measured refractive index within +-0.16.
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Report
(4 results)
Research Products
(7 results)
