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論文名稱 Title |
CoO-SnO2複合陶瓷材料的缺陷微觀組織,相行為與光譜 Defect microstructures, phase behavior and optical spectra of CoO-SnO2 ceramic composites |
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系所名稱 Department |
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畢業學年期 Year, semester |
語文別 Language |
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學位類別 Degree |
頁數 Number of pages |
115 |
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研究生 Author |
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指導教授 Advisor |
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召集委員 Convenor |
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口試委員 Advisory Committee |
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口試日期 Date of Exam |
2009-06-09 |
繳交日期 Date of Submission |
2009-07-20 |
關鍵字 Keywords |
穿透式電子顯微鏡、尖晶石、析出、析出貧乏帶、成核、缺陷微結構 AEM, nucleation, G.P.zone, precipitate free zone, SnO2-CoO |
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統計 Statistics |
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中文摘要 |
本文分為三個部分,第一部份是將具岩鹽結構(rock-salt type)的CoO和金紅石結構(rutile structure)的SnO2以8:92摩爾比混合後在1400℃燒結24小時,並且在900℃退火0、5及68小時,以研究固溶微量鈷的SnO2是否析出G.P.zone並且因此造成吸收光譜的改變。第二部分為改變SnO2:CoO之摩爾比為92:8、1:1、8:92,在固定燒結200小時,以用來研究長時間燒結對於樣本中化合物顆粒之形狀與周圍晶粒之間的晶向關係,及是否有析出相的發生。第三部分為固定成分為SnO2:CoO為8:92,燒結24小時,一為空冷至室溫,一為爐冷至室溫,研究其空冷及爐冷對於析出的影響。 在用電子顯微鏡觀察後發現在摩爾比例SnO2:CoO為92:8的系統中,標本燒結24小時後,爐冷至室溫,不論有無退火,在母相SnO2即有板狀Guinier-Preston (G.P.) zone的產生,且其晶癖面平行於 ,另外發現摩爾比例SnO2:CoO為92:8系統退火超過一定時間後,其子相Co2SnO4顆粒與母相SnO2接合之面,容易出現平行於SnO2晶格的{111}與{110}面。在光譜研究方面,紫外可見光光譜(UV-visible absorption spectroscopy),與純SnO2相比,在燒結24小時無論有無退火,並沒有觀察到有明顯之吸收峰,而拉曼光譜(Raman spectroscopy),試片燒結24小時,不論有無退火皆無觀察到峰值移動(shift)。而在摩爾比例SnO2:CoO為8:92的系統中,長時間燒結後,空冷至室溫,有觀察到大量次微米級具有{111}晶癖面的摻Sn4+尖晶石Co3-δO4析出物,靠摻Sn4+ CoO之空缺及晶界成核,在晶界形成析出貧乏區,爐冷則為僅在晶界析出。進一步研究顯示,摻Sn4+之CoO的點缺陷及空缺集合的形式影響尖晶石平衡相的成核與生長形狀。最後,由以上實驗與分析,得知常壓SnO2-CoO之平衡相圖應為SnO2-Co2SnO4共晶系統與CoO-Co2SnO4共晶系統組合而成。 |
Abstract |
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目次 Table of Contents |
摘要…………………………………………………………i 目錄…………………………………………………………iii 圖表目錄……………………………………………………iv 壹、前言……………………………………………………1 貳、實驗步驟及方法………………………………………5 参、實驗結果……………………………………………….8 肆、討論…………………………………………………25 伍、結論…………………………………………………30 陸、參考文獻…………………………………………….31 |
參考文獻 References |
1.林坤財,“氧化鈷顆粒在氧化釔部分安定氧化鋯晶粒中的轉動與點缺陷聚集”,國立中山大學86學年度碩士論文. 2.P. Shen and J.Y. Wang , (2001)“Cellular Paracrystal Formation from Co-doped CaO Polycrystals” J. Solid State Chem.161,pp.341-347. 3.P. Shen and J.Y. Wang ,(2001) “Cellular Paracrystal Formation from Co-doped CaO Polycrystals” J. Solid State Chem.161,pp.341-347. 4.T.M Tsai, K.C. Yang and P. Shen,(2004)“Defect Clusters and Recipitation/Oxidation of MgO-Co1-xO Solid Solution” J. Solid State Chem.177, pp.3301-3309. 5.M.L. Jeng and P. Shen ,(2000)”Thermally Activated Rotation of Ni1-xO Particles within CaO Grains,” Mater. Sci. Eng. (A). 287, pp. 1-9. 6.W.H. Lee and P. Shen, (2004) "Co3-δO4 Paracrystal: 3-D Assembly of Nano-size Defect Clusters in Spinel Lattice" J. Solid State Chem. 177, pp. 101-108. 7.M.Y. Li and P. Shen ,(2004) “On the Nucleation and Paracrystal Interspacing of Zr-doped Co3-δO4,” Mater. Sci. Eng. B, 111, pp. 82-89. 8.K.C. Yang and P. Shen, (2005)”On the Precipitation of Coherent Spinel Nanoparticles in Ti-doped MgO,” J. Solid State Chem.178,pp.661-670. 9.陳姿蓉,“氧化鋅溶入及排出二氧化鈦造成之缺陷微觀組織以及奈米級二氧化鈦之早期燒結”,國立中山大學95學年度碩士論文. 10.劉宜隴,“Al2O3-SnO2二元系統的介穩析出與奈米Al2O3粉末之早期燒結”,國立中山大學95學年度碩士論文. 11.J. Chen and P. Shen,(1997) “On the Rotation of Nonepitaxy Ni1-xO Particles within Zirconia Grain,” Scripta Materialia 37, pp. 1287-1294. 12.S.R. Wang and P. Shen,(1998)“Rotation-Coalescence of Confined Particles in Ni1-xO/NiAl2O4 Composites,” Mater. Sci. Eng. (A) 251, pp. 106-112. 13.K.T. Lin and P. Shen,(1999)“Thermally Activated Rotation of Co1-xO Particle within Zirconia Grains,” Mater. Sci. Eng. (A) 270, pp. 125-132. 14.M.L. Jeng and P. Shen,(2000)"Thermally Activated Rotation of Ni1-xO Particles within CaO Grains," Mater. Sci. Eng. (A). 287, pp. 1-9. 15.W.H. Lee and P. Shen,(2002)“Reorientation of Intra- and Intergranular Particles in Sintered Y-PSZ/Co1-xO Composites,” Materials Science and Engineering A. 338, pp. 253-258. 16.M.Y. Li, P. Shen and S.L. Hwang,(2003)“Oxidation-decomposition Facilitated Reorientation of Nanoparticles in Reactively Sintered (Ni0.33Co0.67)1-xO Polycrystals,” Materials Science and Engineering A. 343, pp. 227-234. 17.J.Y. Wang and P. Shen,(2003)“(111)-specific Reorientation and Shape Change of Co1-xO Particles within CaO Grains,” Materials Science and Engineering A. 359, pp. 192-197. 18.M.Y. Li and P. Shen,(2005)“Interface-specific Reorientation of Embedded Tetragonal ZrO2 Particles in Ni1-xO Polycrystals,” Mater. Sci. Eng. A 398, pp. 309-317. 19.K.C. Yang, P. Shen and D. Gan,(2008)“On the Reorientation of ZrTiO4 Particles during Reactive Sintering of TiO2-ZrO2,” J. Eur. Ceram. Soc. 28, pp. 1169-1176. 20.W.H. Lee and P. Shen,(2002)“Thermal-Mismatch Induced Cleaving and Spontaneous Healing of Zirconia Dispersed Co1-xO,” Materials Science and Engineering A. 332, pp. 262-269. 21.M.Y. Li, P. Shen and S.L. Hwang,(2004)“Transformation-enabled Cleaving and Healing in Zirconia Dispersed Co1-xO,” Mater. Sci. Eng. A 386, pp. 104-111. 22.D. Shannon,(1976)“Revised Effective Ionic Radii in Halides and Chalcogenides” Acta Crystallogr. A32,pp.751-767. 23.Huo, Lu,and Ren,(2004)“Phase Relation in the Bi2O3-CoOy-SnO2 System at Room Temperature” J. Alloys and Compounds 368,pp.126-129. 24.A.Putnis,(1992)“Introdution to Mineral Sciences”, Cambridge University Press,Cambridge. 25.Kröger and H.J. Vink ,(1956)”Relations Between the Concentrations of Imperfections in Crystalline Solid”, Solid State Phys. 3,307-435. 26.M. Oku and Y. Sato,(1992)“In-situ X-ray photoelectron spectroscopic study of the reversible phase transition between CoO and Co3O4 in oxygen of 10−3 Pa,” Applied Surface Sci. 55, 37. 27.K.M. Ostyn, C.B. Carter, M. Koehne, H. Falke and H. Schmalzried ,(1984)“Internal Reaction in Oxide Solid Solution,” J. Am. Ceram. Soc. A 67,pp 679-685 28.S.R. Summerfelt and C. B. Carter,(1992)“Direct observation of nucleation embryos during NiFe2O4 precipitation in NiO,” Jounral of Materials Research, 7,pp.1271-1277 |
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