Please use this identifier to cite or link to this item:
http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/53952Full metadata record
| ???org.dspace.app.webui.jsptag.ItemTag.dcfield??? | Value | Language |
|---|---|---|
| dc.contributor.advisor | 陳政維(Jeng-Wei Chen) | |
| dc.contributor.author | Wei-Yi Yu | en |
| dc.contributor.author | 余威毅 | zh_TW |
| dc.date.accessioned | 2021-06-16T02:34:27Z | - |
| dc.date.available | 2015-07-29 | |
| dc.date.copyright | 2015-07-29 | |
| dc.date.issued | 2015 | |
| dc.date.submitted | 2015-07-28 | |
| dc.identifier.citation | 1. M. Chirita, I. Grozescu, Chem. Bull. 'POLITEHNICA' Univ. (Timişoara), 54 (1). (2009)
2. Y. Chunga, S. K. Lima, C. K. Kima, Y. H. Kima, and C. S. Yoona, Journal of Magnetism and Magnetic Materials 272–276, 1167–1168. (2004) 3. J. J Wu, Y. L. Lee, H. H. Chiang, and D. K. P. Wong, J. Phys. Chem. B, 110 (37), 18108-18111 (2006) 4. J. Bowles, M. Jackson, and S. K. Banerjee, The IRM Quarterly, Spring, 20 (1). (2010) 5. H. M. Lu, X. K. Meng, J. Phys. Chem. C, 114 (49), 21291–21295 (2010) 6. N. R. Panda, B. S. Achary, P. Nayak, S. P. Pati, B. K. Nath, and D. Das, Physica B, 407, 2716–2720 (2012) 7. R. Ramesh, K. Ashok, G. M. Bhalero, S. Ponnusamy, and C. Muthamizhchelvan, Cryst. Res. Technol. 45, No. 9, 965-968 (2010) 8. J. Ma, J. Lian, X. C. Duan, X. D. Liu, and W. J. Zheng, J. Phys. Chem. C, 114, 10671–10676 (2010) 9. G. K. Pradhan and K. M. Parida, ACS Appl. Mater. Interfaces, 3, 317–323 (2011) 10. M. W. Lai, Synthesis and Characterization of Iron Oxide Nanowires, Master Thesis, Hsinchu, Taiwan: National Tsing Hua University, Department of Materials Science and Engineering. 11. Y. M. Lin, P. R. Abel, A. Heller, and C. B. Mullins, J. Phys. Chem. Lett., 2, 2885–2891 (2011) 12. M. V. Reddy, T. Yu, C. H. Sow, Z. X. Shen, C. T. Lim, G. V. S. Rao, and B. V. R. Chowdari, Adv. Funct. Mater., 17, 2792–2799 (2007) 13. H. Tüysüz, C. Weidenthaler, T. Grewe, E. L. Salabaş, M. J. B. Romero, and F. Schüth, Inorg. Chem., 51, 11745−11752 (2012) 14. Wikipedia: Chromium(III) oxide [Online] https://en.wikipedia.org/wiki/Chromium(III)_oxide 15. Y. Guo, S. J. Clark and J. Robertson, J. Phys.: Condens. Matter, 24, 325504 (2012) 16. D. Tobia, E. Winkler, R. D. Zysler, M. Granada, and H. E. Troiani, Physical review B, 78, 104412 (2008) 17. G. H. Lee, B. J. Choi, S. H. Kim, J. W. Park, and S. H. Huh, Journal of the Korean Physical Society, 43 (6), 955-957 (2003) 18. P. Tsokov, V. Blaskov, D. Klissurski, and I. Tsolovski, Journal of Materials Science, 28, 184-188 (1993) 19. T. Grygar, P. Bezdicka, J. Dedecek, E. Petrovsky, and O. Schneeweiss, Ceramics – Silikáty, 47 (1), 32-39 (2003) 20. S. Benny, R. Grau-Crespo and N. H. de Leeuw, Phys. Chem. Chem. Phys., 11, 808-815 (2009) 21. Y. Murakami, A. Sawata, and Y. Tsuru, Journal of Materials Science, 34 (5), 951-955 (1999) 22. S. Music, S. Popovic, and M. Ristic, Journal of Materials Science, 28, 632-638 (1993) 23. A. K. Bhattacharya, A. Hartridge, K. K. Mallick, C. K. Majumdar, D. Das, and S. N. Chintalapudi, Journal of Materials Science, 32, 557-560 (1997) 24. Wikipedia: Dielectric spectroscopy [Online] https://en.wikipedia.org/wiki/Dielectric_spectroscopy 25. Helmut Föll, Electronic Materials [Online] http://www.tf.uni-kiel.de/matwis/amat/elmat_en/index.html 26. Wikipedia: Arrhenius equation [Online] https://en.wikipedia.org/wiki/Arrhenius_equation 27. Y. H. Huang, Synthesis, Characterization, and Dielectric Properties of Corundum Fe2-xCrxO3 Nanoparticles (x = 0, 0.3, 0.7,1, and 2), Master Thesis, Taipei, Taiwan: National Taiwan University, Graduate Institute of Physics. 28. Topological Ferrimagnetism [Online] http://cas.umkc.edu/physics/caruso/research/topological_ferrimagnetism.html 29. N. Amin and S. Arajs, Physical Review B, 35 (10), (1987) 30. B. L. Manuel, V. V. Carlos, J. Rivas and L. Q. Marturo, Nanotechnology, 14, 318-322 (2003) 31. G. H. Lee, B. J. Choi, S. H. Kim, J. W. Park, S. H. Huh, Y. Chang, B. Kim, J. Park, and S. J. Oh, Journal of the Korean Physical Society, 43 (6), 955-957 (2003) 32. D. Li, Z. Han, J. G. Zheng, X. L. Wang, D. Y. Geng, J. Li, and Z. D. Zhang, Journal of Applied Physics, 106, 053913 (2009) 33. X. B Cao, W. H. Wang, X. H. Zhang, L. Y. Li, Y. H. Cheng, H. Liu, S. Du, and R. K. Zheng, Nanoscale Research Letters, 8 (423), (2013) 34. M. Fang, Blocking temperature [Online], http://www.science20.com/print/66083 35. D. Kumar, S. Yarmolenko, J. Sankar, J. Narayan, A. Tiwari, H. Zhou, C. Jin, A.V. Kvit, S.J. Pennycook and A. Lupini, ASME 2002 International Mechanical Engineering Congress and Exposition, IMECE2002-39364, pp. 261-267 (2002) 36. J. A. R. Guivar, A. B. Domínguez, L. M. Carbajal1, A. M. Osorio, L. D. L. Santos, and C. H. W. Barnes, Rev. Inv. Fis. 16, 131602102 (2013) | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/53952 | - |
| dc.description.abstract | 本篇論文主要在討論關於鐵-鉻氧化物系列FexCr2-xO3在燒結溫度500℃、600℃、650℃、700℃、750℃、800℃、900℃、1000℃和1200℃下之晶相結構、介電性質、以及磁性的探討，其中x = 0、0.3、0.7、1、1.3、1.7、2。
FexCr2-xO3系列的奈米顆粒以共同沉澱法製備。由掃描式電子顯微鏡 (SEM) 影像顯示其顆粒之形態及粒徑均隨著燒結溫度的不同而有變化，較高的燒結溫度可產生較大的奈米顆粒。在經過燒結後，除了基本的奈米顆粒之外，Fe2O3樣品的表面可產生多種不同的奈米結構。 此外，隨著燒結溫度的改變和鐵、鉻比例的不同，本系列樣品也有不一樣的電、磁性質。在室溫下，x = 1.3的樣品具有此系列中最大的介電常數值ε’。 | zh_TW |
| dc.description.abstract | This work reports the morphology, dielectric properties, and magnetic properties of the iron-chromium oxides FexCr2-xO3 with x = 0, 0.3, 0.7, 1, 1.3, 1.7, and 2 with calcination temperature of 500℃, 600℃, 650℃, 700℃, 750℃, 800℃, 900℃, 1000℃, and 1200℃. The FexCr2-xO3 nanoparticles series were synthesized by co-precipitation method. The results of SEM photos show both the shape and the particle size vary with the calcined temperature. The higher calcined temperature yields the bigger particles. After calcined, there are many types of nanostructure generated on the surface of Fe2O3. Moreover, the dielectric and magnetic properties have different performance as the calcination temperature and the Fe/Cr ratio changed. The sample with x = 1.3 exhibits the highest value of the dielectric constant ε’ at the room temperature. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-16T02:34:27Z (GMT). No. of bitstreams: 1 ntu-104-R02222066-1.pdf: 12570611 bytes, checksum: b9d6039a9756b751d876c7750680d942 (MD5) Previous issue date: 2015 | en |
| dc.description.tableofcontents | Inside Cover……………………………………………………… i
Verification letter from the Oral Examination Committee…………………………………………………………… ii 誌謝………………………………………………………………… iii 摘要………………………………………………………………… iv Abstract…………………………………………………………… v Table of Contents………………………………………………… vi List of Figures…………………………………………………… vii List of Tables…………………………………………………… xv Chapter 1 Introduction………………………………………… 1 1.1 Fe2O3…………………………………………………… 1 1.2 Cr2O3…………………………………………………… 6 1.3 α-Fe2O3 - Cr2O3 solid solution ……………… 8 Chapter 2 General Background ……………………………… 10 2.1 Complex Permittivity………………………………… 10 2.2 The Mechanism of Polarization…………………… 12 2.3 Arrhenius law………………………………………… 15 Chapter 3 Experimental Details……………………………… 16 3.1 Sample preparation…………………………………… 16 3.2 Microstructure investigation……………………… 18 3.3 Dielectric Properties Measurement……………… 19 Chapter 4 Results and Discussions………………………… 20 4.1 Cr2O3 (eskolaite, x = 0)………………………… 20 4.2 Fe0.3Cr1.7O3 (x = 0.3)…………………………… 42 4.3 Fe0.7Cr1.3O3 (x = 0.7)…………………………… 68 4.4 FeCrO3 (x = 1)……………………………………… 90 4.5 Fe1.3Cr0.7O3 (x = 1.3)…………………………… 115 4.6 Fe1.7Cr0.3O3 (x = 1.7)…………………………… 136 4.2 Fe2O3 (hematite, x = 2)…………………………… 154 Chapter 5 Conclusion…………………………………………… 186 References………………………………………………………… 192 | |
| dc.language.iso | en | |
| dc.subject | 傾斜反鐵磁性 | zh_TW |
| dc.subject | 氧化鐵 | zh_TW |
| dc.subject | 莫林溫度 | zh_TW |
| dc.subject | 介電常數 | zh_TW |
| dc.subject | 尼爾溫度 | zh_TW |
| dc.subject | 氧化鉻 | zh_TW |
| dc.subject | Neel temperature | en |
| dc.subject | Morin temperature | en |
| dc.subject | Canted antiferromagnetic | en |
| dc.subject | Chromium oxide | en |
| dc.subject | Iron oxide | en |
| dc.subject | Dielectric constant | en |
| dc.title | FexCr2-xO3鐵-鉻氧化物奈米微粒之微結構、介電性質及磁性研究 (x = 0、0.3、0.7、1、1.3、1.7、2) | zh_TW |
| dc.title | Morphology, Dielectric and Magnetic Properties of Iron-Chromium Oxide FexCr2-xO3 Nanoparticles (x = 0, 0.3, 0.7, 1, 1.3, 1.7, and 2) | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 103-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 陳銘堯(Ming-Yau Chern),林金福(King-Fu Lin) | |
| dc.subject.keyword | 氧化鐵,氧化鉻,傾斜反鐵磁性,莫林溫度,尼爾溫度,介電常數, | zh_TW |
| dc.subject.keyword | Iron oxide,Chromium oxide,Canted antiferromagnetic,Morin temperature,Neel temperature,Dielectric constant, | en |
| dc.relation.page | 195 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2015-07-28 | |
| dc.contributor.author-college | 理學院 | zh_TW |
| dc.contributor.author-dept | 物理研究所 | zh_TW |
| Appears in Collections: | 物理學系 | |
Files in This Item:
| File | Size | Format | |
|---|---|---|---|
| ntu-104-1.pdf Restricted Access | 12.28 MB | Adobe PDF |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.