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【求助完成】求助Nb2O5PDF卡片【有效期至2008年10月7日】
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Nb2O5存在3种晶型，请教其三种晶型XRD分析的PDF卡片，只要卡片号即可 最好有参考文献说明出处 [ Last edited by wx318 on 2008-9-13 at 17:36 ] |
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第一个： Card Information Names: alpha-Niobium Oxide Formula: Nb2 O5 PDF Number: 9-372 Quality: questionable Subfiles: inorganic alloy Cell and Symmetry Information System: monoclinic Space Group: P2 (no. 3) a: 21.34 b: 3.816 c: 19.47 b: 120.3 Density (Dm): 4.550 Density (Dx): 4.520 Z: 14 Instrument Information Radiation: CuKa Wavelength: 1.5418 Filter: Ni Instrument(d): diffractometer Instrument(I): diffractometer I type: unknown Comments and Additional Information Deleted by: Delete: Weissmann December 31, 1963 (for Set 15). Melting Point: 1490 General: High temperature modification; gamma-Nb2 O5 transforms to the alpha form irreversibly at 830 C. Literature References General: Holtzberg. J. Am. Chem. Soc. 79 2039 (1957) |
2楼2008-09-13 00:25:18
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第二个： Card Information Names: beta-Niobium Oxide Formula: Nb2 O5 PDF Number: 19-862 Quality: indexed Subfiles: inorganic alloy COR CP Cell and Symmetry Information System: monoclinic Space Group: P (no. 0) a: 22.10 b: 7.638 c: 19.52 b: 118.3 Instrument Information Radiation: CuKa Wavelength: 1.5418 Filter: Ni Instrument(d): unknown Instrument(I): diffractometer I type: unknown Literature References General: Terao. Jpn. J. Appl. Phys. 4 8 (1965) |
3楼2008-09-13 00:27:40
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
wx318(金币+10,VIP+0):谢谢了，关于alpha-Niobium Oxide 我从其它文献上看好像27-1003可信度高一点
wx318(金币+10,VIP+0):谢谢了，关于alpha-Niobium Oxide 我从其它文献上看好像27-1003可信度高一点
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第三个： Card Information Names: gamma-Niobium Oxide Formula: Nb2 O5 PDF Number: 19-864 Quality: indexed Subfiles: inorganic alloy COR Cell and Symmetry Information System: monoclinic Space Group: P (no. 0) a: 7.348 b: 8.962 c: 13.65 b: 115.5 Z: 8 Instrument Information Radiation: CuKa Wavelength: 1.5418 Filter: Ni Instrument(d): unknown Instrument(I): diffractometer I type: unknown Literature References General: Terao. Jpn. J. Appl. Phys. 4 8 (1965) |
4楼2008-09-13 00:28:39
