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weidenghu新蟲 (初入文壇)
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[求助]
四方相FeSe的密度文獻
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| 求:有關(guān)四方相FeSe密度的文獻?文獻中一定要給出來具體密度數(shù)值。非常感謝。! |
木蟲 (著名寫手)
有木有蟲
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Card Information Names: Iron Selenide Achavalite, syn Formula: Fe Se PDF Number: 75-608 Quality: calculated Subfiles: inorganic mineral alloy COR FIZ Cell and Symmetry Information System: hexagonal Space Group: P63/mmc (no. 194) a: 3.61 c: 5.87 Density (Dx): 6.756 Z: 2 Instrument Information Radiation: CuKa1 Wavelength: 1.54060 Instrument(d): calculated Cut Off: 17.7 Instrument(I): calculated I type: peak heights I/Icor: 5.74 Comments and Additional Information ICSD Number: 029308 RM REM M PDF 26-795. TT No R value given. TT At least one TF missing. Pattern: See PDF 00-026-0795. TI Roentgenographische Untersuchungen der Kristallstrukturen von Magnetkies, Breithauptit, Pentlandit, Millerit und verwandten Verbindungen OC Cell from J. Phys. Soc. Jpn., 11 666-670 (1956): 3.548, 5.733 (room temperature); 3.610, 5.928 (773 K). WY c a (P63/MMC) AF AX Literature References General: Calculated from ICSD using POWD-12++ (1997) Structure: Alsen, N. Geol. Foeren. Stockholm Foerh. 47 19 (1925) |
木蟲 (著名寫手)
有木有蟲
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兩個來源: 1. Card Information Names: Iron Selenide Formula: Fe Se PDF Number: 65-9126 Quality: calculated Subfiles: inorganic alloy NST Cell and Symmetry Information System: tetragonal Space Group: P4/mmm (no. 123) a: 4.18 c: 4.73 Density (Dx): 5.416 Z: 2 Instrument Information Radiation: CuKa1 Wavelength: 1.54060 Instrument(d): calculated Instrument(I): calculated I type: peak heights I/Icor: 9.31 Comments and Additional Information MC A 29282 10306 0 Temperature factor: TF TF was not given, B set to 1.000 for calc. Polymorphism: The phase studied (CuAu structure type) is a high temperature form of FeSe. Annealing of the low temperature cubic FeSe phase resulted first in the formation of the hexagonal (Ni As type structure) and then - tetragonal (CuAu structure type) phase. Preparation: Thin films of Fe Se were prepared by interdiffusion technique. TI Studies of structure, electrical resistivity, and modulated structures in Fe Se and Ni Se alloys. Literature References General: Calculated from NIST using POWD-12++ ( ) Structure: Srivastava, M.M., Srivastava, O.N. Acta Crystallogr., Sec. A 31A S82 (1975) 2. Card Information Names: Iron Selenide Formula: Fe Se PDF Number: 85-735 Quality: calculated Subfiles: inorganic alloy COR FIZ Cell and Symmetry Information System: tetragonal Space Group: P4/nmm (no. 129) a: 3.76500 c: 5.51800 Density (Dx): 5.723 Z: 2 Instrument Information Radiation: CuKa1 Wavelength: 1.54060 Instrument(d): calculated Cut Off: 17.7 Instrument(I): calculated I type: peak heights I/Icor: 6.11 Comments and Additional Information ICSD Number: 026889 TT No R value given. TT At least one TF missing. TI Roentgenuntersuchungen am System Eisen - Selen. WY c a (P4/NMMS) AF AX Literature References General: Calculated from ICSD using POWD-12++ (1997) Structure: Haegg, G., Kindstroem, A.L. Z. Phys. Chem. (B) 22 453 (1933) |
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木蟲 (著名寫手)
有木有蟲
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