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Card Information
Names: alpha-Aluminum Oxide
Aluminium oxide - $-alpha
Formula: Al2 O3
PDF Number: 81-2266
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: rhombohedral Space Group: R-3c (no. 167)
a: 4.75400 c: 12.98200
Density (Dx): 3.997 Z: 6
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 1.02
Comments and Additional Information
ICSD Number: 073724
Temperature factor: ATF
RM REM DEN.
TI Synchrotron X-ray study of the electron density in alpha-Al2O3
WY e c (R3-CH)
AF A2X3
Literature References
General: Calculated from ICSD using POWD-12++ (1997)
Structure: Maslen, E.N., Streltsov, V.A., Streltsova,N.R., Ishizawa, N., Satow, Y. Acta Crystallogr., Sec. B: Structural Science 49 973 (1993)
Card Information
Names: beta-Aluminum Oxide
Formula: Al2 O3
PDF Number: 51-769
Quality: unknown
Subfiles: inorganic alloy CEM COR
Cell and Symmetry Information
System: hexagonal Space Group: P63/mmc (no. 194)
a: 5.683 c: 22.52
Z: 12
Instrument Information
Radiation: CuKa Wavelength: 1.5418 Filter: Ni
Instrument(d): diffractometer
Instrument(I): unknown I type: unknown
Comments and Additional Information
Preparation: A mixed solution of Kaolin-derived Al2 ( S O4 )3 and Na O H was added dropwise with stirring into ethanol. The precipitate was calcined at 1400 C for 1 hour.
General: Material contains trace quantities of Na2 S O4 !10 H2 O.
Pattern: See 00-010-0414 for Debye-Scherrer data.
Unit Cell: Reference reports: a=5.64, c=22.65.
General: Cell parameters generated by least squares refinement.
Literature References
General: Kang, H., Park, H., Kim, K. J. Mater. Sci.: Mater. Electron. 7 385 (1996)
Card Information
Names: Polyaniline
Formula: ( C6 H7 N )n
PDF Number: 53-1890
Quality: unknown
Subfiles: organic POL
Cell and Symmetry Information
System: orthorhombic Space Group: (no. 0)
a: 7.600 b: 5.868 c: 9.993
Instrument Information
Radiation: CuKa Wavelength: 1.5418
Instrument(d): diffractometer Cut Off: 29.4
Instrument(I): unknown I type: unknown
Comments and Additional Information
General: PANi(EB-II) form, flaky morphology.
Preparation: Microemulsions of aniline hydrochloride, water, cyclohexane, sodium bis-2-ethylhexylsulfosuccinate and ammonium peroxydisulfate were stirred at room temperature for 12 hours, then left standing for 24 hours.
Unit Cell: Reference reports: a=7.65, b=5.75, c=10.20.
General: Cell parameters generated by least squares refinement.
Literature References
General: Mani, A., Athinarayanasamy, K., Kamaraj, P.,Tamil Selvan, S., Ravichandran, S., Phani,K., Pitchumani, S. J. Mater. Sci. Lett. 14 1594 (1995)
Unit Cell: Pouget, J., Jozefowicz, M., Epstein, A.,Tang, X., Macdiarmid, A. Macromolecules 24 779 (1991) |
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