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X-Ray Diffraction

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1Â¥: Originally posted by 294945510 at 2011-08-06 09:31:34:
ÇëÎÊ£¬ºÏ³ÉÁËTiO2²ôÔӵĴ߻¯¼Á£¬XRDͼÆ×ÉϳýÁËÈñîÑ¿óÏ࣬»¹·¢ÏÖÁËÒ»¸öδ֪Ï࣬²»ÄÜÈ·¶¨ÊǰåîÑ¿ó»¹Êǽðºìʯ£¬²»Í¬ÎÄÏ×Óв»Í¬±¨µÀ£¬Ôõôȷ¶¨Õâ¸öÏàÄØ(¸½¼þÖдó¸Å30¶ÈÄǸöÏà)¡£ÁíÍâÔõôÑùÈ·¶¨Õâ¸öÏà¸úÈñîÑ¿óµÄ±ÈÀýÄØ ...

3Â¥2011-08-07 11:16:01
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xhtangxh

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294945510(½ð±Ò+10): 5 2011-08-09 10:22:38
ÓÃBruker DIFFRAC+ EVALUATION PackageµÄEVA°ïÄã´¦ÀíÁËһϣ¬¸ø³öµÄ½á¹ûÓ¦¸ÃÊÇÊÔÑùº¬84%ÈñîÑ¿óºÍ16%°åîÑ¿ó£¬Ã»Óнðºìʯ¡£ÄÉÃ×¼¶ÈñîÑ¿óºÍ°åîÑ¿ó·ÛÄ©µÄXRDÑÜÉä·åÖØµþºÜÑÏÖØ£¬Î¨¶À°åîÑ¿ó(211)¾§Ãæ(¶ÔÓ¦CuKa1ÔÚ30.8¶È³ö·å)ÎÞÖØµþ¡£ÒÔÏÂÊÇÄâºÏ½á¹û£º

Fitting limits:        10.015        60.000
Number of steps:        30
R/R0:        3.69
RWP:        39.3
Delta displacement:        -0.004        mm

Concentrations:
--------------------------
01-073-1764        84.2%        TiO2
                Anatase, syn
01-076-1934        15.8%        TiO2
                Brookite

O          40.1%
Ti          59.9%        TiO2        100.0%

01-073-1764        Anatase, syn
---------------------        TiO2
FWHM(30):        0.702        ¡ã
Crystallite Size (Scherrer):        115.9        A
I/Icor:        4.9
System:        Tetragonal
Space group:        I41/amd (141)
Cell param.:        Initial        Final
a:        3.77600        Fixed
c:        9.48600        Fixed

01-076-1934        Brookite
---------------------        TiO2
FWHM(30):        0.996        ¡ã
Crystallite Size (Scherrer):        81.7        A
I/Icor:        1.6
System:        Orthorhombic
Space group:        Pbca (61)
Cell param.:        Initial        Final
a:        9.17400        Fixed
b:        5.44900        Fixed
c:        5.13800        Fixed

Model Parameters:
------------------------------
File Name:        [Default]
Fitting limits:        3.000        60.000
Background degree:        3
Asymmetry [constant]:        1.15533       
Asymmetry [/tan(th)^2]:        0.01656       
Asymmetry [/tan(th)^2]:        0.00241625       
Broadening [*tan(th)]:        0.41164       
Broadening [*tan(th)^2]:        8.99686       
Broadening [*tan(th)^3]:        0        Fixed
Lorentz width [Left const]:        1.1025       
Lorentz width [Left/tan(th):        -0.0218831       
Lorentz width [Rigt const]:        0.971378       
Lorentz width [Right/(tan(th)]:        -0.00971113       

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2Â¥2011-08-07 11:11:39
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294945510

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ÒýÓûØÌû:
2Â¥: Originally posted by xhtangxh at 2011-08-07 11:11:39:
ÓÃBruker DIFFRAC+ EVALUATION PackageµÄEVA°ïÄã´¦ÀíÁËһϣ¬¸ø³öµÄ½á¹ûÓ¦¸ÃÊÇÊÔÑùº¬84%ÈñîÑ¿óºÍ16%°åîÑ¿ó£¬Ã»Óнðºìʯ¡£ÄÉÃ×¼¶ÈñîÑ¿óºÍ°åîÑ¿ó·ÛÄ©µÄXRDÑÜÉä·åÖØµþºÜÑÏÖØ£¬Î¨¶À°åîÑ¿ó(211)¾§Ãæ(¶ÔÓ¦CuKa1ÔÚ30.8¶È ...

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4Â¥2011-08-09 10:29:51
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