Details of GSAS fit for Al2O3 676a data may14/11bmb_4714 # File no. = 4714 # No. steps = 34500 # Scan time = MAY 31, 2014 22:53 # Sample name = NIST SRM 676a (Al2O3) # Composition = Aluminium Oxide (Al2O3) # Sample Comment = 0.8 mm dia Kapton # Temp (K) = 295.6 # Temp (K) = 295.0 # 2theta step (deg) = 0.001 # Time per step (sec) = 0.1 # 100/Ring Current[0] = 0.983 # Monitor I0 [0] = 92715.5 # Monitor I1 [0] = 75723.2 # Gonio._radius [mm] = 1000.0 # Calibration file = 11bmb_4699_2thcorr.calib # 2Theta correction subtracted # Normalization factor = 8.3433 # Calibrated wavelength = 0.413671 GSAS Fit Summary of 11-BM Al2O3 676 Data # by Matthew Suchomel at APS/ANL, 2014 Using GSAS/EXPGUI ************************************** lattice a = 4.75937 (refined) SRM lattice a = 4.75909 A Delta lattice a from SRM = 0.0003 A lattice c = 12.99249 (refined) SRM lattice c = 12.99178 A Delta lattice c from SRM = 0.0007 A Al X,Y,Z = 0.000000 0.000000 0.352114 (refined) Al Uiso = 0.0035 O X,Y, Z, =0.693726 0.000000 0.250000 (refined) O Uiso = 0.0035 background = 6-term Shifted Chebyschev (type #1) GSAS Profile type 4 GU = 1.32 (refined) GV = -0.29 (refined) GW = 0.04 (refined) LX = 0.73 (refined, NIST SRM does not give a particle size) S1 = 2.758E-02 (refined) S2 = 2.603E-04 (refined) S3 = 3.330E-03 (refined) SH/L = 0.0011 (FIXED) 2th zero (deg) = 0.0000 (refined) Absorption (mR/L) = 0.0 (FIXED) Rwp % = 10.1% chi**2 = 1.4