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 Results for DC.creator="M." AND DC.creator="A." AND DC.creator="G." AND DC.creator="Aranda"   page 1 of 2 pages.
Accuracy in Rietveld quantitative phase analysis with strictly monochromatic Mo and Cu radiations
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, ch. 3.10, pp. 374-384 [ doi:10.1107/97809553602060000955 ]
... based on an article Accuracy in Rietveld quantitative phase analysis: a comparative study of strictly monochromatic Mo and Cu radiations by ... of an analyte (inorganic crystalline phases, organic crystalline phases and a glass), it is inferred that Rietveld analyses from high-energy ... those derived from Mo patterns (~0.3wt%). The LoQ for a well crystallized inorganic phase using laboratory powder diffraction was ...

Increasing amorphous content series within an inorganic crystalline phase matrix
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.9, pp. 382-383 [ doi:10.1107/97809553602060000955 ]
... employed phases. Hence, we used the SXRPD data to calculate a correction factor for quartz to yield zero amorphous content for ... powder patterns for the amorphous-material-containing series composed of a constant matrix of calcite and zincite, and increasing amounts of ground glass. Quartz was added as internal standard. (a) MoK[alpha]1, (b) CuK[alpha]1 and (c) ...

Increasing crystalline organic phase content series
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.8, pp. 381-382 [ doi:10.1107/97809553602060000955 ]
... Table 3.10.3 shows RQPA results for six mixtures prepared with G, F, L and an increasing amount of X measured with ... wt% Mo trm Cu rfl wt% Mo trm Cu rfl G 33.4 33.8 (1) 33.5 (3) 33.3 33.6 (1) 33.1 (2 ... wt% Mo trm Cu rfl wt% Mo trm Cu rfl G 33.0 34.7 (1) 33.6 (2) 32.7 32.2 (1) 31.5 ( ...

Increasing inorganic crystalline phase content series
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.7, p. 381 [ doi:10.1107/97809553602060000955 ]
... results for six inorganic mixtures with increasing amounts of i-A measured with MoK[alpha]1 (transmission) and CuK[alpha]1 ... . The Rietveld plots of the mixture with 4wt% i-A are shown in Fig. 3.10.6 . For most of the ... 33.9 (1) 33.0 (1) 34.0 34.6 (1) 34.2 (1) s-A 0.8 0.66 (3) 0.76 (5) 0.8 0.77 (4) 0.78 ( ...

Limits of detection and quantification
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.6, pp. 379-381 [ doi:10.1107/97809553602060000955 ]
... In techniques such as Rietveld analysis, the approach of having a powder pattern with its strongest (not overlapped) diffraction peak with ... and Fig. 3.10.4 shows the strongest diffraction peak for i-A in the mixtures containing 0.123wt% anhydrite (CGpQ_0.12A) and 0.25wt ... . For CGpQ_0.25A, the CuK[alpha]1 pattern yielded a clear peak with S/N = 4.1; therefore, it can ...

Crystalline single phases
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.5, pp. 377-379 [ doi:10.1107/97809553602060000955 ]
... using CuK[alpha]1 radiation in reflection mode. As expected, a transparency effect was observed in the CuK[alpha]1 patterns ... Buhrke, V. E., Jenkins, R. & Smith, D. K. (1998). A Practical Guide for the Preparation of Specimens for X-ray ... Diffraction Analysis. New York: Wiley.GoogleScholar León-Reina, L., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., ...

Powder-diffraction data analysis
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.4, p. 377 [ doi:10.1107/97809553602060000955 ]
... are reported in Table 3.10.1 . In order to provide a single numerical assessment of the performance of each analysis, a statistic based on the KLD distance was used (Kullback, 1968 ... internal standard methodology approach (De la Torre et al., 2001 ; Aranda et al., 2012 ) with quartz as an internal standard [ ...

Transmission synchrotron X-ray powder diffraction (SXRPD)
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.3.3, pp. 376-377 [ doi:10.1107/97809553602060000955 ]
... 2013 ). The wavelength, [lambda] = 0.77439(2)Å, was selected with a double-crystal Si(111) monochromator and was determined using the NIST SRM640d Si standard (a = 5.43123Å). The diffractometer is equipped with a MYTHEN-II detector system. The samples were loaded into ...
     [more results from section 3.10.3 in volume H]

Variable amorphous content series
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.2.4, pp. 375-376 [ doi:10.1107/97809553602060000955 ]
Variable amorphous content series 3.10.2.4. Variable amorphous content series A constant matrix of calcite (C) and zincite (Z) was prepared. ... elemental composition of the ground glass is given in García-Maté et al. (2014) . The mixtures were labelled CZQ ... adding ~20wt% quartz (Q) as an internal standard. References García-Maté, M., Santacruz, I., Cuesta, A., León-Reina, ...
     [more results from section 3.10.2 in volume H]

Introduction
León-Reina, L., Cuesta, A., García-Maté, M., Álvarez-Pinazo, G., Santacruz, I., Vallcorba, O., De la Torre, A.G. and Aranda, M.A.G.  International Tables for Crystallography (2018). Vol. H, Section 3.10.1, pp. 374-375 [ doi:10.1107/97809553602060000955 ]
... iii) data-analysis protocol(s). The Rietveld method is a standardless methodology which uses the crystal-structure descriptions of each ... minimize absorption and microabsorption effects, (ii) to the measurement of a higher number of Bragg peaks and (iii) to increase the irradiated volume of the specimen. Figs. 3.10.1 (a) and 3.10.1 (b) show the irradiated volumes bathed by ...

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