@article{cheng_bereman_de grave_bowen_2001, title={A study of aluminum-substituted iron dextran complexes by Mossbauer spectroscopy and X-ray diffraction}, volume={13}, ISSN={["0897-4756"]}, DOI={10.1021/cm000489v}, abstractNote={Two aluminum-substituted iron dextran complexes and one nonsubstituted have been synthesized and characterized by Mossbauer spectroscopy over a wide temperature range (10−298 K) and by X-ray powder diffraction at room temperature. The mean coherence lengths in the directions perpendicular to (211) and (200) are different, indicating that the core iron oxide materials are oblong in shape. The X-ray diffraction patterns of all complexes are very similar, with broad, weak peaks at 5.0, 3.3, 2.5, 2.25, 1.6, and 1.8 A. These values are consistent with cell-contracted akaganeite, β-FeOOH. The three samples exhibit different temperatures for the onset of magnetic splitting in their Mossbauer spectra. The Mossbauer spectra obtained at room temperature can be adequately fitted with a model-independent distribution of quadrupole doublets, while at low temperatures a superposition of distributions of sextets and doublets is required. The obtained Mossbauer parameters are in line with the structural features. This is...}, number={1}, journal={CHEMISTRY OF MATERIALS}, author={Cheng, TR and Bereman, R and De Grave, E and Bowen, LH}, year={2001}, month={Jan}, pages={136–140} }
 @article{knight_bowen_bereman_huang_de grave_1999, title={Comparison of the core size distribution in iron dextran complexes using Mossbauer spectroscopy and X-ray diffraction}, volume={73}, ISSN={["0162-0134"]}, DOI={10.1016/S0162-0134(99)00020-3}, abstractNote={Mössbauer spectra of a series of iron dextran complexes in the intermediate temperature range where both sextet and doublet coexist may be used to obtain a qualitative description of the distribution of core sizes in these samples. Eight samples from five suppliers have been examined at 100 and 77 K. These differ markedly in the relative doublet contribution to the total spectral area and also in the hyperfine fields characterizing the sextets. The results indicate three distinct types of distribution. One sample from each type has also been examined at 4 K, where the doublet component has vanished and the hyperfine field distribution has become narrow and symmetric. These data are compared with estimates of average core diameters from X-ray line broadening.}, number={4}, journal={JOURNAL OF INORGANIC BIOCHEMISTRY}, author={Knight, B and Bowen, LH and Bereman, RD and Huang, SY and De Grave, E}, year={1999}, month={Apr}, pages={227–233} }
 @article{de grave_costa_bowen_barrero_vandenberghe_1998, title={Characterisation of soil-oxide analogs by applied-field Fe-57 Mossbauer spectroscopy}, volume={117}, ISSN={["0304-3843"]}, DOI={10.1023/A:1012643326691}, number={1-4}, journal={HYPERFINE INTERACTIONS}, author={De Grave, E and Costa, GM and Bowen, LH and Barrero, CA and Vandenberghe, RE}, year={1998}, pages={245–270} }