Figure 6
The lattice parameters of hydrotalcite-like phases. (a) The a parameter plotted against x for a range of Mg-Al (open circles) and Mg-Ga (filled circles) LDH preparations reported in the literature; the data for the Mg-Al LDH involve a variety of interlayer anions (i.e. OH-, CO32-, NO3-, Cl-) and are from: Mg-Al: Bellotto et al. (1996BB7); Bîrjega et al. (2005BB9); Brindley & Kikkawa (1979BB17); Budhysutanto et al. (2011BB19); Gastuche et al. (1967BB39); Han et al. (1998BB41); Jinesh et al. (2010BB53); Kaneyoshi & Jones (1999BB57); Kukkadapu et al. (1997BB63); Mascolo & Marino (1980BB71); Miyata (1980BB79); Pausch et al. (1986BB85); Rao et al. (1998BB93); Sato et al. (1988BB101); Shen et al. (1994BB103); Valente et al. (2011BB109); Xu & Zeng (2001BB115); Yun & Pinnavaia (1995BB116); Mg-Ga: Bellotto et al. (1996BB7); López-Salinas et al. (1997BB67). (b) The Mg-Al data from Fig. 6[link](a) together with two dotted lines that represent the best value of [alpha] ± 0.5%. This corresponds to a difference in [alpha] of only 1°, i.e. the dotted lines are for [alpha] = 96.92 and 97.89°. (c) The c' parameter plotted against x for a range of Mg-Al-CO3 (open circles) and Mg-Ga-CO3 (filled circles) LDH preparations reported in the literature. Data are from: Mg-Al: Bellotto et al. (1996BB7); Bîrjega et al. (2005BB9); Brindley & Kikkawa (1979BB17); Budhysutanto et al. (2011BB19); Gastuche et al. (1967BB39); Iyi et al. (2007BB50); Iyi & Sasaki (2008BB51); Jinesh et al. (2010BB53); Miyata (1980BB79); Pausch et al. (1986BB85); Rao et al. (1998BB93); Sato et al. (1988BB101); Shen et al. (1994BB103); Valente et al. (2011BB109); Yun & Pinnavaia (1995BB116); Mg-Ga: Bellotto et al. (1996BB7); López-Salinas et al. (1997BB67). (d) The a parameter plotted against x for Mg-Al,Fe LDH preparations. The lines are explained in the text. The data are from Rozov et al. (2010BB100) (open circle), Manohara et al. (2011BB69) (open square) and Meng et al. (2004BB72) (filled square).  [article HTML]