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Structure Criterion.
-C. zur Loye, “Recent developments in oxide ion conductors: Aurivillius phases,” Chemistry of materials, vol. 8, no. 3, pp. 642--649, 1996
Subbarao, “A family of ferroelectric bismuth compounds,” Journal of Physics and Chemistry of Solids, vol. 23, no. 6, pp. 665--676, 1962
Rogez, “Post-synthesis modification of the aurivillius phase Bi2SrTa2O9 via in situ microwave-assisted “click reaction,” Inorganic chemistry, vol. 55, no. 19, pp. 9790--9797, 2016
Ismunandar, “Ferroelectric properties of BaBi4Ti4O15 doped with Pb2+, Al3+, Ga3+, In3+, Ta5+ aurivillius phases,” Indonesian Journal of Chemistry, vol. 9, no. 3, pp. 398--403, 2010

Synthesis of Three-dimensionally Interconnected Hierarchical Meso/Mesoporous Tb3+ doped Titania with Enhanced Photocatalytic Activity Wei YIN*, a, Lei SHI b, Dan-Hua ZHAO c, Xiu-Lian ZHANG d Department of Chemistry, Guangdong University of Education, Guangzhou 510303, P.
The hierarchical structure-in-structure arrangement of mesopore and micropore is important in molecule traffic control and in the resistance of the photocatalyst to poisoning by inert deposits [12].
The structure-directing agent was C16H33N(CH3)3Br (see text)
Atkins: Chemistry, 4th ed.
H.Yuan: J. of Solid State Chemistry Vol. 181 (2008), p. 1936

Introduction Cathodoluminescence (CL) has traditionally been a very important method for studying both chemistry and physical structure of materials into the scanning electron microscope (SEM).
However, due to standardized fabrication and packaging procedures, residual stresses cannot be easily avoided just by empirically optimizing these complicated structures.
The above effect may manifest both in crystalline and in amorphous structures, independent of the specific luminescence mechanisms involved, including CL spectra generated from, for example, substitutional impurities and optically active point defects.
For brevity's sake, we shall limit here the discussion to a purely qualitative level; however, the above considerations suggest that significant improvements in spatial resolution are possible for PS stress assessments by CL, above the traditional CL defect/chemistry imaging. 4.
Mc Clure, in Treatise on Solid State Chemistry, Vol. 2.

Their structures are shown in Figure 1.
This further proves that the structures of the ionic liquids conform to Figure 1.
Journal of chemistry, 2002,65 (4) : 243-250.
(in chinese) [4]Weng J Y,Wang C M,Li H R,et al.Green Chemistry,2006,8(1): 96-99
[5]Chiappe C,Leandri E,Tebano M.Green Chemistry,2006,8(8):742-745

Yang1 1 Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China 2 Chemistry Invention Examination Department, State Intellectual Property Office, Beijng 100088, China a qiangls@sina.com.cn, bliubing@sipo.gov.cn, cleegermu@yahoo.com.cn Keywords: MCM-41 mesoporous sieves, rare earth complex, Inorganic/organic hybrids, Luminescence Abstract.
Results indicated that the hybrid mesoporous material has typical structure of MCM-41 and retains the same pore structure as MCM-41 after the assembly process.
Therefore, the luminescent property of the rare earth complex has been extensively studied with a goal to find inorganic-supported with good stability for light, heat and chemistry.
Eu(phen)2/MCM-41 retains typical hexagonal structure of MCM-41 after the assembly process.
Yang et al.: Journal of Inorganic Chemistry. 6 (1990), P. 249 [10] H.S.

The both ends of the molecular structure of the synthesized UV-curable sealant include two C=C bonds which belong to π-electronic structure.
The majority of the organic molecules with planar structure have a strong fluorescence, because this molecular structure can reduce the vibration of molecules.
Table 1: Maximum fluorescence intensity of anionic surfactant with different structure.
Jónsson, in: Theoretical Methods in Condencsed Phase Chemistry, edited by S.D.
Schwartz, volume 5 of Progress in Theoretical Chemistry and Physics, chapter, 10, Kluwer Academic Publishers (2000)

Preparation and characterization of Na7[CoCrW11O39 (H2O)]·15H2O for electrical conductivity Bei-ping Yanga, Li-qiang Chenb,*, Xiu-mei Lin, Ming-xia Zhu Department of Chemistry, Heihe University, Heihe, Heilongjiang 164300, China ahhxyybp@163.com, bchlqhhxy@163.com Keywords: Heteropoly compounds, Keggin structure, ICP, Conductivity.
Nowadays, many solid proton conductor of heteropoly compounds have been reported, such as Na7[CoCrW11O39 (H2O)]·15H2O, which show that this field continues to have a prominent place at the forefront of heteropoly compounds chemistry.
The positions and intensities of the main peaks are similar to those expected for the Keggin structure.
Combined with IR, it can be considered that Na7[CoCrW11O39 (H2O)]·15H2O possesses the Keggin structure [9-11].
The IR and XRD indicate that its structure is Keggin structure.

The morphology structure of the milled powders shows the particles size becomes rounded, flat and rough as the milling time prolongs.
Larger elliptical shaped structures exhibit the presence of nanoparticles [14].
Color chemistry: syntheses, properties, and applications of organic dyes and pigments: John Wiley & Sons J.
Organic chemistry in colour: Springer Science & Business Media
Materials Chemistry and Physics, 239, 122021.

Lu: Journal of Materials Chemistry Vol. 20 (2010), p. 831-843 [8] W.
Batzill: Nature Chemistry Vol. 3 (2011), p. 296-300 [11] X.
Xu: Physical Chemistry Chemical Physics Vol. 16 (2014), p. 16891-16903 [19] N.
Manorama: Chemistry of Materials Vol. 20 (2008), p. 2455-2460 [29] K.
Li: New Journal of Chemistry Vol. 35 (2011), p. 353-359

The results showed that the main phase of the combustion products is CaAl2O4 with monoclinic crystal structure.
The crystal structure of the sample was checked by Rigaku D/max 2500V/PC X-ray diffraction (XRD) made in Japan.
The main phase is monoclinic phosphorus quartz crystal structure of CaAl2O4 containing impurity phase CaAl4O7.
The results show that the primary phase is still the monoclinic phosphorus quartz crystal structure of the CaAl2O4 after adding glycine.
(In Chinese) [6] Zhiguo Xiao, Xixian Luo, and Wei Xia: Journal of the Chinese Rare Earth Society, 19 (6) (2001): p. 561 (In Chinese) [7] Cheng kang Chang, Jie Xue, and Ling Jiang: Materials Chemistry and Physics, 98 (2006): p.509 [8] Xiaorui Liu, Yuqi Zhang, Ruijun Zhang: J.