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Tucker, Thermal Transformations of Aluminas and Alumina Hydrates-Reaction with 44% Technical Acid., Industrial & Engineering Chemistry, 42 (1950) 1398–1403
Garvie, Stabilization of the tetragonal structure in zirconia microcrystals, The Journal of Physical Chemistry, 82 (1978) 218–224
Stolin, Synthesis and structure peculiarities of composite material based on Al2O3–ZrO2 hardened with W and WB particles, Journal of Alloys and Compounds, 856 (2021) 157576
Triwikantoro, Structural, physical and mechanical properties of zirconia-polymorph/alumina composites, Materials Chemistry and Physics, 285 (2022) 126102
Talayian, The effect of alumina content on the structural properties of ZrO2-Al2O3 unstabilized composite nanopowders, International Journal of Industrial Chemistry, 3 (2012) 1–8

An Investigation on the Adsorbent Material of Fly Ash DAN Fu1,a* 1Department of Chemistry, Liao Ning Petrolchemical Vocational and Technology College, Liaoning 121001, China afudan20030333@126.com Keywords: Fly ash, Capacity, Adsorbent Abstract.
SEM of fly ash showed that the particles were similar to lamellar structure and the particle shape was irregular.
The particles are similar to lamellar structure.
Hysteresis loop back belongs to H3 slit pore which shows that fly ash hole is produced by some similar by layered structure, the results are consistent with Fig. 3.
Acknowledgements This work was financially supported by Liao Ning Petrolchemical Vocational and Technology College and the Department of chemistry.

Nanomaterials exhibit highly tunable size- and shape-dependent chemical and physical properties, show unique surface chemistry, thermal and electrical properties, high surface area and large pore volume per mass unit area.
This is because materials that are smaller than the characteristic lengths associated with the specific phenomena often display new chemistry and new physics that lead to new properties that depend on size.
When the size of the structure is decreased, this ratio increases considerably and the surface phenomena predominate over the chemistry and physics in the bulk.
However, the nanotechnology deals with the study and application of structures of matter with at least one dimension of the order of less than 100 nm [5].
CRC Press Inc, Boca Raton (1988) [93] Silvia J, Williams R: The biological Chemistry of the Elements: The Inorganic Chemistry of Life.

No amorphous phases were present indicating that the crystal structure of calcium phosphate compounds is present in crystalline form.
This indicates that structural optimization should be useful for explaining at least some of the features encountered in bone structures.
Optimized structures found in nature can be sometimes imitated in engineering structures.
The results indicate that bone minerals vary with different factors, the structure and chemistry of bone mineral and related synthetic and mineral apatite's.
Sekar, Department of chemistry, IIT Madras.

The crystal structures and microstructures of BTO powders were investigated by using x-ray diffraction (XRD), and transmission electron microscope (TEM).
The effect of sintering temperature on the structure and morphology of BTO was investigated.
The crystal structures of BTO powders were characterized by x-ray diffraction (XRD) (D/max 2500) with Cu Kα radiation.
Sequential reaction between Bi2Ti4O11 and Bi2O3 resulted in the formation of Bi4Ti3O12 phase with tetragonal structure at about 644 oC and stable Bi4Ti3O12 (BTO) phase with orthorhombic structure was finally formed at about 830 oC.
The effect of sintering temperature on the structure and morphology of BTO was investigated.

TbFeO3 with ferromagnetic structure and antiferromagnetic structure are investigated.
So it has become one of the highlights in material science, chemistry and physics research [1].
Obviously, the calculated values of AFM structure are larger than that of FM structure.
Fig.1 shows energy band structures of TbFeO3 with AFM structure.
Expect the area near Fermi energy, band structures of TbFeO3 with FM structure are similar with that of TbFeO3 with AFM structure.

Yallur1,d, Vinayak Adimule4,e 1Department of Chemistry, M.S.
Physical Chemistry Research. 7, 4 (2019) 799-812
Moroccan Journal of Chemistry. 8, 2 (2020) 8-2
Arabian Journal of Chemistry. 14, 6 (2021) 103180
Materials Today Chemistry. 20 (2021) 100438

The chemical structure of catechin, alginate, and Cate-ALG hydrogel was determined using FT-IR.
This calcium ion - alginate network is also called the egg-box structure [32, 33].
The FT-IR spectra and SEM images characterized the functional group and surface structure of the Cate-ALG gel.
Sadowska-Bartosz, Antioxidant properties of catechins: Comparison with other antioxidants, Food Chemistry. 241 (2018) 480–492
Jakobek, Interactions of polyphenols with carbohydrates, lipids and proteins, Food Chemistry. 175 (2015) 556–567

Using infrared spectroscopy and elemental analysis to characterize its structure.
References [1] Yonglan Feng, Daizhi Kuang: Inorganic Chemistry(in china),1998,14:143-147
[2] Daizhi Kuang, Yonglan Feng: Inorganic Chemistry(in china),2000,16(4):603-606
[4] Handong Yin, Chuanhua Wang, etc: Inorganic Chemistry(in china),2003,19(3):287-290
[6] Zhengyin Yang, Rudong Yang, Kai-Bei Yu: Chemistry(inchina),1999,57(3):236-243

The behaviour of a coating is directly related to its microstructure as well as the crystal structure and composition of different phases that are formed in the deposition process.
A comprehensive study of the microstructure and local phase assembly in coatings would help in arriving at structure-property correlations that can help understand the coating behaviour.
However, droplets form due to segregation of particles before the coating is formed [2], causing local changes in chemistry, which in turn leads to property variation.
Local changes in chemistry often cause some phases to be precipitated and such aspects need to be well-understood for improved performance.
Another approach is the identification of phase through symmetry determination in EBSD patterns, as reported by Dingley and Wright [4], the aim being to determine the phase without using a database and without prior knowledge of the chemistry of the phase.