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Introduction To expand the use of advanced ceramics, it is necessary to develop rapid, reliable, and economical methods that allow complex structures to be assembled easily from simpler parts.
The relevant diffusivity depends on temperature, chemistry, and microstructure.
To assess interlayer chemistry, and particularly the concentration profiles of the Ni or Co, multiple microprobe scans were taken across the interlayer and perpendicular to the ceramic/interlayer interfaces.

Xavier’s College, Tribhuvan University, Kathmandu, 44600, Nepal 3Central Department of Physics, Tribhuvan University, Kirtipur, Kathmandu,44618, Nepal 4Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu,44618, Nepal adin.2033@gmail.com, bmbcranipur7@gmail.com, cthapa.saroj88@gmail.com, djoshisuryakumari@gmail.com Keywords: ZnO Film, Optical properties, Swanepoel method, Gas sensor, Ethanol.
The result of structural characterisation confirmed the polycrystalline nature and hexagonal wurtzite structure of the film with an average crystallite size of ~31 nm and a Zn-O bond length of 1.9435 Å.
The pattern demonstrated the polycrystalline structure of the ZnO, with diffraction peaks aligned along the (100), (002), (101), (102), (110), (103), and (112) planes.
Fig. 3: XRD of ZnO film The Zn–O bond length L is calculated utilizing formula [25]: L=a2312-u2c2……………… (14) where the u parameter in the wurtzite structure is related to ratio a/c and is given by u= a23c2+0.25…………………(15) The lattice parameters, a and c, were calculated using appropriate formula for hexagonal crystal structure [30].
Mortezaali, Room temperature H2S gas sensor based on rather aligned ZnO nanorods with flower-like structures, Sens.

Structure model.
The material crystallizes in the cubic fluorite structure.
According to Eq. 14 the defect chemistry is dominated by dopant ions and oxygen vacancies.
Fig. 12: Side view (left) and top view (right) of LaSrGa3O7 melilite structure.
Structure created with VESTA [40].

The porous structure facilitates channels for water/small gas molecules to diffuse into the film surface where corrosion occurs.
The initial oligomer periodic boundary condition structures are grown with Amorphous Cell modules which implement a modification of the rotational isomeric state (RIS) method.
The SSO film structures and processing conditions strongly influence the anticorrosion properties of coatings.
An adequate amount of TEOS modifier can support f-GS to fabricate a denser structure which significantly improves the anticorrosion properties of coatings [21].
Laine, Division of Polymer Chemistry, Inc.

Clay minerals The physical and chemical properties of a particular clay mineral depend on its structure and composition.
Two-layer type (sheet structures composed of units of one layer of silica tetrahedrons and one layer of alumina octahedrons) 1.
Three-layer types (sheet structures composed of two layers of silica tetrahedrons andone central dioctahedral or trioctahedral layer) 1.
Clay minerals usually have a hexagonal lamellar crystalline structure.
(Source: Reeves et al., 2006) Reeves et al. [5] classified the clay minerals according to their structure as shown in table 2.

(a) The optimized structure (b) HOMO and (c) LUMO of (ZnO)12 nano-cage. 3.
This value indicates that the (ZnO)12 nano-cage is a stable structure.
Various possible adsorption structures were investigated.
The optimized structure of CH2O adsorption modes on (ZnO)12 nano-cage.
Ammar, Journal of Molecular Structure:THEOCHEM, 823(2007) 47-58

The reason for this is that the rubber bands are physically mixed with small crystalline molecules, represented by citric acid, that strengthen the cross-linking structure for these bands by the penetration of these molecules into them.
KJ/m3 Effect on original shape memory Deformationdescription Internal structure In surrounding of sample Value of (Winter.)* KJ/m3 Effect on original shape memory Deformationdescription Value of (Wsurro.)** KJ/m3 Effect on original shape memory Deformationdescription Type of dissipation work Winter.
[3] Guoqiang Li, "Self- Healing composites: Shape memory –Polymer – Based structures", John wiley and sons LTd. (2015)
Rousseau, and Tao Xie, " Shape memory epoxy: Composition, structure, properties and shape memory performances", J.
Tiller, "Shape-Memory Natural Rubber: An Exceptional Material for Strain and Energy Storage" Macromolecular Chemistry and Physics, 214, (2013): 912−923

Destruction of concrete structure caused by the expansile corrosive product is a result of interaction of the three stages.
It's a complex process of physics, chemistry and mechanics change[3].
The internal structures of the concrete were destroyed and the corrosion resistance coefficient of compressive strength Kf began to decrease.
The internal structure of the concrete was optimized and the mechanical property of the concrete was improved.
The internal structures of the concrete were destroyed by the expansion internal stress caused by the expansile corrosion products.

Double-network ionogel is a novel structure that provides high temperature-tolerant and attracting mechanical property.
This structure is used in supercapacitor and exhibits excellent mechanical property, more than 28 MPa of compressive fracture stress.
Polybenzimidazoles, as a condensation polymer which characterized by recurrence of benzimidazole nuclei, show excellent chemistry and temperature stability.[9] Explain thermal stability and resistivity of PBI in a chemical sense.
MMT layers, encompassing an aluminium hydroxide octahedral sheet sandwiched two fused siloxane tetrahedral sheets, retain platelet structure and stack up together recurrently, forming a book-like structure with a regular space between the lamellar structures, which is called interlayer spacing or galleries with about 1 nm height.
In order to achieve this goal, people developed various structures, such as double-network gel, H3PO4-doped PBI and organic-inorganic gel.

In this study, SA provides Na+ substituents to replace cations between layers of the montmorillonite structure, increasing the swelling index.
The type and natural structure of bentonite remain the main factor that affects bentonite's ability to expand.
The peaks that appear in certain 2θ regions indicate characteristics of the present minerals, and the crystallinity of the structure is presented with peak intensity.
It is probably due to the interaction between CMC and montmorillonite in the interlayer space, resulting in a shift in the montmorillonite structure.
The distance between layers in the montmorillonite structure in the sample BWB-SA-CMC>BWB-SA>BWB occurs because of differences in the constituents in the interlayer space.