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The 2D band at ~ 2700 cm-1 is very sensitive to the electronic structure and should change when changing the stacking order around the c-axis.
Conclusion Investigating the possibility of Si-sublimation on different SiC samples with different surface orientations and polytypic structures, we have found that the size of the graphitic domains depends more on the surface orientation than the polytypism.
Physical Chemistry B Vol. 108 (2004), p. 19912 [3] Z.

Preparation of 0.90Bi0.5Na0.5TiO3-0.10BaTiO3 ferroelectric thin film and its application in pyroelectric energy harvesting Xiucheng Zheng1, 2, a, Guangping Zheng1*, b, Zheng Lin1, 2 and Zhiyuan Jiang1 1 Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong 2 Department of Chemistry, Zhengzhou University, Zhengzhou 450001, China azhxch@zzu.edu.cn, bmmzheng@polyu.edu.hk Keywords: Energy harvesting; Lead-free ferroelectrics; Pyroelectric properties; Thin films; Sol-gel.
Considering lead toxicity during processing, and the use, recycling and disposal of structures or devices containing PZT based ferroeelctrics, important efforts have been carried out during the past decade to develop lead-free ferroelectrics that can replace PZT based materials [5], especially as energy materials used in pyroelectric energy harvesting.
The crystalline structure of the as-prepared film and pure ITO coated glass was studied with a Bruker D8 advance diffractometer using Co Kα radiation (λ = 1.79021 Å).

The crystallographic structure of Lu2O3 is of the same type as Y2O3.
In reality, the chemistry of the reaction is more complex, and brown nitrogen oxide can be observed from the liberated gases.
The crystal structure of the Lu2O3 host lattice offers two different sites for the metal ions: one is C2 symmetry and the other C3i symmetry [8].

The characteristic absorption peaks around 901 and 1155 cm-1 assigned to the saccharine structure and an amino characteristic peak at 1600 cm-1.
The third stage was in the range of 650～750℃.However, the mass of blend membrane changed a little from 0 ℃ to less than 450℃ where the step from 25℃ to 150 ℃ was related to the loss of water and that in the range of 250～400℃ was associated with the protein chain breakage (helical structure) and peptide bonds rupture[16], which indicated that the thermal stable of blend film was higher than pure gelatin film.
Food Chemistry Vol. 101(2007), p.753–764

Synthesis，Characterization and Selective Recognition of Lead using a New Ion Imprinted Polymer Material Hai Yan Zhuang1,a, Hui Zhi Li 1,b,* and Yang Xue 1 1School of chemistry and chemical engineering, university of Jinan, Jinan 250022, China achm_zhuanghy@ujn.edu.cn; bchm_lihz@ujn.edu.cn, *corresponding author Keywords: Ion-imprinted polymer, Synthesis, Lead ion,.
The similarity of IR spectra indicates the similarity of the backbone structure of all polymers.
The unique peaks of νC=N , from 1650 to 1620cm-1 and δC-OH, from 1175 to 1150 cm-1 from DHCB indicates that only the “templet” ions were leached, while other structure of the polymer was not destroyed.

Activated carbon with developed space structure and huge specific surface has quick absorption rate of organic material[2].
A.Effects of activated carbon surface chemistry and pore structure on the adsorption of organic contaminants from aqueous solution[J].Carbon. 2002. 40(12):2085-2100 [6] Solisio C, Lodi A.

Camassel3,i 1 Université Montpellier 2, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, France 2 Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden 3 CNRS, Laboratoire Charles Coulomb UMR 5221, F-34095, Montpellier, France 4 Laboratoire des Multimateriaux et Interfaces, UMR-CNRS 5615, UCB-Lyon1, 43 Bd du 11 nov. 1918, 69622 Villeurbanne, France a*Herve.Peyre@univ-montp2.fr, bjianwusun@gmail.com, cjude_koston@hotmail.com, dSandrine.Juillaguet@univ-montp2.fr, ejawul@ifm.liu.se, fanhen@ifm.liu.se, gSylvie.Contreras@univ-montp2.fr, hPierre.Brosselard@insa-lyon.fr, iJean.Camassel@univ-montp2.fr Keywords: 4H-SiC, Al doping, Hot-wall CVD, Low temperature photoluminescence.
In both cases, on bulk and epitaxial n-type material doped with nitrogen, they allow making fast and non destructive (quantitative) analyses of the doping level (for LTPL see, for instance, Ref.[1] and references therein and for FTIR results collected on complex Schottky diode structures, see Ref.[2]).
The rich structure comes because the donor can bind on two different lattice sites with, in both cases, different phonon-assisted recombination lines.

Preparation and Characterization of (HAp/SiO2)/Ti Biocomposites Xue Zhang1, 2,a, Zhi-Meng Xiu2, Xiao-Wu Li1, 2,b 1Institute of Materials Physics and Chemistry, College of Sciences, P.O.
In fact, the apatite crystal structures of bone tissue are substituted by different kinds of ions, such as Si4+, CO32-, and Mg2+ [3].
After soaking for 24 hrs, white deposits are observed on the surface of sample, featuring a porous network structure with interconnected micropores of different sizes, as seen in Fig. 3(a).

By optimizing structures and functions of these nano-carriers, it can be achieved to deliver drug to tumor tissue most efficiently through enhancing permeability and targeting effect.
Reagent must be freshly prepared each time before application. 3 RESULTS AND DISCUSSION 3.1 Morphologies and sizes in different reacting conditions The DMANs showed spherical morphologies with narrow distribution of size .The mean diameter of DMANs was 185 nm, which meant that such structures of DMANs would be helpful for permeability and retention of the DMANs to solid tumor.
[7] ZH Jiang, JH Zhang.Biology molecule immobility technique and application［M］.Beijing: Chemistry Industry press, 1998:49

Palygorskite clay [Si8O20Mg5(Al)(OH)2(H2O)4·4H2O], a type of non-metallic mineral with natural fibrillar silicate, which has large specific surface area, porous structure and moderate cation exchange capacity[7-9].Palygorskite has the potential to act as an inorganic support material in synthesizing surface-imprinting polymer because of its particular intensity, special structure, stable chemical properties and abundant raw materials.
Chitosa (CTS) with 90% de-acetylating degree (Acros, Belgium), ethyleneglycol dimethacrylate (EGDMA) (Sigma-Aldrich Co., USA), azodiisobutyronitrile (ABN) was obtained from Chemistry Reagent Factory of Chinese QianJin (Tianjin, China).