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Online since: June 2019
Authors: Zakhar I. Popov, Maxim A. Visotin, Natalia S. Mikhaleva
The electronic and magnetic properties of these structures were studied in detail.
Also the properties of the NiI2/ScTe2 structure under in-plane deformations were investigated.
This indicates the preservation of the magnetic structure of free-standing monolayers.
Zhang, The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets, Nat.
Xie, Potential 2D Materials with Phase Transitions: Structure, Synthesis, and Device Applications, Adv.
Online since: January 2012
Authors: Hong Quan Wang, Chun Jie Yan, Xu Jian Li, Sen Zhou, Hua Li Zhang
The XRD, SEM, FT-IR, BET and TGA were used to characterize the material structure and the adsorption property in CO2.
The synthesis of organics by CO2 is of importance for synthetic chemistry, utilization of carton and environmental protection.
As is shown by the Fig. 2, the composition and structure basically remain unchanged after being calcined under 300°C.
Above 500°C, the structure water starts to remove and form freedom-ends in order to achieve the purpose of activation.
The structure of sepiolite has been totally destroyed under 700°C.
Online since: November 2011
Authors: An Du, Yan Huo, Jie Hu
It can be seen from fig. 1, the pickling time had no significant effect on the coating micro structure.
Lide (ed.): ‘CRC handbook of chemistry and physics’, 18th edn; 1999–2000, London, CRC Press
Online since: July 2011
Authors: Guo Li Gong, Hui Li
In order to form contractive structure of blend films for measuring hydrophilicity, surface image and the performance of blend films in the following studies, the amount greater than 30 wt% of PAN was selected in casting blend films.
Staikos: Macromolecular Chemistry and Physics Vol. 206 (2005), p.540 [8] J.M.
Online since: July 2011
Authors: Keiichi Katayama, Masashi Higuchi, Takuya Kuze
Molten salt synthesis of the barium strontium titanate Ba1-xSrxTiO3 with KOH-KNO3 Takuya Kuzea, Masashi Higuchi, and Keiichi Katayama Department of Applied Chemistry, School of Engineering, Tokai University, 4-1-1, Kitakaname, Hiratsuka, Kanagawa, 259-1292, JAPAN Keywords: Barium strontium titanate, perovskite, molten salt method Abstract.
Introduction Barium strontium titanate (Ba1-XSrXTiO3, hereafter referred to as BST), which has a typical perovskite-type structure, is a favorable electronic material due to its high dielectric constant and composition-dependent Curie temperature [1, 2].
Online since: October 2010
Authors: Yi Xu, Shi Lei Hao, Jin Gou Ji, Jin Dong, Jing Fen Zhang, Jing Jie Li
Preparation of chitosan/cyclodextrin/trisodium citrate nanoparticles for the poor-water drug carrier material Jin-gou Ji 1, a, Shi-lei Hao 1, b, Jin Dong 1, c, Jing-fen Zhang 1, d, Jing-jie Li 1, e and Yi Xu 1, f 1 Faculty of Pharmacy, College of Chemistry and Chemical Engineering, University of Chongqing, Chongqing 400030, China.
The chemical structure of pure reagents and nanoparticles were analyzed by Fourier transform infrared spectrometer (FT-IR, Nicolet, 5DX/550, USA).
Online since: September 2011
Authors: Alireza Shakeri, Mehdi Joonobi
Water repellent cellulose nanofibers by acetylation Alireza Shakeri1* and Mehdi Joonobi2 1) Dep. of Chemistry, Golestan University, Gorgan, IRAN. a.shakeri@gu.ac.ir 2) Division of Manufacturing wood and Bionanocomposites, Lulea° University of Technology, 97187 Lulea°, Sweden Keyword: nanofibers, Acetylation, hydrophobic, X-ray, Contact angle.
The decrease of the crystallinity is expected due to the degradation of the crystalline structure of cellulose during the acetylation [2].
Online since: May 2012
Authors: Zhuang Li, Di Wu, Wei Lv
Lead does not form chemical compounds in steel, and it is contained in its structure in the form of isolated particles or particles in contact with other inclusions.
Peter: Australian Journal of Chemistry, Vol. 64 (2011), p. 812.
Online since: September 2011
Authors: Lei Yang, Chang Sen Zhang
In these polymers, PANI and PPy are considered the most potential conductive polymers of practical application, due to their cheap, simply synthetic and easy to doping, processing performance, structure, regular and stable [3].
Materials Chemistry and Physics,Vol.104(2007),p.327
Online since: April 2012
Authors: Shou Zhi Pu, Shu Hong Jing, Hui Li
Photochromism and fluorescence of a Novel unsymmetrical Diarylethene Material Bearing benzene and thiophene ring Shuhong Jing, Shouzhi Pu*, Hui Li Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P.
The structure of 1a was characterized by 1H NMR. 1H NMR (400 MHz, CDCl3, ppm): δ 1.94(s, 3H, -CH3), 2.29 (s, 3H, -CH3), 4.02 (t, 2H, dioxolane-H), 4.08(t, 2H, dioxolane-H), 5.81(s, 1H, dioxolane-H),7.17 (s, 1H, thiophene-H), 7.31 (d, 2H, benzene-H), 7.44 (d, 2H, benzene-H), 7.43 (t, 2H, benzothiophene-H), 7.56 (d, 1H, benzothiophene-H), 7.74(d, 1H, benzothiophene-H).