Báo cáo hóa học: " Snap-Through Instability of Graphene on Substrates" pptx

... Since the graphene morphology is strongly tied to the electronic properties of graphene, such a snap-through instability of graphene morphology can lead to desirable graphene electronicproperties ... graphene- basedfunctional electronic components (e.g. nano-switches).Keywords Graphene Á Nanopatterns Á Morphology Á Instability Á Substrate regulationIntroduction Graphene is a monolayer of ... in-planewaviness of the substratesurface on graphene morphology. a Ag/Asas afunction of D/e for various ky.b Ag/Asas a function of D/e forvarious Ay. The snap-through instability of graphene morphology,...

Báo cáo hóa học: " Polycation stabilization of graphene suspensions" docx

... f graphene. Figure 4 Electron microscopy of graphene. (a) Bright-field TEM images of monolayer graphene, (b) HRTEM image from the same location,and (c) electron diffraction pattern of the graphene ... number of TEMimages,wewereabletoconcludethatourdispersioncontains a very good fraction of monolayer graphene. We fabricated a bottom-gated graphene field-effect tran-sistor (FET) by putting a monolayer ... experi-mentally [22] that the 100% hydrogenation of freestanding graphene results in a metal to insulator transition. Hydro-genation of graphene on a silicon dioxide (SiO2) substratehas also led...

Báo cáo hóa học: " Reliable processing of graphene using metal etchmasks" ppt

... Characterisation of as transferred graphene on SiO2substrates. On left XPS spectrum shows good quality graphene, on right AFMimage shows presence of large flakes of graphene with some contamination (marked ... nm of oxide on top was used for charac-terising transferred graphene. Electrical measurements were done on heavily dopedsilicon with 60 nm of Al2O3 on top as substrates. Liftoffpattern ... were applied on top of graphene using a resistbilayer. Nickel (30 nm) was evaporated on the substratesand followed by a liftoff. This produced an etchmask o fNi sitting on top of graphene. The...

Báo cáo hóa học: " Multiscale investigation of graphene layers on 6H-SiC(000-1)" pot

... 3) SiC reconstruc-tions, and t he graphene layers h ave several orientations on top of each surface reconstruction [16-18]. The inter-action between graphene layers and the C face of SiCsubstrate ... preparation techniques [4-12] which yieldlarge-scale graphene wafers of high quality and unifor-mity. Today, one of the most promising methods formicroelectronic applications consists in a controlledsublimat ... 6:171http://www.nanoscalereslett.com/content/6/1/171Page 4 of 8atmospheric pressure graphitization of silicon carbide. Nat Mater2009, 8:203.13. Kim S, Ihm J, Choi HJ, Son YW: Origin of anomalous electronic structures of epitaxial...

Báo cáo hóa học: " The effect of acyclovir on the tubular secretion of creatinine in vitro" pdf

... Journal of Translational Medicine 2010, 8:139http://www.translational-medicine.com/content/8/1/139Page 8 of 11RESEARC H Open AccessThe effect of acyclovir on the tubular secretion of creatinine ... Avenue, Toronto, Ontario, M5G 1X8, CanadaFull list of author information is available at the end of the articleGunness et al. Journal of Translational Medicine 2010, 8:139http://www.translational-medicine.com/content/8/1/139© ... Canada.2Graduate Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, Ontario, M5S3M2, Canada.Authors’ contributionsAll authors have...

báo cáo hóa học: " Turkish version of impact on family scale: a study of reliability and validity" doc

... substantial contributions toconception and design, worked in all stages of data collec-tion and analysis, wrote the first draft. SE made substan-tial contributions to conception and design, ... allstages of data collection, performed the statistical analysis.YY worked in analysis and interpretation of data, revisedthe manuscript for content. FU made substantial contri-butions to conception ... and confirming or discon-firming this hypothesis. Thus, construct validity wasinvestigated through an analysis of the intercorrelationsamong the items with the benchmark criterion. One of the...

báo cáo hóa học:" Direct effects of caffeine on osteoblastic cells metabolism: the possible causal effect of caffeine on the formation of osteoporosis" doc

... relaxation of smooth muscle [23]. The effects of coffee on bone metab-olism are still controversial, although several studies havesuggested that caffeine and/or heavy coffee consumptionare ... inflammation and systemic bone loss: a model forinflammation-induced bone disease. J Bone Miner Res 1993,8:625-634.33. Fuller K, Chambers TJ: Effect of arachidonic acid metabolites on bone resorption ... expression is consid-ered an early differentiation marker of the osteoblastsphenotype, while the von-Kossa stain of mineralized nod-ules formation represented the end differentiation markerof...

Báo cáo hóa học: " 3D Simulation of Nano-Imprint Lithography" pptx

... approximation of the indepen-dent alignment tensor from the Doi–Edwards reptationtheory.A non-dimensionalization of the the stress (e.g., equa-tion of motion), using non-dimensional variables ... initialthickness of the substrate. Introducing these non-dimen-sional variables, the mass conservation as well as themomentum equations will only contain one non-dimen-sional parameter, n. ... to the authors 2009Abstract A proof of concept study of the feasibility of fully three-dimensional (3D) time-dependent simulation of nano-imprint lithography of polymer melt, where thepolymer...

Báo cáo hóa học: " Inﬂuences of H on the Adsorption of a Single Ag Atom on Si(111)-7 3 7 Surface" doc

... surface.Calculation Method and Substrate StructuresFirst-principles calculations within the framework of den-sity functional theory (DFT) were applied to study theinﬂuences of H on the adsorption of Ag on ... inthe controlled growth of thin layers of semiconductors,metals and dielectrics. The further development of micro-and nano-electronic device technology requires detailedknowledge of the M/S contact ... investigate the inﬂuences of H on theadsorption of metal on the Si(111)-7 9 7 surface usingﬁrst-principles calculations. H is the main surfactant duringthe heteroepitaxy of the metals on Si surfaces....

Báo cáo hóa học: " Inﬂuence of Nanogels on Mechanical, Dynamic Mechanical, and Thermal Properties of Elastomers" pdf

... ratio of 0.9,using silicon tip having spring constant of 40 N/m. Thecantilever was oscillated at it resonance frequency of *280 kHz. Scanning was done at least 3 different posi-tions of each ... the degradation of SBS1gels. Similar two stage degradation can also be seen in theNS1gel ﬁlled SBR systems (see Figure S6 of Supplemen-tary Information). Addition of NS1gels considerablysuppresses ... has a Tg of about -56 °C and that of SBR is -39 °C. Hence, considerable increase in Tgwiththe introduction of crosslinking in the rubber matrix can beseen along with the broadening of tan d...

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