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... obtain sufficient, appropriate evidence to provide a reasonable basis for our findings and conclusions based upon our audit objectives We believe that the evidence obtained provides a reasonable ... deportable individuals who applied for and failed to obtain a positive SAVE result Because we followed a probability procedure based on random selections, our sample is only one of a large number ... Security Table Details of SAVE Population Population Deportable aliens in the United States Number of Status Inquiries - Number of Individuals 849,609 Deportable aliens who were submitted 324,665...
... methods is acceptable, but only after credible method validation studies have been performed and documented These guidelines are based on the best scientific information available at this time, ... not been chemically preserved Holding time will be considered as cumulative Exceptions should be documented in a QAPP or a SAP submitted to and approved by the Region QA Office It should be noted ... therefore, are subject to further clarifications and additions as further peer reviewed and validated research or improved techniques become available 3.0 BACKGROUND In the 1990’s, a number of studies...
... silicon carbide remained on the silicon nanowire Fig 2b shows the PL spectrum of the SiCcoated SiNW sample It can be seen that the PL intensity has been increased by about three times The broadening ... the ion bombarded SiNW after the ion beam deposition (Figs 2b and 3c) It would be of great importance that the previously observed silicon oxide layer covering the silicon nanowire has been removed ... have been reports on the PL from SiC < /b> nanostructures [22,23], the nano-scale SiC < /b> layer on the silicon nanowire shows no noticeable PL The absence of PL relating to SiC < /b> nano-structures may be due...
... Moreover, the b -SiC < /b> nanoparticles were only formed inside the second web Žgreen web Since no b -SiC < /b> nanoparticles can be found in the first web Žyellow web., it implies that the b -SiC < /b> nanoparticles ... about = mm Two layers of sponge-like webs, a yellow web and a green web, were deposited on the inner wall of the tube as shown in Fig The yellow web was times more abundant than the green web ... to the suitable growth temperature b -SiC < /b> nanoparticles can be readily formed by the chemical reaction between SiO and CO Unlike Si which grows as the one-dimensional nanowires, b -SiC < /b> can not...
... interface between SiC < /b> and SiO2 and this interlayer induce carbon-related peaks (D- and G-band) in Raman scattering [30] It is thought that the carbon-related peaks in spectrum (b) were caused by high ... enhancement of blue emission band at about 482 nm (2.58 eV) and appearance of a new yellow emission band centered at about 568 nm (2.17 eV) was observed from the nanowires decorated with carbon nanoparticles ... wall of quartz tube before reaches at the surface of Si substrate As a result, CO becomes only carbon source for growth of SiC< /b> SiO2 core–shell nanowires At high Ar flow rate, some carbon atoms reach...
... et al / Physica E 40 (2008) 2540–2544 Experimental Commercially available phenolic resin (barium phenolic resin; Beijing Fiberglass-Reinforced Plastics Research and Design Institute, Beijing, China) ... catalyst The fabrication of porous SiC < /b> ceramics constructed by SiC < /b> nanowires consisted of the following steps: (1) Preparation of precursor powders based on coat-mix process [12–14]: After being properly ... field (J–E) for the obtained high specific surface area porous SiC < /b> ceramics coated entirely by reticulated SiC < /b> nanowires The electron emission is observed at an electric field of about 2.8 V mmÀ1 The...
... label) triples for a five character window and bigram label transition indicators This formulation is inspired by the classic “IOB” text chunking model (Ramshaw and Marcus, 1995), which has been ... D Manning 2010 Better Arabic parsing: baselines, evaluations, and analysis In COLING N Habash and O Rambow 2005 Arabic tokenization, part-ofspeech tagging and morphological disambiguation in one ... typical CRF inference, the entire observation sequence is available throughout inference, so these features can be scored on observed words in an arbitrary neighborhood around the current position...
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... A4 2c int30 Brasil Phone +55 11 3215-4900 E-Mail sac@sick.com.br Ceská Republika Phone +420 57 91 18 50 E-Mail sick@sick.cz Polska Phone +48 22 837 40 50 E-Mail info@sick.pl Republic of Korea ... Type DOL-OB08-GOM2XB1 Part no 2031081 Contacts DOL-OB08-GOM4XB1 2031083 Wire length 0.2 m 0.4 m 0.2 m or 0.4 m HIPERFACE® cable, wires, supplied by the metre x x 0.15 mm2, screened, flexible Type ... info@sick.nl Norge Phone +47 67 81 50 00 E-Mail austefjord@sick.no Österreich Phone +43 (0)22 36 62 28 8-0 E-Mail office@sick.at SICK AG | Waldkirch | Germany | www.sick.com SICK STEGMANN GmbH...
... have also been compared with both an analytic model based on Tung's theory and physics-based two-dimensional numerical simulations Introduction Recently, silicon carbide [SiC]< /b> has been proposed ... of Ni contacts with embedded nanoparticles on SiC < /b> (a) Ni /SiC < /b> contacts without NPs (Ref), (b) Ni /SiC < /b> contacts embedded with the Au-NPs (NP-1), and (c) Ni /SiC < /b> contacts embedded with the Ag-NPs ... improved barrier lowering by further enhancing the local electric field The experimental results have also been compared with both an analytic model based on Tung's theory [11-13] and physics-based...
... have been obtained only by engineering the interface between the p-type a -SiC:< /b> H and AZO and shows that a large increase in the solar cell efficiency can be obtained by using nc-Si as a buffer ... p-type a -SiC:< /b> H interface to obtain a better solar cell performance without loss in the FF The abrupt potential barrier at the interface of AZO and p-type a -SiC:< /b> H is made gradual by inserting a buffer ... Voc, but a reduction in the shortcircuit current density [Jsc] has also been observed The increased conductivity of the p+ aSiC:H buffer layer reduces the effect of the potential barrier, but...
... glass substrates The optical absorptions were obtained from the intensity of the light measured by UV-visible spectroscopy [11] Then, the optical bandgaps of the films were determined by the Tauc ... Amorphous silicon-based thin film layers (SiO2, SiN, a -SiC:< /b> H, and so on) for antireflection coatings, diffusion barriers, passivation layers, and silicon bulk materials have been broadly researched ... yhjoung@hanbat.ac.kr HIK: hikang@hanbat.ac.kr JHK: jhkim2011@hanbat.ac.kr H-SL: lhseok@shinsung.co.kr JL: jaehyeong@skku.edu WSC: wschoi@hanbat.ac.kr Abstract In this paper, we describe a method...
... both X and Y directions Since no bare SiC < /b> surface could be found at the probe size, a SiC < /b> reference spectrum was collected by focusing the laser beam in the SiC < /b> substrate deeper than the confocal ... http://www.nanoscalereslett.com/content/6/1/171 Table Frequency shifts of the G and 2D bands for a biaxial strain of 1% or a biaxial stress of GPa [3,24] biax = 1% biax Δ G biax Δ 2D = −60 cm biax = GPa −1 = −153 cm −1 biax Δ ... refuted by the 2D band position that cannot be explained by the n-type doping that shifts the 2D band to lower energies (down to 2660 cm-1) and by the p-type doping that shifts the 2D band Tiberj...
... cm−3) 3C -SiC < /b> layers were grown on free-standing 3C -SiC(< /b> 001) substrates [6] using CVD (sample B) Ohmic back contacts were formed by evaporation of a 100-nm-thick layer of Ni and a subsequent rapid ... carbon clusters are observable inside the protrusions The TEM observations can be consistently correlated to the previously shown electrical results Since Pt2Si is the only phase observed by ... 20 21 22 23 24 Received: October 2010 Accepted: February 2011 Published: February 2011 References Lebedev AA: “Heterojunctions and superlattices based on silicon carbide” Semicond Sci Technol 2006,...
... Montpellier Cedex 5, France 2CNM-IMB-CSIC - Campus UAB 08193 Bellaterra, Barcelona, Spain Authors’ contributions NC and AC carried out the Graphene growth, the Hall Bars fabrication, the AFM, SEM and ... an 8° off-axis 4H -SiC < /b> substrate (a) at a large scale, the zoom in (b) showing the wrinkle and the step bunched character of the SiC < /b> surface below and (c) a layer scratched by an AFM tip Tens ... P, Berger C, De Heer WA, Lanzara A, Conrad EH: First Direct Observation of a Nearly Ideal Graphene Band Structure Phys Rev Lett 2009, 103:226803 11 Camara N, Tiberj A, Jouault B, Caboni A, Jabakhanji...
... sample SiC/< /b> (111)Si and b schematic model of void formation during SiC < /b> growth Nanoscale Res Lett (2010) 5:1507–1511 bSiC < /b> CO SiO a Si CO SiC < /b> SiO Si SiC < /b> VOIDS structural properties of the SiC < /b> film ... area b Fitting of TO band from Raman spectrum, detected at the void, with three functions (Lorentzian ? Gaussian) 1509 LO SiC < /b> (~968) 150 100 TO 6H -SiC < /b> 50 (~794) TO 3C -SiC < /b> ~794.3 TO (2E 2) 6H -SiC < /b> ... located at 796 cm-1, but for SiC < /b> layers grown on Si, the TO band shifts to the low-frequency side [16] We observed the TO -SiC < /b> peak position at around 794 cm-1, indicating that the SiC < /b> layer is under...