properties and specific uses

... Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used for surfacing and finishing ... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... ABRASIVE SAND Any sand used for abrasive and grinding purposes, but the term does not include the sharp grains obtained by crushing quartz and used for sandpaper The chief types of abrasive sand include...

Ngày tải lên: 13/02/2014, 09:20

... Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used for surfacing and finishing ... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... ABRASIVE SAND Any sand used for abrasive and grinding purposes, but the term does not include the sharp grains obtained by crushing quartz and used for sandpaper The chief types of abrasive sand include...

Ngày tải lên: 14/03/2014, 16:20

... composition and food uses 11.3.4 Biological effects and future trends 11.4 Flaxseed (linseed and linola) oil 11.4.1 Flax production and oil composition 11.4.2 Edible uses of Xaxseed and its oil ... figures in million tonnes balance Shortfalls and surpluses from year to year affect stocks and prices with consequent adjustment of supply and demand Demand has increased steadily over many years, ... personal GDP and the link between income and fat consumption On this basis, he has calculated the production of total oils and fats and of vegetable oils and disappearance on a world basis and for...

Ngày tải lên: 02/04/2014, 15:06

... The book ‘Crystalline Silicon: Properties and Uses presents fifteen chapters in all with the examples of different forms of silicon material, their properties and uses Formation of silicon thin ... Crystalline Silicon – Properties and Uses Brus, 1994; Alivisatos, 1996) and experimentally explored as follows: (a) 0D and 1D materials as visible-near IR emitters, including nc-Si and nanoparticles ... – Properties and Uses glove box and sealed using a hand-burner using vacuum techniques (0.3 Torr by rotary pump or x 10-5 Torr by a Pfeiffer turbo molecular pump) For pyrolysis experiments and...

Ngày tải lên: 19/06/2014, 19:20

... Photographs (left) and PL spectra (right) of n-BSNP and n-BGNP films excited at 365 nm at 77 K By analogy with the SNPs described above, GNP may have potential uses as NIR emitters and narrow band gap materials ... spectra of As 3d (left) and Ga 3d (right) for TOA angles:900-black, 500 blue, 300 –green, 200-red, 150-pink 32 Crystalline Silicon – Properties and Uses concentrations grows and at the most surface ... makes it possible to tailor the band gap value, as shown in Table Soluble SNP and GNP, because of their ease of coating and dispersion in the form of "Si-ink" and "Ge-ink", may serve as controlled...

Ngày tải lên: 19/06/2014, 19:20

... Silicon – Properties and Uses [19] S Tanuma, C.J.Powell and D.R.Penn, Surf.Interface Anal 21,pp.165 (1994) [20] S Tanuma, C.J.Powell and D.R.Penn,Journal of Electron Spectroscopy and Related Phenomena ... (-1/5)(2/)1/2(U0/EB)5/4[ni(aB)3]-1/2, (4) 50 Crystalline Silicon – Properties and Uses where U0 is the height of the barrier, EB = me4/(h2/22)2 and aB = (h2/42)2/me2 are the Bohr radius and energy for the electron, me is ... reviews the current understanding about the structure and properties of dislocations in silicon and is based on earlier reviews given for instance by Bulatov et al (1995), Alexander & Teichler (2000),...

Ngày tải lên: 19/06/2014, 19:20

... spectrum shows the presence of dislocation-induced D-bands (D1 – D4) besides the band-band luminescence (BB) 66 Crystalline Silicon – Properties and Uses dislocations in epitaxially grown SiGe layers ... cost 84 Crystalline Silicon – Properties and Uses NEUTRAL PARTICLES Fig a) Diffusion process is in thermodynamic equilibrium and energies are thermal (~eV) and random (isotropic) CHARGED PARTICLES ... dislocations or between dislocations and other defects, methods are required allowing the realization and analyses of only a few 70 Crystalline Silicon – Properties and Uses dislocations or, in the ideal...

Ngày tải lên: 19/06/2014, 19:20

... implanted SIMS profiles for B and B18 implants #03-0C #08-0C #09-0C Annealed Fig 17 Annealed SIMS profiles for B and B18 implants 96 Crystalline Silicon – Properties and Uses Table Accumulated SIMS ... Crystalline Silicon – Properties and Uses In this study, we used Axcelis’ OptimaHD Imax implanter for molecular boron implants The Imax was developed for ionizing, transporting and implanting molecular ... 90 Crystalline Silicon – Properties and Uses Fig Sheet resistance vs junction depth as a function of ramp rate, implantation dose and implantation energy Note the similarity...

Ngày tải lên: 19/06/2014, 19:20

... the 128 Crystalline Silicon – Properties and Uses computational cost and accuracy The structures with hydrogen and oxygen passivations are partially shown in Fig and Fig.4, respectively Energy ... have attracted much of research interest, and many of theoretical models, computations, and experimental results on band structures, PL and other electronic properties have been reported during the ... the dot is passivated with specific atoms at ideal conditions 124 Crystalline Silicon – Properties and Uses (a) (b) Fig HRTEM images of Si-QDs in (a) silicon nitride and (b) silicon carbide 2.2...

Ngày tải lên: 19/06/2014, 19:20

... a-SiO2 and a-SiO2 0.97 CL, PL emission band (eV) 156 Crystalline Silicon – Properties and Uses Table 3.1 (a): Reported CL and PL luminiscent bands in amorphous silicon dioxide (a-SiO2) and crystalline ... 140 Crystalline Silicon – Properties and Uses associated with the 5.85 eV absorption band in quartz and silica glass and no associated emission band has been observed where its nonradiative ... CL and PL luminiscent bands in amorphous silicon dioxide (a-SiO2) and crystalline quartz (α-SiO2) and their proposed associations in Blue-UV region 158 Crystalline Silicon – Properties and Uses...

Ngày tải lên: 19/06/2014, 19:20

... Stanisic G and Popovic Z : Photoluminescence properties of silica aerogel during sintering process, J Sol-Gel Science and Technology 14 (1999) 281 166 Crystalline Silicon – Properties and Uses Hinic ... spectra of wet and dry SiO2 is located in the Y and R region The Y luminescence is detected with relatively higher intensity in wet SiO2 at RT and 176 Crystalline Silicon – Properties and Uses it is ... (1984) 1069 170 Crystalline Silicon – Properties and Uses Skuja L and Trukhin A : Comment on " Luminescence of fused silica: Observation of the O¯2 emission band, Phys Rev B 39 (1989) 3909 Skuja...

Ngày tải lên: 19/06/2014, 19:20

... The dose-dependent of the yellow band Y (top) and the red band R (bottom) in SiO2:H at different annealing temperatures recorded at RT and LNT 3.3 H2O molecules and the yellow luminescence The ... There, a model and respective rate equations are given for the temperature and dose dependence of both the red R and the blue B bands The re-association of mobile oxygen to the E´-centers and recreation ... are shown in Fig 4.2 The main ultraviolet (UV) and violet (V) luminescence bands at 295 nm (4.2 eV) and 410 nm (3.1 eV) respectively, and a green band around 535 nm (2.3 eV) are seen predominantly...

Ngày tải lên: 19/06/2014, 19:20

... , Gu Y and Bao X M : Ultraviolet and blue emission from crystalline SiO2 coated with LiNbO3 and LiTaO3, Appl Phys Lett 74 (1999) 1812 Skuja L N., Silin A R and Mares J : Decay time and properties ... Non-Cryst Solids 322 (2003) 46 216 Crystalline Silicon – Properties and Uses Kajihara K , Skuja L , Hirano M and H Hosono : Diffusion and Reactions of Hydrogen in F2Laser-Irradiated SiO2 Glass, ... (2002) 3823 Hu J Q , Bando Y and Golberg D : Self-catalyst growth and optical properties of novel SnO2 fishbone-like nanoribbons, Chem Phys Lett 372 (2003) 758 Iacona F., Franzo G and Spinella C :...

Ngày tải lên: 19/06/2014, 19:20

... Electrical and Photovoltaic Properties Nanocrystalline Porous Silicon: Structural, Optical, Electrical and Photovoltaic Properties 259 Fig a) Direct and b) indirect band gap of free standing NPS ... nanoparticles—dependence of CO and H2 response on film thickness, Sensors and Actuators, B, Vol 77, pp 116 Samuel, BJ., Editor (2010) Nanoporous Materials - Types, Properties and Uses, Nova Scientific ... diameters are about three times smaller, between 30 and 60 nm, as shown in Fig 6c Optical properties of NPS Optical properties such energy band gap (Eg) and refractive index (n) of the NPS depend on...

Ngày tải lên: 19/06/2014, 19:20

... morphological, physical, and chemical properties: evidence of this is the huge number of papers about PSi features and devices 276 Crystalline Silicon – Properties and Uses based on this nanostructured ... p-Si and n-Si 0.96 Nanocrystalline Porous Silicon: Structural, Optical, Electrical and Photovoltaic Properties Nanocrystalline Porous Silicon: Structural, Optical, Electrical and Photovoltaic Properties ... 270 Crystalline Silicon – Properties and Uses Will-be-set-by-IN-TECH 20 (a) NPS from p-Si (b) NPS from n-Si Fig 15 Photocurrent and photovoltage of NPS devices from p-Si and n-Si (Arenas et al.,...

Ngày tải lên: 19/06/2014, 19:20

... Spectroscopic Ellipsometry and Reflectometry Ed John Wiley & Sons 296 Crystalline Silicon – Properties and Uses Uhlir, A (1956) Electrolytic Shaping of Germanium and Silicon The Bell System ... Crystalline Silicon – Properties and Uses assumptions, data availability and accuracy Hence, it is impossible to generalize the method in a very clear way As a result, LCA operators and users must properly ... understand the limitations of LCA and the assumptions that can be drawn from its results The essentials of LCA are standardized in ISO 14040 and ISO 14044, which stipulate the details and basic...

Ngày tải lên: 19/06/2014, 19:20

... microphone (Ganji and Majlis 2009) 316 Crystalline Silicon – Properties and Uses Slots (a) (b) Fig (a) Cross-section, and (b) top view of slotted perforated microphone (Ganji and Majlis 2009) ... slotted microphone 318 Crystalline Silicon – Properties and Uses (a) (b) Fig Stress distribution on the (a) clamped diaphragm and (b) slotted diaphragm Design and Fabrication of a Novel MEMS Silicon ... diaphragm and back plate electrode, resist (AZ1500) as a sacrificial layer, and sputtered silicon oxide as an insulation layer The whole process sequence uses three masks and several deposition, and...

Ngày tải lên: 19/06/2014, 19:20

... of crystalline silicon should be achieved by low-energy and low-cost methods 342 Crystalline Silicon – Properties and Uses In Takiguchi and Morita, four solutions are proposed to ensure a sustainable ... costly and less energy-intensive method, (2) reduction of the amount of pc-Si per Watt in solar cells, (3) acceleration of the development and deployment of other PV types, and (4) reuse and recycling ... through a less costly and less energy-intensive method; 2) the amount of pc-Si per Watt in solar cells should be reduced; and 3) solar cells should be reused and recycled The demand for solar cells...

Ngày tải lên: 19/06/2014, 19:20

... The book ‘Crystalline Silicon: Properties and Uses presents fifteen chapters in all with the examples of different forms of silicon material, their properties and uses Formation of silicon thin ... Crystalline Silicon – Properties and Uses Brus, 1994; Alivisatos, 1996) and experimentally explored as follows: (a) 0D and 1D materials as visible-near IR emitters, including nc-Si and nanoparticles ... – Properties and Uses glove box and sealed using a hand-burner using vacuum techniques (0.3 Torr by rotary pump or x 10-5 Torr by a Pfeiffer turbo molecular pump) For pyrolysis experiments and...

Ngày tải lên: 26/06/2014, 23:20

... Their Properties and Uses ABRASIVES conductivity, high specific heat and melting point, and for aerodynamic applications, a low specific gravity ABRASIVES Materials used for surfacing and finishing ... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... ABRASIVE SAND Any sand used for abrasive and grinding purposes, but the term does not include the sharp grains obtained by crushing quartz and used for sandpaper The chief types of abrasive sand include...

Ngày tải lên: 27/06/2014, 17:20