electrical properties of matter

... Electricity, charge carriers and electrical properties of cells • The cells of the body are composed of matter Matter itself is composed of atoms, which are mixtures of negatively charged electrons, ... formation of an electrical field they will resonate differently from normal cells • The electrical conductivity of a tissue depends on both the physico-chemical bulk properties, i.e., properties of ... the electrical functions of the ECM Therefore the composition and degree of toxicity of the ECM-glycocalyx interface will affect the electrical field and the flow of biocurrents in the ECM The electrical...

Ngày tải lên: 14/02/2014, 22:20

... the role of electrical properties of the plasma membrane in the subcellular distribution of K-Ras In particular, we investigated (a) the role of surface charge on inner and outer leaflet of plasma ... lipids Electrical properties of the outer leaflet of plasma membrane ) contribution to membrane targeting of K-Ras Biochemical studies as above demonstrate that membrane binding properties of K-Ras ... whether the effect of poly l-lysine on membrane binding of K-Ras depends on its electrical properties, we performed similar experiments in the presence of increasing concentrations of NaCl (Fig 3Aii)...

Ngày tải lên: 19/02/2014, 00:20

... Yvon Inc., Edison, NJ, USA) over the spectral range of 1.5 to 6.5 eV at an angle of incidence of 70° For the purpose of exploring electrical properties, a Pt/TiO2/ZrO2/p-Si MOS capacitor was fabricated ... layer of the ZrO -TiO Page of composite thin film was built Lastly, we can obtain the thickness of the as-deposited thin film with a ZrO2 layer (L1) of 27.639 ± 0.521 nm and TiO2 layer (L2) of 10.077 ... the high-resolution TEM images of the interface property of the TiO2/ZrO2 /Si films It is believed that the interface layers play an important role on the electrical properties, including the dielectric...

Ngày tải lên: 20/06/2014, 21:20

... effects of the sintering temperatures on the structural and electrical properties were investigated Increasing sintering temperatures improve the grain growth, densification, and electrical properties ... Effect of Li substitution on the piezoelectric properties of potassium sodium niobate ceramics Jpn J Appl Phys 2005, 44:6136 Figure XRD patterns of 0.98NKN-0.02BZT ceramics Figure XRD patterns of ... piezoelectric properties (d33 is approximately 236 pC/N) and ferroelectric properties (Pr is approximately 13 to 18 µC/cm2) BZT has the advantage of exhibiting improved piezoelectric properties...

Ngày tải lên: 20/06/2014, 23:20

... than those of BLG, but at the DC bias of +3 V, the ΔC values of SLG are larger than those of BLG Figure 2e, f Page of 0 Figure AFM image of graphene (a) Tapping-mode height image of the graphene ... afterwards instead of the dC/dV amplitude The line profiles of ΔC obtained on SLG and BLG are shown in Figure 2c, d, respectively It can be seen that at the DC bias of V, the ΔC values of SLG are slightly ... Figure The dC/dV amplitude images of graphene on SiO2 The dC/dV amplitude images of graphene on SiO2 obtained at DC biases of V (a) and +3 V (b) The line profiles of the marked lines (from right...

Ngày tải lên: 21/06/2014, 00:20

... vapor grown carbon nanofiber on thermal and mechanical properties of epoxy J Mater Sci 2007, 42:7544 Prasse T, Cavillé J-Y, Bauhofer W: Electric anisotropy of carbon nanofibre/ epoxy resin composites ... electrical properties A homogenous VGCNF dispersion does not necessarily imply better electrical properties In fact, it seems that the presence of well-distributed clusters is more important for the electrical ... understanding of the relationships between VGCNF dispersion and the electrical properties, which is an important step to pave the way for further research into tailoring the properties of these nanocomposites...

Ngày tải lên: 21/06/2014, 03:20

... conductivity of inclusions increases the locally sensed capacitance, and thus, the difference of electrical properties of silicon and CrSi2 gives a better contrast for the detection of the NCs ... differences in the vicinity of NCs Across most of the surface, the current was nearly constant and even independent of the polarity of the bias Locally, evidence of rectification could be observed ... (b) SCM image of the same area cross section of the SCM image across a NC is shown in Figure The half-width of the peak agrees with the size of the NCs It shows that the interaction of the charged...

Ngày tải lên: 21/06/2014, 05:20

... thickness of the high-k layer is observed [23], leading to a smaller equivalent oxide thickness (EOT) [17] The impact of the polycrystallization of the Al O layer on the electrical conduction of the ... which could be attributed to the different electrical properties of nanocrystals and grain boundaries Taking advantage of the large lateral resolution of the CAFM, a more detailed analysis has ... and trapping properties of the stacks, which could reduce the reliability of the MOS devices due to the weaker dielectric strength of the grain boundaries Finally, the influence of the environment...

Ngày tải lên: 21/06/2014, 06:20

... values in the range of 5.8 to 6.1 g/cm3 as shown in Table which corresponded to the relative densities of around 95% of the theoretical densities For the 0.20 mole fraction of Zr, the sample was ... seemed to support the possible lowering of the melting point of these solid solutions The εr and tan δ of Bi0.5Na0.5Ti1-xZrxO3 ceramics, at · the frequency of 100 kHz, are tabulated in Table In ... breakdown field strengths of BNTZ ceramics, respectively The hysteresis loops were obtained at the maximum applied electric field of 20 kV/ cm and a frequency of 50 Hz The shape of the P-E loops varied...

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 13/11/2014, 10:44

... made of matter Matter is made of small parts A hand lens helps you see small parts up close Some things you cannot see are made of matter Air has matter! Properties of Matter Different kinds of matter ... 09 08 07 06 05 Matter What is matter? Everything is made of matter Matter is anything that takes up space and has mass Mass is how much matter is in something All things made of matter have mass ... matter have different properties A property is something you can observe about an object Color is a property of matter Shape is a property of matter Size is a property of matter too What colors...

Ngày tải lên: 08/06/2015, 13:46

... and Properties of Matter Chapter 4: Chemical Bonding and Properties of Matter The chemical bonding in a substance influences the shape of its molecules, and molecular shape influences the properties ... the structure of metals consists of aggregates of crystals TO PREVIOUS SLIDE UNIT Chapter 4: Chemical Bonding and Properties of Section 4.1 Matter Properties of Metals Melting and Boiling Points ... charges of the ions affect the type of crystal structure that an ionic compound will form TO PREVIOUS SLIDE UNIT Chapter 4: Chemical Bonding and Properties of Section 4.1 Matter Properties of Ionic...

Ngày tải lên: 01/12/2015, 22:44

... temperature properties of the sensor shows the characteristic of a typical surface-controlled model [12±14] Electron concentration of WO3 semiconductor is determined mainly by the concentration of stoichiometric ... stability of the WO3 sensor in the whole investigated time rang is shown in Fig Discussion 4.1 Electrical properties The oxygen adsorbed on the surface of the material in¯uences the conductance of the ... material for ethanol gas The analysis of the electrical properties and gas-sensing mechanism of WO3 -based sensors revealed that the calcining and operating temperature of sensor obviously in¯uence on...

Ngày tải lên: 19/03/2014, 16:48

... varying the film thickness of iron The FE properties of a-Fe2O3 NWs with various population densities and resistances (RNW) were studied It was found that the best FE properties can be obtained ... characteristics of the as-grown NWs were obtained using the CAFM (SEIKO SPA-400) system A highly conductive polygon shaped tip with a height of 10 lm and a radius of 50 nm (the top of the tip) was ... with diameters of 8–25 nm and lengths of several hundred nm Fe film was oxidized during the process and became a-Fe2O3 film with a thickness of 100 nm Figure shows the TEM images of an a-Fe2O3 NW...

Ngày tải lên: 20/03/2014, 13:08

... and electrical performances of the materials We focused on the temperature-dependent PL measurements of various silver-doped ZnO (SZO) NWs to reveal the role of Ag acceptor in the optical properties ... Resistance (M ) Page of Ag concentration (wt %) Figure Physical properties of varios SZO NW (a) Tuned resistances of un-doped, 1SZO, 3SZO, and 5SZO NWs, the resistances of the SZO NW are measured ... SEM image of the SZO NW device (b) Quantitative analysis of EDS is measured at 0, 0.25, 3.14, and 6.68 wt.% for the un-doped, 1SZO, 3SZO, and 5SZO, respectively electrical properties of SZO NWs...

Ngày tải lên: 20/06/2014, 22:20

... 22 23 Ha S: Electrical properties of surface-modified silicon membranes PhD thesis University of Wisconsin-Madison, Physics; 2008 Werner R, Zimmermann C, Kalz A: Light dependence of partially ... evolution of the sheet resistance of 220-nm Si membranes in dry air for the two surface modifications The data points are averages of several samples The first data points were measured no more Page of ... change in sheet resistance in terms of re-oxidation of the surface, i.e., the re-formation Figure Sheet resistance of 28-nm-thick Si membranes as a function of time After VH and HF treatments...

Ngày tải lên: 21/06/2014, 03:20

... factor of coils of transformers with different magnetic cores Owing to the fact that the increase of resistance is larger and faster than that of inductance with the presence of Fe3 O4 nanofluids, ... concentrations of ferro-nanofluids were applied to the magnetic cores of transformers The performance of transformers with magnetic cores of air Figure The coupling coefficients of transformers ... magnetized curve of the Fe O nanofluid measured by a VSM Results and discussion Different magnetic cores, air, and Fe3O4 nanofluids of 0.25, 0.5, 0.75, and M were applied as the magnetic core of transformers...

Ngày tải lên: 21/06/2014, 04:20

... small as Rsh of the cell is in the order of MX.cm2 The short circuit current increases by a factor of three due to the decrease of Rs Contact and Sheet Resistances To identify the origin of the large ... reduction of series resistance is largely due to the reduction of the material’s resistivity The implication of the results is that the H2 in the forming gas is responsible for the improvement of the ... Factor (n) Special attention has been paid to the analysis of the series resistance (Rs) of the cell Instead of simply calculating the slope of the dark I–V curve at the high voltage region, Rs is...

Ngày tải lên: 21/06/2014, 07:20

... well-established knowledge of the electrical and optical properties of GaSe thin films, in this paper, we report the results on electrical and optical measurements of amorphous thin films of GaSe nanorods ... field of micro/optoelectronics Significant research efforts have been focused to the study of the electrical and optical properties of this compound in thin film formation Since the optimization of ... diameter of the nanorods varies from 140 to 180 nm, and the length is of several hundreds of nanometers Figure presents the temperature dependence of the dc conductivity of thin films of a- GaxSe100-x...

Ngày tải lên: 21/06/2014, 17:20

... varying the film thickness of iron The FE properties of a-Fe2O3 NWs with various population densities and resistances (RNW) were studied It was found that the best FE properties can be obtained ... characteristics of the as-grown NWs were obtained using the CAFM (SEIKO SPA-400) system A highly conductive polygon shaped tip with a height of 10 lm and a radius of 50 nm (the top of the tip) was ... with diameters of 8–25 nm and lengths of several hundred nm Fe film was oxidized during the process and became a-Fe2O3 film with a thickness of 100 nm Figure shows the TEM images of an a-Fe2O3 NW...

Ngày tải lên: 22/06/2014, 01:20