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3D graphene[edit] - Science Tomorrow
... 1962.[16] The earliest TEM images of few-layer graphene were published by G. Ruess and F. Vogt in 1948.[17] In 1859 Benjamin Collins Brodie was aware of the highly lamellar structure of thermally reduced graphite oxide.[18] It was studied in detail by V. Kohlschütter and P. Haenni in 1918, who also ...
... 1962.[16] The earliest TEM images of few-layer graphene were published by G. Ruess and F. Vogt in 1948.[17] In 1859 Benjamin Collins Brodie was aware of the highly lamellar structure of thermally reduced graphite oxide.[18] It was studied in detail by V. Kohlschütter and P. Haenni in 1918, who also ...
Get PDF - OSA Publishing
... coatings (Au surface and Au surface Al2 O3 layer) were used to examine the effect of the sensor surface material on the measurement results. After each transfer process, SPR measurements were performed in Kretschmann configuration [see Figs. 1(b) and 1(c)] using a BioNavis MP-SPR Navi 200-L appara ...
... coatings (Au surface and Au surface Al2 O3 layer) were used to examine the effect of the sensor surface material on the measurement results. After each transfer process, SPR measurements were performed in Kretschmann configuration [see Figs. 1(b) and 1(c)] using a BioNavis MP-SPR Navi 200-L appara ...
Raman microscopy in an electron microscope: combining chemical
... The main idea of combination of a confocal Raman microscope (CRM) with a scanning electron microscope (SEM) is to get more information about the sample under research. Considering a SEM with all it detectors such as SE (secondary electron), BSE (back scattered electron), XRMA (X-ray micro-analyses) ...
... The main idea of combination of a confocal Raman microscope (CRM) with a scanning electron microscope (SEM) is to get more information about the sample under research. Considering a SEM with all it detectors such as SE (secondary electron), BSE (back scattered electron), XRMA (X-ray micro-analyses) ...
near-field radiative transfer: thermal radiation
... Francoeur, Mathieu, "NEAR-FIELD RADIATIVE TRANSFER: THERMAL RADIATION, THERMOPHOTOVOLTAIC POWER GENERATION AND OPTICAL CHARACTERIZATION" (2010). University of Kentucky Doctoral Dissertations. Paper 58. ...
... Francoeur, Mathieu, "NEAR-FIELD RADIATIVE TRANSFER: THERMAL RADIATION, THERMOPHOTOVOLTAIC POWER GENERATION AND OPTICAL CHARACTERIZATION" (2010). University of Kentucky Doctoral Dissertations. Paper 58. ...
DUXSON, PETER Title - Minerva Access
... with a heavy heart. He treated me with such generosity, love and kindness that my life will forever have a hole in it that cannot be filled. My tutelage under dad is now over, and it is time to start applying everything I have learned. My draft thesis included the following line: “It may be unfair t ...
... with a heavy heart. He treated me with such generosity, love and kindness that my life will forever have a hole in it that cannot be filled. My tutelage under dad is now over, and it is time to start applying everything I have learned. My draft thesis included the following line: “It may be unfair t ...
Customer-Made 3×3 Polymer Optical Fiber Splitter Based on Green
... has been made before, performance of fabricated POF splitter is unsatisfactory. The measured power loss indicates a high in value and it shows that the fusion process is poor. But by looking at the comparison graph for POF splitter before and after polished, the loss is considerably decreased after ...
... has been made before, performance of fabricated POF splitter is unsatisfactory. The measured power loss indicates a high in value and it shows that the fusion process is poor. But by looking at the comparison graph for POF splitter before and after polished, the loss is considerably decreased after ...
Switching terahertz waves with gate-controlled active graphene metamaterials LETTERS *
... tuning capability of unpatterned graphene alone is still not strong enough for practical optoelectronic applications owing to its non-resonant Drude-like behaviour. Here, we demonstrate that substantial gate-induced persistent switching and linear modulation of terahertz waves can be achieved in a t ...
... tuning capability of unpatterned graphene alone is still not strong enough for practical optoelectronic applications owing to its non-resonant Drude-like behaviour. Here, we demonstrate that substantial gate-induced persistent switching and linear modulation of terahertz waves can be achieved in a t ...
STED Microscopy
... pulse. In addition to the fluorescence lifetime, τ fl (typically ∼2 ns), vibrational relaxation lifetimes, τ vib (typically <1 ps), and nonlinear absorption occurring at high peak intensities have to be considered in this context. As the excitation pulse is of low intensity relative to the STED pulse, ...
... pulse. In addition to the fluorescence lifetime, τ fl (typically ∼2 ns), vibrational relaxation lifetimes, τ vib (typically <1 ps), and nonlinear absorption occurring at high peak intensities have to be considered in this context. As the excitation pulse is of low intensity relative to the STED pulse, ...
Femtosecond spectroscopy of solid hydrogen - diss.fu
... dimensional optical Kerr effect (2D OKE) spectroscopy, is developed. The growth of pure and doped hydrogen crystals is discussed and investigated in addition by means of Fourier transform infrared spectroscopy in the light of rotational alignment experiments with matrix isolated molecules. Cryogenic ...
... dimensional optical Kerr effect (2D OKE) spectroscopy, is developed. The growth of pure and doped hydrogen crystals is discussed and investigated in addition by means of Fourier transform infrared spectroscopy in the light of rotational alignment experiments with matrix isolated molecules. Cryogenic ...
Resolution enhancement techniques in microscopy
... resolution criteria have been put forward to describe the principal goal of resolution, “to discriminate the constituent parts of the object.” For example, resolution criteria based on the Nyquist theorem may be very useful to describe the power of a microscope approach to analyze the structure of a ...
... resolution criteria have been put forward to describe the principal goal of resolution, “to discriminate the constituent parts of the object.” For example, resolution criteria based on the Nyquist theorem may be very useful to describe the power of a microscope approach to analyze the structure of a ...
CHIRAL POLYMER PHOTODETECTOR
... The Cotton effect is observed in the CD spectrum of the photodetector, indicating an unequal absorbance of left- and right-handed circular polarized light (CPL). The photodetector is proven to be able to identify incident left- and right-handed CPL. ...
... The Cotton effect is observed in the CD spectrum of the photodetector, indicating an unequal absorbance of left- and right-handed circular polarized light (CPL). The photodetector is proven to be able to identify incident left- and right-handed CPL. ...
THE NEMATIC { SMECTIC-A PHASE TRANSITION: A HIGH
... real-space imaging, the magnitude of nematic director uctuations near TNA. Although the latent heat of 8CB is smaller than the resolution of the best adiabatic calorimeters, a well-resolved, discontinuous jump in the magnitude of the uctuations is observed is observed on crossing the NA transition ...
... real-space imaging, the magnitude of nematic director uctuations near TNA. Although the latent heat of 8CB is smaller than the resolution of the best adiabatic calorimeters, a well-resolved, discontinuous jump in the magnitude of the uctuations is observed is observed on crossing the NA transition ...
Thickness Measurement Methods for Physical Vapor Deposited
... (PVD) of inorganic coatings such as aluminum on polymer substrates is an established and well understood functionalization technique today. In order to achieve a sufficient barrier against gases, a coating thickness of approximately 40 nm aluminum is necessary. This review provides a holistic overvi ...
... (PVD) of inorganic coatings such as aluminum on polymer substrates is an established and well understood functionalization technique today. In order to achieve a sufficient barrier against gases, a coating thickness of approximately 40 nm aluminum is necessary. This review provides a holistic overvi ...
Structural, Optical, Electrical and Thermal Characterizations of Pure
... Infrared spectroscopy, Energy Dispersive X-ray, UV-visible spectroscopy and differential thermal analysis. Crystal structure has been studied by powder X-ray diffraction. Pure and doped crystals both possessed tetragonal structure. The optical transparency is found to increase with the increase of d ...
... Infrared spectroscopy, Energy Dispersive X-ray, UV-visible spectroscopy and differential thermal analysis. Crystal structure has been studied by powder X-ray diffraction. Pure and doped crystals both possessed tetragonal structure. The optical transparency is found to increase with the increase of d ...
Graphene in Multilayered CPP Spin Valves
... cm and room temperature with concentrations of up to carrier mobilities of cm /Vs are routinely observed. These mobilities were found to be weakly temperature dependent, which means that if impurity scattering was reduced, cm /Vs mobilities could be achieved. Transport in this system is ballistic an ...
... cm and room temperature with concentrations of up to carrier mobilities of cm /Vs are routinely observed. These mobilities were found to be weakly temperature dependent, which means that if impurity scattering was reduced, cm /Vs mobilities could be achieved. Transport in this system is ballistic an ...
The influence of growth temperature on CVD grown graphene on SiC
... process compare to others is that it can be done on different type of substrate as, for instance, metal substrate. Moreover, CVD process allows large-scale production of graphene and also doping of graphene to modify its properties. Graphene on copper substrate has been grown by CVD reaction [17]–[1 ...
... process compare to others is that it can be done on different type of substrate as, for instance, metal substrate. Moreover, CVD process allows large-scale production of graphene and also doping of graphene to modify its properties. Graphene on copper substrate has been grown by CVD reaction [17]–[1 ...
Controllability of Mesoscopic Surface Roughness of Sputtered Al
... films and Al–N (6%N2 , df ¼ 200{700 nm, 373 K) films. The origin of height axis corresponds to the respective df ’s. In both cases, RFH becomes broadened with increasing df . The width of the distribution of the Al–N film is larger than corresponding width of the Al film. The peaks of distribution of th ...
... films and Al–N (6%N2 , df ¼ 200{700 nm, 373 K) films. The origin of height axis corresponds to the respective df ’s. In both cases, RFH becomes broadened with increasing df . The width of the distribution of the Al–N film is larger than corresponding width of the Al film. The peaks of distribution of th ...
The List of Author`s Publications
... [15], d) thermally driven mirrors [16; 17], e) static compensators [18]. However, none of the mentioned methods is considered as “standard” approach for thermal effect mitigation. Thermal effects have to be treated individually during design of every high average power and/or high output beam qualit ...
... [15], d) thermally driven mirrors [16; 17], e) static compensators [18]. However, none of the mentioned methods is considered as “standard” approach for thermal effect mitigation. Thermal effects have to be treated individually during design of every high average power and/or high output beam qualit ...
Rodrigo Aviles‐Espinosa STRATEGIES FOR PUSHING NONLINEAR MICROSCOPY TOWARDS ITS PERFORMANCE LIMITS
... The requirement for imaging living structures with higher contrast and resolution has been covered by the inherent advantages offered by nonlinear microscopy (NLM). However, to achieve its full potential there are still several issues that must be addressed. To do so, it is very important to identif ...
... The requirement for imaging living structures with higher contrast and resolution has been covered by the inherent advantages offered by nonlinear microscopy (NLM). However, to achieve its full potential there are still several issues that must be addressed. To do so, it is very important to identif ...
Graphene Field-Effect Transistors with High On/Off Current Ratio
... thickness of the back gate oxide. This approach is reliable when the Schottky barrier height is much larger than kT. When the barrier height is smaller or comparable with kT, the off current is no longer limited by thermionic emission but also significantly affected by the metal-graphene contact and ...
... thickness of the back gate oxide. This approach is reliable when the Schottky barrier height is much larger than kT. When the barrier height is smaller or comparable with kT, the off current is no longer limited by thermionic emission but also significantly affected by the metal-graphene contact and ...
Flexure Mounts For High Resolution Optical Elements
... Less hysteresis than rolling or sliding contacts More robust to adverse environment effects such as extreme temperatures, vacuum, and abrasive dust Needs very little maintenance if any ...
... Less hysteresis than rolling or sliding contacts More robust to adverse environment effects such as extreme temperatures, vacuum, and abrasive dust Needs very little maintenance if any ...
Appendix D – Raman Spectra
... Hence, this sample exhibited a wide range of diameters with a mode of 1.42 nm, and likely possessed a variety of contaminants. This sample would be of use for applications such as strength or mechanical properties enhancement of materials by adding SWNT, or other applications where the presence of n ...
... Hence, this sample exhibited a wide range of diameters with a mode of 1.42 nm, and likely possessed a variety of contaminants. This sample would be of use for applications such as strength or mechanical properties enhancement of materials by adding SWNT, or other applications where the presence of n ...
Graphene-on-Insulator Transistors Made Using C on Ni Chemical
... fabrication has not yet been demonstrated. The two established methods for preparing thin graphene films, SiC sublimation [4], [5] and highly oriented pyrolytic graphite (HOPG) exfoliation [1], [6], have significant limitations. SiC sublimation leads to polycrystalline graphene layers even when the ...
... fabrication has not yet been demonstrated. The two established methods for preparing thin graphene films, SiC sublimation [4], [5] and highly oriented pyrolytic graphite (HOPG) exfoliation [1], [6], have significant limitations. SiC sublimation leads to polycrystalline graphene layers even when the ...
ANALOG SIGNAL PROCESSING FOR OPTICAL COHERENCE
... personally and professionally. I am grateful for the trust, encouragement and support that she has given me in the past 3.5 years. I would also like to thank her for providing me with the opportunities, which were necessary in order for me to grow as an analog IC designer. I would like to express my ...
... personally and professionally. I am grateful for the trust, encouragement and support that she has given me in the past 3.5 years. I would also like to thank her for providing me with the opportunities, which were necessary in order for me to grow as an analog IC designer. I would like to express my ...
IV. Algorithm Translation and FPGA Implementation
... pixel based on the signal from the sample to be patterned. Previous efforts to provide feedback dose control measure the current from a portion of the beam blocked by an aperture in the column. This technique can improve exposure throughput for lithography and sensitivity for inspection [8-11]; howe ...
... pixel based on the signal from the sample to be patterned. Previous efforts to provide feedback dose control measure the current from a portion of the beam blocked by an aperture in the column. This technique can improve exposure throughput for lithography and sensitivity for inspection [8-11]; howe ...
Scanning joule expansion microscopy
Scanning Joule Expansion Microscopy is a form of scanning probe microscopy heavily based on atomic force microscopy that maps the temperature distribution along a surface. Resolutions down to 10 nm have been achieved and 1 nm resolution is theoretically possible. Thermal measurements at the nanometer scale are of both academic and industrial interest, particularly in regards to nanomaterials and modern integrated circuits.