Molecular beam epitaxial growth of high-quality - ETH E
... structures[5]. While this band inversion and the hybridization gap it engenders have been known for many years, the prospect of new physical insight as e.g. by the creation of Majorana fermions in combination with superconducting electrodes[6] led many groups to renew their interest in these structu ...
... structures[5]. While this band inversion and the hybridization gap it engenders have been known for many years, the prospect of new physical insight as e.g. by the creation of Majorana fermions in combination with superconducting electrodes[6] led many groups to renew their interest in these structu ...
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 ...
Measuring and Reporting Electrical Conductivity in Metal
... the accurate and reproducible characterization of their electrical properties. This is made difficult by the numerous techniques available for electrical measurements and the dependence of metrics on device architecture and numerous external variables. These challenges, common to all types of electron ...
... the accurate and reproducible characterization of their electrical properties. This is made difficult by the numerous techniques available for electrical measurements and the dependence of metrics on device architecture and numerous external variables. These challenges, common to all types of electron ...
Laser Machining by short and ultrashort pulses, state of the art and
... to remove these irregularities and at the same time greatly increase the peak power by a technique called Qswitching. Q-switched lasers normally emit only one giant pulse in an operational cycle. The pulse length is typically less than a microsecond down to several nanoseconds and peak powers betwee ...
... to remove these irregularities and at the same time greatly increase the peak power by a technique called Qswitching. Q-switched lasers normally emit only one giant pulse in an operational cycle. The pulse length is typically less than a microsecond down to several nanoseconds and peak powers betwee ...
Lattice parameter determination using a curved position
... 2006; Parks & Bevan, 1973). Since ionic conductivity is dependent on mobile oxygen vacancies, in this regime it significantly decreases with dopant content (Omar et al., 2008). In terms of crystal structure, these oxide materials start to differ from Vegard’s law at higher dopant concentration (Park ...
... 2006; Parks & Bevan, 1973). Since ionic conductivity is dependent on mobile oxygen vacancies, in this regime it significantly decreases with dopant content (Omar et al., 2008). In terms of crystal structure, these oxide materials start to differ from Vegard’s law at higher dopant concentration (Park ...
Rapid adiabatic passage in a Pr3+:Y2SiO5 crystal - IAP TU
... therein), rapid adiabatic passage (RAP), Stark-chirped rapid adiabatic passage (SCRAP), stimulated Raman adiabatic passage (STIRAP) and coherent population return (CPR) (see [2] and references therein) have been studied extensively, but predominantly in the gas phase. In contrast, solid state media ...
... therein), rapid adiabatic passage (RAP), Stark-chirped rapid adiabatic passage (SCRAP), stimulated Raman adiabatic passage (STIRAP) and coherent population return (CPR) (see [2] and references therein) have been studied extensively, but predominantly in the gas phase. In contrast, solid state media ...
Tip Streaming from a Drop in the Presence of Surfactants
... manner that depends on the surfactant mass transfer dynamics and the amount of surfactant adsorbed. As a result, surfactants can either resist or enhance drop deformation under flow. Surfactants can also cause droplets to break under flow which would be stable in their absence. In this note, surfact ...
... manner that depends on the surfactant mass transfer dynamics and the amount of surfactant adsorbed. As a result, surfactants can either resist or enhance drop deformation under flow. Surfactants can also cause droplets to break under flow which would be stable in their absence. In this note, surfact ...
Unusual bismuth-containing surface layers of III-V compound
... Since the invention of a bipolar transistor in 1947 by Bardeen and Brattain, which was the rst observation of an amplication of the input signal in a point contact, the semiconductor industry has exploded into a largest industry in the world: the electronic industry. The electronic devices are lar ...
... Since the invention of a bipolar transistor in 1947 by Bardeen and Brattain, which was the rst observation of an amplication of the input signal in a point contact, the semiconductor industry has exploded into a largest industry in the world: the electronic industry. The electronic devices are lar ...
Surface morphology control of immiscible polymer
... spin-coated and annealed polystyrene/poly (methyl methacrylate) (PS/PMMA ¼ 50/50, w/w) blend films were investigated by atomic force microscopy and X-ray photoelectron spectroscopy. For the spin-coated films, when the Mw;PS varied from 2.9 to 129 k, three different kinds of surface morphologies (a n ...
... spin-coated and annealed polystyrene/poly (methyl methacrylate) (PS/PMMA ¼ 50/50, w/w) blend films were investigated by atomic force microscopy and X-ray photoelectron spectroscopy. For the spin-coated films, when the Mw;PS varied from 2.9 to 129 k, three different kinds of surface morphologies (a n ...
Microscopy - PSSurvival.com
... microscopic. Recovery of the protein crystals requires imaging which can be done by the intrinsic fluorescence of the protein or by using transmission microscopy. Both methods require an ultraviolet microscope as protein absorbs light at 280 nm. Protein will also fluorescence at approximately 353 nm ...
... microscopic. Recovery of the protein crystals requires imaging which can be done by the intrinsic fluorescence of the protein or by using transmission microscopy. Both methods require an ultraviolet microscope as protein absorbs light at 280 nm. Protein will also fluorescence at approximately 353 nm ...
Ultra -Short- Pulse Laser Technology and Applications
... the communication business) with respect to GaAs diode lasers. The answer yielded by such experiments to the question which became widely known as T0-problem was the much higher Auger recombination efficiency represented by the coefficient A being a material property [3]. It could only become reduce ...
... the communication business) with respect to GaAs diode lasers. The answer yielded by such experiments to the question which became widely known as T0-problem was the much higher Auger recombination efficiency represented by the coefficient A being a material property [3]. It could only become reduce ...
Rodrigo Aviles‐Espinosa STRATEGIES FOR PUSHING NONLINEAR MICROSCOPY TOWARDS ITS PERFORMANCE LIMITS
... fluorescence (TPEF) imaging of one the most widely used fluorescent markers in bioimaging research: the green fluorescent protein. The system operating parameters and its emission wavelength enables to demonstrate how matching the employed fluorescent marker two-photon action cross-section is crucia ...
... fluorescence (TPEF) imaging of one the most widely used fluorescent markers in bioimaging research: the green fluorescent protein. The system operating parameters and its emission wavelength enables to demonstrate how matching the employed fluorescent marker two-photon action cross-section is crucia ...
Xerographic spectroscopy of gap states
... other complimentary techniques which probe the gap states are needed. Xerographic techniques which were initially developed to characterize properties of electrophotographic (xerographic) photoreceptors [17], seemed to be direct, suitable, informative, powerful, and widely applicable for the study o ...
... other complimentary techniques which probe the gap states are needed. Xerographic techniques which were initially developed to characterize properties of electrophotographic (xerographic) photoreceptors [17], seemed to be direct, suitable, informative, powerful, and widely applicable for the study o ...
Nanosecond UV laser-induced fatigue effects in the bulk of synthetic
... (Fig. 3), only sites having a fluence close to 25 J/cm2 are used (11 sites). We then check how many of these sites have an ND of 2200 or less (4 sites) and the best estimate for the corresponding damage probability is P(25 J/cm2, 2200) = 4/11. Knowing the damaging pulse number ND for each site thus ...
... (Fig. 3), only sites having a fluence close to 25 J/cm2 are used (11 sites). We then check how many of these sites have an ND of 2200 or less (4 sites) and the best estimate for the corresponding damage probability is P(25 J/cm2, 2200) = 4/11. Knowing the damaging pulse number ND for each site thus ...
Ultrasonic spray deposition for production of organic solar cells
... zirconate titanate and barium strontium titanate. Spray technologies have recently been shown as compatible with functional organic thin film depositions. A PCE of 2.83% has been reported for a spray-deposited OPV device [10]. These devices were made by an inexpensive handheld airbrush technique used ...
... zirconate titanate and barium strontium titanate. Spray technologies have recently been shown as compatible with functional organic thin film depositions. A PCE of 2.83% has been reported for a spray-deposited OPV device [10]. These devices were made by an inexpensive handheld airbrush technique used ...
Toward single-cycle laser systems
... compression experiments [41]. Both structures come with limitations. First, they introduce a wedge into the beam, which leads to an undesired angular dispersion of the beam. This can be partially compensated by using these mirrors in pairs with oppositely oriented wedges. The second drawback is that ...
... compression experiments [41]. Both structures come with limitations. First, they introduce a wedge into the beam, which leads to an undesired angular dispersion of the beam. This can be partially compensated by using these mirrors in pairs with oppositely oriented wedges. The second drawback is that ...
5 The Basics of Confocal Microscopy
... Current instruments are highly modified from the earliest versions, but the principle of confocal imaging that was developed by Marvin Minsky is employed in all modern confocal microscopes (Minsky 1961; 1988). The image in a confocal microscope is achieved by scanning one or more focused beams of li ...
... Current instruments are highly modified from the earliest versions, but the principle of confocal imaging that was developed by Marvin Minsky is employed in all modern confocal microscopes (Minsky 1961; 1988). The image in a confocal microscope is achieved by scanning one or more focused beams of li ...
Monolayer Single-Crystal 1T′-MoTe2 Grown by
... have attracted great attention due to the broad set of material characteristics that can be accessed by varying the identity of the transition metal and chalcogenide atoms.1−6 The promise of MX2 monolayer films for energy7 and other applications have been made apparent through investigations of their ...
... have attracted great attention due to the broad set of material characteristics that can be accessed by varying the identity of the transition metal and chalcogenide atoms.1−6 The promise of MX2 monolayer films for energy7 and other applications have been made apparent through investigations of their ...
Metrology of integrated waveguide devices and systems
... interconnects, and integrated optical biosensors. Near-field scanning optical microscopy (NSOM) is a high resolution alternative to more traditional scatter imaging methods or cumbersome cutback studies for determining waveguide loss. It can easily resolve modal interference signals that can be used ...
... interconnects, and integrated optical biosensors. Near-field scanning optical microscopy (NSOM) is a high resolution alternative to more traditional scatter imaging methods or cumbersome cutback studies for determining waveguide loss. It can easily resolve modal interference signals that can be used ...
Matlab Laser Toolbox User Manual
... PDD=GAUSS(P,d,N) returns the struct PDD of which the Gaussian power density PDD.ixy [W/m2 ] is a N -by-N matrix, and the corresponding x and y vectors have length N. If not specified N equals 128. PDD=GAUSS(P,d,X,Y) returns the struct PDD of a Gaussian power density distribution at locations defined ...
... PDD=GAUSS(P,d,N) returns the struct PDD of which the Gaussian power density PDD.ixy [W/m2 ] is a N -by-N matrix, and the corresponding x and y vectors have length N. If not specified N equals 128. PDD=GAUSS(P,d,X,Y) returns the struct PDD of a Gaussian power density distribution at locations defined ...
Laser beam machining (LBM), state of the art and new opportunities
... shafts, etc. Further applications are for the chemical industry, mining, marine and military applications. This technique can be applied also to form new products (prototypes) directly from a CAD file [2]. By varying the powder composition material properties can be changed continuously during the b ...
... shafts, etc. Further applications are for the chemical industry, mining, marine and military applications. This technique can be applied also to form new products (prototypes) directly from a CAD file [2]. By varying the powder composition material properties can be changed continuously during the b ...
Building a Helium — Neon Gas Laser Lab Manual Figure 1
... atop the post; however, the ones you will be using all have adjustable knobs on their backs which allow for fine movement of the mirrors in both an x and y direction. Irises consists of a metal outer ring, an array of small woven metal pieces on the inside, and an adjustment lever; when the lever is ...
... atop the post; however, the ones you will be using all have adjustable knobs on their backs which allow for fine movement of the mirrors in both an x and y direction. Irises consists of a metal outer ring, an array of small woven metal pieces on the inside, and an adjustment lever; when the lever is ...
EXPERIMENT 06 Helium Neon Laser
... neon are approximately 10 times longer as those of the pstates. An immediate population inversion between the 3s and the 2p levels will therefore be generated. The 2s level is emptied due to spontaneous emission into the 1s level. After this the neon atoms reaching their ground state again, primaril ...
... neon are approximately 10 times longer as those of the pstates. An immediate population inversion between the 3s and the 2p levels will therefore be generated. The 2s level is emptied due to spontaneous emission into the 1s level. After this the neon atoms reaching their ground state again, primaril ...
Photoconductive atomic force microscopy
Photoconductive atomic force microscopy (PC-AFM) is a variant of atomic force microscopy that measures photoconductivity in addition to surface forces.