Long-range transfer of electron-phonon coupling in oxide superlattices
... The interaction of a discrete phonon mode with a continuum of electronic excitations leads to an asymmetric lineshape. Moreover, phonon modes with strong electron-phonon coupling tend to exhibit lineshape anomalies at electronically driven phase transitions, as a consequence of modifications of the ...
... The interaction of a discrete phonon mode with a continuum of electronic excitations leads to an asymmetric lineshape. Moreover, phonon modes with strong electron-phonon coupling tend to exhibit lineshape anomalies at electronically driven phase transitions, as a consequence of modifications of the ...
Microscopy - Frank`s Hospital Workshop
... structures. Unfortunately this information is blurred by the fact that upon illumination all fluorescently labeled structures emit light no matter if they are in focus or not. This means that an image of a certain structure is always blurred by the contribution of light from structures which are out ...
... structures. Unfortunately this information is blurred by the fact that upon illumination all fluorescently labeled structures emit light no matter if they are in focus or not. This means that an image of a certain structure is always blurred by the contribution of light from structures which are out ...
Spatial resolution in atom probe tomography
... the width of the damping function that limits the intensity of the peaks in the reciprocal space (Vurpillot, et al., 2001). Using a combination of Fourier transforms, they were able to measure the in-depth and lateral resolution. Their approach was however based on the assumption that the resolution ...
... the width of the damping function that limits the intensity of the peaks in the reciprocal space (Vurpillot, et al., 2001). Using a combination of Fourier transforms, they were able to measure the in-depth and lateral resolution. Their approach was however based on the assumption that the resolution ...
Introduction to super-resolution microscopy
... living conditions. With the aid of suitable fluorescent probes, microscopic images provide not only the structural information of the samples, but also a variety of information from the cellular environment, such as ion concentrations, membrane potential and signaling molecules. The non-invasiveness ...
... living conditions. With the aid of suitable fluorescent probes, microscopic images provide not only the structural information of the samples, but also a variety of information from the cellular environment, such as ion concentrations, membrane potential and signaling molecules. The non-invasiveness ...
Mineral characterisation of industrial mineral deposits at the
... application of electron probe microanalysis to quantification of elements at the trace element levels. Precision of the electron microprobe is typically ± 1% with an accuracy of about 3% relative, although a relative accuracy of 1% is readily achievable for major elements in silicate minerals. One o ...
... application of electron probe microanalysis to quantification of elements at the trace element levels. Precision of the electron microprobe is typically ± 1% with an accuracy of about 3% relative, although a relative accuracy of 1% is readily achievable for major elements in silicate minerals. One o ...
Ferroelectrics from first principles Designing ferroelectrics
... ferroelectricity has been theoretically predicted in ordered perovskites and the Ruddlesden–Popper compounds (Ca3 Ti2 O7 , Ca3 Mn2 O7 and (Ca/Sr/Ba)3 (Sn/Zr/Ge)2 O7 ). However, the ferroelectricity of these compounds has never been experimentally confirmed and even their polar nature has been under ...
... ferroelectricity has been theoretically predicted in ordered perovskites and the Ruddlesden–Popper compounds (Ca3 Ti2 O7 , Ca3 Mn2 O7 and (Ca/Sr/Ba)3 (Sn/Zr/Ge)2 O7 ). However, the ferroelectricity of these compounds has never been experimentally confirmed and even their polar nature has been under ...
Self-Assembly Structures of Nonionic Surfactants at Graphite
... (Brij 35, Fluka). C12E10 was found to be polydisperse by MALDITOF and contained a distribution of head group chain lengths with a standard deviation of 3 ethylene oxide units. Brij 35 was also polydisperse. All other surfactants were >96% monodisperse. Polarizing Microscopy. Polarizing microscopy wa ...
... (Brij 35, Fluka). C12E10 was found to be polydisperse by MALDITOF and contained a distribution of head group chain lengths with a standard deviation of 3 ethylene oxide units. Brij 35 was also polydisperse. All other surfactants were >96% monodisperse. Polarizing Microscopy. Polarizing microscopy wa ...
Manipulation of single vortices in YBa2Cu3O6.354 with a
... The sample thickness is simply a product of the growing technique. As discussed below, quantitative interpretation of the results would be simpler in samples that are thinner than the penetration depth. The samples were imaged with the ab plane parallel to the sample surface. The T c ⫽11 K sample wa ...
... The sample thickness is simply a product of the growing technique. As discussed below, quantitative interpretation of the results would be simpler in samples that are thinner than the penetration depth. The samples were imaged with the ab plane parallel to the sample surface. The T c ⫽11 K sample wa ...
Manipulation of single vortices in YBa2Cu3O6.354 with a locally
... The sample thickness is simply a product of the growing technique. As discussed below, quantitative interpretation of the results would be simpler in samples that are thinner than the penetration depth. The samples were imaged with the ab plane parallel to the sample surface. The T c ⫽11 K sample wa ...
... The sample thickness is simply a product of the growing technique. As discussed below, quantitative interpretation of the results would be simpler in samples that are thinner than the penetration depth. The samples were imaged with the ab plane parallel to the sample surface. The T c ⫽11 K sample wa ...
(NH4)2S surface passivation
... place at the interface of Ge p-MOSFETs. Compared with the (NH4 )2 S-passivated sample, the flat-band (Vfb ) of the split C– V for the HCl-passivated case shifts significantly toward positive values, as shown in Fig. 2. This shift of split C–V curves is consistent with the VT shift for the HCl-passiv ...
... place at the interface of Ge p-MOSFETs. Compared with the (NH4 )2 S-passivated sample, the flat-band (Vfb ) of the split C– V for the HCl-passivated case shifts significantly toward positive values, as shown in Fig. 2. This shift of split C–V curves is consistent with the VT shift for the HCl-passiv ...
Selective plane illumination microscopy techniques in
... in Box 1) to illuminate the specimen from the side. Techniques like SPIM, generally called light-sheet microscopy methods, are becoming increasingly popular because they achieve excellent resolution at high penetration depths (see Glossary in Box 1) while being minimally invasive at the same time (e ...
... in Box 1) to illuminate the specimen from the side. Techniques like SPIM, generally called light-sheet microscopy methods, are becoming increasingly popular because they achieve excellent resolution at high penetration depths (see Glossary in Box 1) while being minimally invasive at the same time (e ...
Angle Resolved Scattering Combined with Optical Profilometry as
... a 635 nm laser diode as a light source with the beam diameter of 2 mm mounted on a goniometric table with resolution of 0.01 deg. The light scattered at the sample surface is measured with a Si photodiode detector. The rotations are obtained by a computer controlled step motors. For a xed angle of ...
... a 635 nm laser diode as a light source with the beam diameter of 2 mm mounted on a goniometric table with resolution of 0.01 deg. The light scattered at the sample surface is measured with a Si photodiode detector. The rotations are obtained by a computer controlled step motors. For a xed angle of ...
Far-field optical microscope with nanometer-scale
... resolution has been developed recently using the in-plane image magnification by surface plasmon polaritons. This microscopy is based on the optical properties of a metal-dielectric interface that may, in principle, provide extremely large values of the effective refractive index neff up to 102-103 ...
... resolution has been developed recently using the in-plane image magnification by surface plasmon polaritons. This microscopy is based on the optical properties of a metal-dielectric interface that may, in principle, provide extremely large values of the effective refractive index neff up to 102-103 ...
Inside The Miscibility Gap Lars Johnson Nanostructuring and Phase Transformations
... was not until the mid 2000s [10] that the instrumentation had progressed enough to enable the analysis of hard ceramic coatings. The technique is still maturing in this field, but it is already able to supply measurements that are not possible today with any other kind of instrument. While the atom ...
... was not until the mid 2000s [10] that the instrumentation had progressed enough to enable the analysis of hard ceramic coatings. The technique is still maturing in this field, but it is already able to supply measurements that are not possible today with any other kind of instrument. While the atom ...
Mapping out the structural changes of natural and pretreated plant
... determined the structural changes, specifically on crystalline cellulose, of natural, dilute sulfuric acid pretreated and delignified cell wall surfaces of poplar, switchgrass, and corn stover using single molecular atomic force microscopy (AFM) recognition imaging. Results: The AFM tip was first fu ...
... determined the structural changes, specifically on crystalline cellulose, of natural, dilute sulfuric acid pretreated and delignified cell wall surfaces of poplar, switchgrass, and corn stover using single molecular atomic force microscopy (AFM) recognition imaging. Results: The AFM tip was first fu ...
7_SNOM
... On the left the 1st harmonic signal is collected at fixed amplitude while changing the tipsample distance. Even for tip-sample distance > 200nm ther is a huge signal, arising from cantilever scattering and independent of tip-sample interaction On the right the 2nd harmonic is collected, the backgrou ...
... On the left the 1st harmonic signal is collected at fixed amplitude while changing the tipsample distance. Even for tip-sample distance > 200nm ther is a huge signal, arising from cantilever scattering and independent of tip-sample interaction On the right the 2nd harmonic is collected, the backgrou ...
Document
... On the left the 1st harmonic signal is collected at fixed amplitude while changing the tipsample distance. Even for tip-sample distance > 200nm ther is a huge signal, arising from cantilever scattering and independent of tip-sample interaction On the right the 2nd harmonic is collected, the backgrou ...
... On the left the 1st harmonic signal is collected at fixed amplitude while changing the tipsample distance. Even for tip-sample distance > 200nm ther is a huge signal, arising from cantilever scattering and independent of tip-sample interaction On the right the 2nd harmonic is collected, the backgrou ...
Terahertz modulation of the Faraday effect by laser pulses via the
... delay (Supplementary materials B). Furthermore the fast Fourier transform (FFT) spectrum in Fig. 2 (b) of the signal shows that the dominating oscillation frequency cannot be attributed to either the pump induced coherence between levels of the ground multiplet 7 F6 of the Tb3+ ion (1.36 and 2.25 TH ...
... delay (Supplementary materials B). Furthermore the fast Fourier transform (FFT) spectrum in Fig. 2 (b) of the signal shows that the dominating oscillation frequency cannot be attributed to either the pump induced coherence between levels of the ground multiplet 7 F6 of the Tb3+ ion (1.36 and 2.25 TH ...
Microscopes - Biozentrum
... source, using an opal bulb, or placing an opal glass diffuser in front of the light source. However, all these techniques, although effective in reducing the filament image to a certain degree, had the effect of reducing the quality and uniformity of light reaching the sample. Reducing the power of ...
... source, using an opal bulb, or placing an opal glass diffuser in front of the light source. However, all these techniques, although effective in reducing the filament image to a certain degree, had the effect of reducing the quality and uniformity of light reaching the sample. Reducing the power of ...
Strip-shaped samples in a microwave Corbino spectrometer
... approaches are established for broadband microwave spectroscopy: the bolometric technique1 is well suited for superconductors due to its good sensitivity at low temperatures, but it does not reveal phase information. On the other hand there is the Corbino approach, where one measures the reflection ...
... approaches are established for broadband microwave spectroscopy: the bolometric technique1 is well suited for superconductors due to its good sensitivity at low temperatures, but it does not reveal phase information. On the other hand there is the Corbino approach, where one measures the reflection ...
EBSD SEM TEM
... However, while the angle at which the first minimum occurs (which is sometimes described as the radius of the Airy disk) depends only on wavelength and aperture size D, the appearance of the diffraction pattern will vary with the intensity (brightness) of the light source. Because any detector (ey ...
... However, while the angle at which the first minimum occurs (which is sometimes described as the radius of the Airy disk) depends only on wavelength and aperture size D, the appearance of the diffraction pattern will vary with the intensity (brightness) of the light source. Because any detector (ey ...
Magnetoelectric coupling on multiferroic cobalt ferrite–barium
... Figure 1 shows XRD results for the composite powder and ceramics sintered by the SPS method. Only BaTiO3 and CoFe2O4 phases were detected without any trace of other phases or impurities. A pronounced broadening of the Bragg reflections observed for the powder sample indicates that the particle sizes ...
... Figure 1 shows XRD results for the composite powder and ceramics sintered by the SPS method. Only BaTiO3 and CoFe2O4 phases were detected without any trace of other phases or impurities. A pronounced broadening of the Bragg reflections observed for the powder sample indicates that the particle sizes ...
effect of thermal stresses along crack surface on ultrasonic response
... !!!!!The crack opening was monitored by a video camera during the loading. Figure 13 shows the crack opening measured from the video image as a function of time together with UT amplitude and calculated strains. The crack closes during heating (surface under compressive strains) and opens during coo ...
... !!!!!The crack opening was monitored by a video camera during the loading. Figure 13 shows the crack opening measured from the video image as a function of time together with UT amplitude and calculated strains. The crack closes during heating (surface under compressive strains) and opens during coo ...
Mesas: Their Role in the Formation of Widely Spaced Step Arrays
... experimentally to develop step arrays with large spacing of the order of a micron or more after annealing at temperatures where sublimation becomes important. Ridges around the edges initially develop during annealing and form barriers to step motion. When the ridges eventually break down, an array ...
... experimentally to develop step arrays with large spacing of the order of a micron or more after annealing at temperatures where sublimation becomes important. Ridges around the edges initially develop during annealing and form barriers to step motion. When the ridges eventually break down, an array ...
Atomic force microscopy
Atomic-force microscopy (AFM) or scanning-force microscopy (SFM) is a very high-resolution type of Scanning probe microscopy (SPM), with demonstrated resolution on the order of fractions of a nanometer, more than 1000 times better than the optical diffraction limit.