Low temperature micro DTA apparatus

Apparatus for low temperature thermal desorption spectroscopy of portable samples.

An experimental setup for low temperature thermal desorption spectroscopy (TDS) integrated in an ultrahigh vacuum-chamber housing a high-end scanning probe microscope for comprehensive multi-tool surface science analysis is described. This setup enables the characterization with TDS at low temperatures (T > 22 K) of portable sample designs, as is the case for scanning probe optimized setups or ...

Low-Temperature Bonding for Silicon-Based Micro-Optical Systems

Silicon-based integrated systems are actively pursued for sensing and imaging applications. A major challenge to realize highly sensitive systems is the integration of electronic, optical, mechanical and fluidic, all on a common platform. Further, the interface quality between the tiny optoelectronic structures and the substrate for alignment and coupling of the signals significantly impacts th...

High temperature X-ray diffraction apparatus.

Development of High Temperature Multiproperty Apparatus

The development of the multiproperty apparatus to include high temperature determinations of specific heat, enthalpy and thermal diffusivity in addition to the properties already measured is described. The latter properties include thermal conductivity, electrical resistivity, Lorenz ratio, total hemispherical emittance, spectral emittance at 0.65 microns and Thomson coefficient. The specific h...

Recovery of the Photosynthetic Apparatus in Bean Plants after High- and Low-temperature Induced Photoinhibition *

The recovery after photoinhibition in 20-day-old bean plants (Phaseolus vulgaris L.) induced by 4 h treatment with low (12°C), normal (24°C) and high (42°C) temperatures under high (1000 μmol.m–2.s–1) and low (100 μmol.m–2.s–1) photon flux density (PFD) was studied. The changes in the photosynthetic apparatus were analysed using chlorophyll fluorescence measurements. The ratios Fv/Fm measured b...