National Institute Of Materials Physics - Romania

Optical Processes in Nanostructured Materials

Facilities and Services

Characterization of the material, located in microscopic regions, of a solid, liquid, powder or paste sample, by means of the characteristic absorption in the IR. Fast scanning allows studying the kinetics of chemical reactions or a dynamic process of obtaining (forming) a material. Characterisation:  FTIR spectroscopy on FTIR imaging microscope. 7800-600 cm-1, Image Pixel 6.25μ; […]

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In the low frequency module, measurements are made between 30 μHz and 10 MHz and at temperatures between -150 °C and +400 °C. Measuring ranges: Z: 0.01…1014 Ohm, C: 1fF…1F; losses 10-5…104; Ualt: 10-4…3 Vrms; UC: -40…+40 V. The relative accuracy of impedance, capacitance measurement is <3·10-5; of the loss factor is <3·10-5; of the […]

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Characterisation: -wetting/adhesion properties of the surfaces; -contact angle as function of temperature (up to 400 °C); – surface/interfacial tension of liquids -Temperature range: from 20°C to 400°C depending on each investigated liquid; -Measurement of contact angles in static or dynamic mode with temperature variation (20-400°C). -Measurement of the free energy of solids with temperature variation […]

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Characterisation: -density of liquids as function of temperature (up to 90 °C), and with external cell DMA HP (up to 200°C) Density range0-3 (±0.00005) g/cm3; Temperature range 0-90 (±0.03) °C; Services offered to users: determination of sugar/alcohol content in drinks, control of additives/fuels, batch consistency.

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Utilization for Photoconduction spectra and I -V characteristics measurement Applications: caracterization of thin films and structures Characteristics: System containing 1. Chopper (Stanford Research System, Model SR 540 chopper controller); 2. Monochromator System (Oriel Cornerstone, Model 130 1/8 m) with interfaces and 5 gratings (180-650 nm; 200-1600 nm; 1100-5000 nm; 4.5-20 mm); 3.Lock-in nanovoltmeter 232 B; […]

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Utilization: optical characterization of organic, biological and inorganic samples combining Near Field Optical Microscopy with Scanning Probe Microscopy offering simultaneously optical and topographical information with a minimal preparation of the sample; Applications: material science, nanotechnology (nano-photonics and nano-optics), biology, medicine (detection of the most minuscule surface structures of transparent and opaque samples). Characteristics: Dual Optical […]

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Utilization: for the deposition of organic and biological LB films and multilayer with controlled thickness and composition on solid substrates. Applications: non-linear optics, nano-photonics, organic conductors and magnets. Characteristics:           Film balance measuring range:0-250 mN/m; Film balance resolution: mN/m; Programmable compression speed: 0.01-800mm/min; Deposition speed: 0.1-85 mm/min or 0.2-170 mm/min; PH control and subphase thermostatation […]

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Utilization: to coat substrate with diameter range from 40-60 mm. Applications: material science, nanotechnology Characteristics:           Oil-less diaphragm vacuum pump, Dispenser and, 1.5 and 2 inch chucks; Dual speed controls, continuous speed adjustement Individual timers.

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Utilization for preparation of: 1.Pure and doped organic thin films; 2. Metallic thin films; 3. Organic heterostructures. Applications: Organic solar cells; OLED; organic TFT; organic sensors. Charactersitics: 1. Film thickness uniformity for both metals and organics better than +/-5% across the 100 mm square substrate; 2. host/dopant ratio control up to 100-1 with an accuracy […]

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Technical details: – Heating range 25-400oC (or up 600 oC), N2 flow – Various heating rates: 1-7oC/sec. – High range of linearity (7 orders) – Photomultiplier detector (thermoelectrically cooled) Performances: – Different programable profiles “time-temperature”; – Optional optical glass filters for TL detection – Persistent luminescence detection– software for thermoluminescence curves deconvolution

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