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Raman Spectroscopy
WITEc alpha300 R
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This is a Confocal Raman microscope with ultrafast imaging, integration time below one second and depth resolution that allows you to generate 3D images. This equipment is coupled with two lasers, an He-Ne (632.8 nm) and a solid state (532 nm), with an optical microscope with Zeiss lenses of various magnifications. Through a piezo stage, this equipment allows to perform Raman mapping a 50 µum square region . It has condenser for darkfield and brightfield.
Micro-Raman Renishaw inVia
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In this equipment are coupled two lasers, an He-Ne (632.8 nm) and a solid state (785 nm), with an optical microscope with Leica lenses of various magnifications. Through a motorized stage, this equipment allows to perform Raman mapping experiment in extensive regions of the sample, with a resolution of approximately 0.5 microns.
FT-Raman Bruker FRS-100/s
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Allows obtaining Raman spectra by Fourier transform, with exciting radiation of 1064 nm (near infrared) from a Nd: YAG laser COHERENT Compass 1064-500N, and detection by Ge cooled with liquid nitrogen. This equipment allows to obtain Raman spectra of samples that fluoresce in the visible region.
Jobin-Yvon U-1000
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This machine has a double-monochromator system and a detection system by photomultiplier. It uses exciting radiation of a Ar + laser high power (Coherent Tube PowerTrack). Through its dual-monochromator system allows this machine to obtain Raman spectra in the region from 10 cm-1.
Infrared (IR) Spectroscopy
BrukerAlpha
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This equipment allows obtaining infrared spectra by various methods from their different modules available, such as transmission attenuated total reflectance (ATR), external reflection and diffuse reflectance (DRIFT). Due to its sealed system, this device does not require nitrogen purge to the spectra.
Accessories for pressure and temperature
Oxford InstrumentsOptistatDN2 Cryostat
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This accessory allows to obtain Raman spectra in a wide temperature range (77-500 K). The temperature control is maintained through the manual flow control nitrogen and energy dissipated by an electric heater, electronically controlled.
High temperarure cell
Linkam TS1500
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This accessory is coupled to temperature control (92 Model TMS) module, allows to obtain Raman spectra of samples at high temperature (up to 600 ° C).
Jobin-Yvon T64000
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This machine has a triple-monochromator and single monochromator system with CCD detection systems and Ge. From different lasers (Ar +, Kr +, dye laser and Nd: YAG) this device enables obtaining Raman spectra with exciting radiation from ultraviolet (351 nm) to near infrared (1064 nm). Through the system
triple-monochromator, this device enables the study of Raman scattering at very high resolution (0.5 cm-1) and low-frequency region (from 5 cm-1). This equipment has recently been updated, and is now coupled to an optical microscope and motorized stage, allowing perform Raman mapping using different exciting radiation.
triple-monochromator, this device enables the study of Raman scattering at very high resolution (0.5 cm-1) and low-frequency region (from 5 cm-1). This equipment has recently been updated, and is now coupled to an optical microscope and motorized stage, allowing perform Raman mapping using different exciting radiation.
Micro-Raman Renishaw System 3000
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In this equipment lasers He-Ne and Ar + and optical microscope, allowing to obtain Raman spectra of samples of heterogeneous composition at micrometer scale.
Electronic Spectroscopy
Shimadzu UV3101PC
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This spectrometer allows measurements over a wide region of the electromagnetic spectrum, from 190 to 3200 nm (ultraviolet-visible-near infrared). This device also has accessory for obtaining spectra for reflectance.
Diamond anvil cells
Diacell® LeverDAC-Maxi
(EasyLab Technologies Ltda)
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His design has been optimised for use below 50 GPa, and with the addition of an internal ring heater (not yet implemented) is capable of raising the sample temperature to above 500°C, thereby making accessible an enormous area of P-T space for investigation.
Boehler-Almax Plate DAC
(EasyLab Technologies Ltda)
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This accessory allows obtaining Raman spectra of samples at high pressures (up to 50 GPa).