wavevector transfer values Qel as low as 0.03 Å -1 at 20 meV incident energy can be reached. The position of the two-dimensional detector can be adjusted to cover different small-angle ranges between 1° and 15° ... 300-1900 K furnace A ~2 m2-area position sensitive gas detector ( 3 He) whose distance from the sample can be varied between 2 and 6 m ...
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Pertinence: 14%
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monochromator is most useful at low take-off angles where relatively long wavelength ( »2.5-3.8Å) can be produced providing the incident flux on the sample »2´107 n´s-1´cm-2. Higher λ/2 harmonics are filtered ... sample size and instrument operation mode (powder, single crystal), the illuminated sample volume can be varied from a few cm3 to a few ...
Pertinence: 16%
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r, using Bragg reflection in first (002), second (004), and third (006) order. The take-off angle can be varied between 36 and 59 degrees. A double focusing copper monochromator using the (220) and (331) ... rows and 15 columns of crystals of dimension 20 by 20 mm. Both the horizontal and vertical focusing can be varied, in order to maximize the ...
Pertinence: 17%
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standard focusing conditions the momentum resolution δ|Q| is about δ|Q| ≈ 0.02 Å-1. If needed, δ|Q| can be considerably enhanced by beam collimation with compromises in neutron flux. Sample environment ThALES ... polarized and analyzed with large focusing Heusler monochromators and analyzers. Polarization analysis can be done either with Helmholtz ...
Pertinence: 17%
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ar data. With a maximum scattering angle of about 85° of the detector arm Q-values up to 2.1 Å -1 can be reached for complementary measurements probing small length scales. The flexibility of the instrument ... e the specific requirements for incident and outgoing resolutions. Specialised sample environment can be provided including a cryo-furnace ...
Pertinence: 16%
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three different surfaces with crystal orientation [220], [111] and [113] respectively. The Bragg angle can be tuned from 27° to 55°. Typical usage: Interferometry The channel-cut monochromator offers a [220] ... double loop A typical interferogram at 30° Bragg angle is recorded in about 10 to 15 minutes. This time can increase considerably if the ...
Pertinence: 16%
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resolving powers up to A/ΔA =1500 can be reached as standard; energy resolution values E/ΔE are between 100 and 1000. A Reverse Energy Dispersion (RED) dipole magnet can be used to increase particle density ... separator, the fission product mass and kinetic energy Y ( A,E ) produced during thermal neutron fission can be investigated. The design ...
Pertinence: 17%
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The scattering angle at the sample position can be varied in the range 0° < 2θ s < 120° in both positive or negative scattering directions. The detector block can reach angular positions in the 0° < 2θ A ... system with background slits put at minimal distance to the sample can be used to help increase signal-to-noise ratio. IN8-Thermes can host ...
Pertinence: 19%
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Collimation Gadolinium coated Soller collimators with divergences of 10', 20', 30', 40', 60', 80' can be placed before sample, analyser, and detector 3He detector vertically mounted 12 cm high, 5 cm Ø ... and a Heusler (111) for polarization analysis. For use with polarized neutrons a supermirror bender can be mounted after the first collimator to ...
Pertinence: 17%
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software vIMPS was developed which offers both a simulation and a display mode: simulation mode: one can modify all instrument parameters and then play with the measurement parameters by interactively moving
Pertinence: 12%