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MICRO EXPERIMENT [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-02-26

English

Subject field(s)
  • Physics of Solids
  • Research Experiments in Space
CONT

Travelling Heater Growth... The aim of this experiment is to improve the crystal quality by investigating the following objectives under reduced gravity as well as under earth conditions : dopant and composition inhomogeneities(striations) on the macro and micro scale(axial and radial distribution), crystal perfection with respect to low defect density, the distribution of defects and the residual impurity concentration, studies of the influence of different transport phenomena in the solution/melt zone on the crystal growth mechanisms...

French

Domaine(s)
  • Physique des solides
  • Travaux de recherche dans l'espace

Spanish

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Record 2 2002-11-05

English

Subject field(s)
  • Space Physics
  • Gravity (Physics)
CONT

STEP : Satellite Test of the Equivalence Principle. Worden and Everitt have proposed to carry out an improved version of Galileo's Leaning Tower of Pisa experiment, by placing masses of different composition inside a satellite orbiting the Earth to obtain a long duration of free fall. Very high positional sensitivity can be achieved by cooling the experiment to 1. 8 K and using SQUIDs to detect in current changes in magnetic pickup coils. The test masses of different materials and the position measuring equipment are placed inside the satellite and micro Newton thrusters are used to cancel the small accelerations of the satellite due to air drag, radiation pressure and the solar wind which could couple to masses.

French

Domaine(s)
  • Physique spatiale
  • Pesanteur (Physique)

Spanish

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Record 3 2002-04-29

English

Subject field(s)
  • Space Exploration Equipment and Tools
CONT

MIDAS(Micro Imaging Dust Analysis System) is one of the on-board instruments imaging cometary dust for the first time. The MIDAS experiment is based on an atomic force microscope(AFM) combined with a dust collector expected to image individual particles with a resolution of 4 nm.

French

Domaine(s)
  • Équipement et outillage d'exploration spatiale

Spanish

Save record 3

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