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Title of Journal: Pramana J Phys

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Abbravation: Pramana

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Springer-Verlag

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10.1007/bf01434451

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0973-7111

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A high resolution powder diffractometer using focu

Authors: V Siruguri P D Babu M Gupta A V Pimpale P S Goyal
Publish Date: 2009/02/18
Volume: 71, Issue: 5, Pages: 1197-1202
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Abstract

In this paper we describe the design construction and performance of a new high resolution neutron powder diffractometer that has been installed at the Dhruva reactor Trombay India The instrument employs novel design concepts like the use of bent perfect crystal monochromator and open beam geometry enabling the use of smaller samples The resolution curve of the instrument was found to have little variation over a wide angular region and a Δd/d ∼ 03 has been achieved The instrument provides sample environment of very low temperatures and high magnetic fields using a 7 Tesla cryogenfree superconducting magnet with a VTI having a temperature range of 15–320 K The special sample environment and high resolution make this neutron powder diffractometer a very powerful facility for studying magnetic properties of materials

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