Abstract
The neutron powder diffractometer (Figure 1) located at the Dhruva reactor, Bhabha Atomic Research Centre (BARC), has been in operation for more than a decade [I]. It is equipped with a one meterlong linear Position Sensitive Detector (PSD) with a spatial resolution of 6 mm. The PSD covers an angular range of 30° at a time and, can record data up to a scattering angle of 120° with a resolution (Δd/d) of 1.3% (λ = 1.094Å) over a temperature range of 10 –600 K. used for studying magnetic ordering and structural phase transitions in variety of systems. These studies include ferrites having disordered magnetic ordering [2,3], manganites showing CMR behavior [4–6], cobaltates showing coexistence of ferro- and antiferromagnetism [7,8], titanates and zirconates exhibiting ferro/anti-ferroelectric properties [9–111, and alloys of transition metals, rare-earths, and actinides (UCu2Ge2ErFe2Dx etc.) showing exotic magnetic properties [12,13], amongst others. Here we present some of the results elucidating the potential of the instrument.
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