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April 2013

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First results from our PDF diffractometer

5 April 2013

Whilst not our first measurement per se, we now have our first analysis from which we have produced our histogram of interatomic distances within a measured material. The material is called orthoterphenyl. The molecule structure is shown in one of the photographs; essentially three rings of carbon and hydrogen atoms ... [more]

March 2013

The new PDF x-ray diffractometer

Our new PDF x-ray diffractometer

29 March 2013

This arrived very recently, and is now running experiments alongside the tests we want to do. It has a silver x-ray source, giving a wavelength of 0.05 nm. At this short wavelength, we can perform measurements to relatively high values of a quantity called the scattering vector, with symbol Q. The ... [more]