Regensburg 2010 – wissenschaftliches Programm

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SYMR: Symposium Nuclear Magnetic Resonance: from Applications in Condensed-Matter Physics to New Frontiers

SYMR 2: Poster: Nuclear Magnetic Resonance - Frontiers and Applications

SYMR 2.1: Poster

Montag, 22. März 2010, 16:30–18:00, Poster C

A novel approach to high-pressure nuclear magnetic resonance in diamond anvil cells — •Thomas Meissner1, Swee Kuan Goh2, Damian Rybicki1, Benno Meier1, Grant Williams3, and Jürgen Haase11Faculty of Physics and Earth Science, University of Leipzig, Germany — 2Cavendish Laboratory, University of Cambridge, United Kingdom — 3Industrial Research, Lower Hutt, New Zealand

In addition to variation of temperature and application of external magnetic fields the electronic properties of many materials may be influenced by application of pressure. The highest pressures can be achieved in diamond anvil cells (DAC) but limited sample size and anvil cell geometry hampered their application in nuclear magnetic resonance (NMR) experiments due to a weak signal-to-noise. Recently we succeeded in improving the sensitivity of NMR measurements in DACs significantly by placing the radio-frequency coil containing the sample in the high-pressure region. Here we report on first high-sensitivity measurements at pressures up to 70 kbar.

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