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Journal Article

Qualitative improvement of resolution in high-resolution proton magnetic resonance in solids

MPS-Authors
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Haeberlen,  Ulrich
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Aravamudhan,  Sriram
Max Planck Institute for Medical Research, Max Planck Society;

/persons/resource/persons213352

Post,  Hans
Max Planck Institute for Medical Research, Max Planck Society;

External Resource

https://www.sciencedirect.com/science/article/pii/0022236477900257/pdf?md5=05397c2876df8ee0f424ec25f8d61675&pid=1-s2.0-0022236477900257-main.pdf
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https://doi.org/10.1016/0022-2364(77)90025-7
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Citation

Haeberlen, U., Sagnowski, S. F., Aravamudhan, S., & Post, H. (1977). Qualitative improvement of resolution in high-resolution proton magnetic resonance in solids. Journal of Magnetic Resonance, 25(2), 307-314. doi:10.1016/0022-2364(77)90025-7.


Cite as: https://hdl.handle.net/21.11116/0000-0002-E0BE-B
Abstract
By increasing the pulse rate in WHH-type multiple-pulse sequences we have succeeded in qualitatively improving the resolution in high-resolution proton magnetic resonance (PMR) spectroscopy in solids. WHH-type sequences are characterized by pulse spacings τ and 2τ, and we are now able to operate a 90 MHz multiple-pulse spectrometer with τ = 2 μsec. The gain in resolution is demonstrated by showing multiple-pulse FT spectra of single-crystal spheres of ferrocene and malonic acid. These spectra also demonstrate the substantial enhancement of the signal-to-noise ratio which naturally results from enhanced resolution. Preliminary results obtained at 270 MHz are also reported.