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Pulse-assisted homonuclear dipolar recoupling of half-integer quadrupolar spins in magic-angle spinning NMR

Eden, M (author)
Annersten, H (author)
Zazzi, Åsa (author)
KTH,Oorganisk kemi
 (creator_code:org_t)
Elsevier BV, 2005
2005
English.
In: Chemical Physics Letters. - : Elsevier BV. - 0009-2614 .- 1873-4448. ; 410:1-3, s. 24-30
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We demonstrate numerically and experimentally that zero-quantum homonuclear dipolar recoupling techniques employing rotor-synchronized 180 degrees pulses, previously introduced for spin-1/2 applications, are useful also for magnetization transfers between half-integer quadrupolar nuclei in rotating solids. The recoupling sequences are incorporated as mixing periods in two-dimensional experimental protocols, that correlate either single-quantum coherences of coupled spins, or triple-quantum with single-quantum coherences for improving spectral resolution. We present Na-23 and Al-27 NMR experiments on powders of sodium sulphite [Na2SO3], YAG [Y3Al5O12] and a synthetic chlorite mineral [Mg4.5Al3Si2.5O10(OH)(8)].

Subject headings

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

Keyword

Chemistry
Kemi

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Eden, M
Annersten, H
Zazzi, Åsa
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NATURAL SCIENCES
NATURAL SCIENCES
and Chemical Science ...
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Chemical Physics ...
By the university
Royal Institute of Technology

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