High magnetic field solid-state NMR analyses by combining MAS, MQ-MAS, homo-nuclear and hetero-nuclear correlation experiments

Xiongchao Lin, Keiko Ideta, Jin Miyawaki, Yusuke Nishiyama, Isao Mochida, Seong-Ho Yoon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A general strategy of structural analysis of alumina silicate by combining various solid-state NMR measurements such as single pulse, multi-quantum magic angle spinning, double-quantum homo-nuclear correlation under magic angle spinning (DQ-MAS), and cross-polarization hetero-nuclear correlation (CP-HETCOR) was evaluated with the aid of high magnetic field NMR (800 MHz for 1H Larmor frequency) by using anorthite as a model material. The high magnetic field greatly enhanced resolution of 27Al in single pulse, DQ-MAS, and even in triple-quantum magic angle spinning NMR spectra. The spatial proximities through dipolar couplings were probed by the DQ-MAS methods for homo-nuclear correlations between both 27Al- 27Al and 29Si- 29Si and by CP-HETCOR for hetero-nuclear correlations between 27Al- 29Si in the anorthite framework. By combining various NMR methodologies, we elucidated detailed spatial correlations among various aluminum and silicon species in anorthite that was hard to be determined using conventional analytical methods at low magnetic field. Moreover, the presented approach is applicable to analyze other alumina-silicate minerals.

Original languageEnglish
Pages (from-to)289-294
Number of pages6
JournalMagnetic Resonance in Chemistry
Volume50
Issue number4
DOIs
Publication statusPublished - Apr 1 2012

Fingerprint

Magic angle spinning
Nuclear magnetic resonance
Magnetic fields
Aluminum Oxide
Alumina
Experiments
Silicate minerals
Polarization
Silicates
Silicon
Aluminum
Structural analysis
anorthite

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

Cite this

High magnetic field solid-state NMR analyses by combining MAS, MQ-MAS, homo-nuclear and hetero-nuclear correlation experiments. / Lin, Xiongchao; Ideta, Keiko; Miyawaki, Jin; Nishiyama, Yusuke; Mochida, Isao; Yoon, Seong-Ho.

In: Magnetic Resonance in Chemistry, Vol. 50, No. 4, 01.04.2012, p. 289-294.

Research output: Contribution to journalArticle

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