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Thermometers for low temperature Magic Angle Spinning NMR

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Thermometers for low temperature Magic Angle Spinning NMR. / Kemp, Thomas F.; Balakrishnan, G.; Pike, Kevin J.; Smith, Mark E.; Dupree, Ray.

In: Journal of Magnetic Resonance, Vol. 204, No. 1, 01.05.2010, p. 169-172.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Kemp, TF, Balakrishnan, G, Pike, KJ, Smith, ME & Dupree, R 2010, 'Thermometers for low temperature Magic Angle Spinning NMR', Journal of Magnetic Resonance, vol. 204, no. 1, pp. 169-172. https://doi.org/10.1016/j.jmr.2010.02.018

APA

Kemp, T. F., Balakrishnan, G., Pike, K. J., Smith, M. E., & Dupree, R. (2010). Thermometers for low temperature Magic Angle Spinning NMR. Journal of Magnetic Resonance, 204(1), 169-172. https://doi.org/10.1016/j.jmr.2010.02.018

Vancouver

Kemp TF, Balakrishnan G, Pike KJ, Smith ME, Dupree R. Thermometers for low temperature Magic Angle Spinning NMR. Journal of Magnetic Resonance. 2010 May 1;204(1):169-172. https://doi.org/10.1016/j.jmr.2010.02.018

Author

Kemp, Thomas F. ; Balakrishnan, G. ; Pike, Kevin J. ; Smith, Mark E. ; Dupree, Ray. / Thermometers for low temperature Magic Angle Spinning NMR. In: Journal of Magnetic Resonance. 2010 ; Vol. 204, No. 1. pp. 169-172.

Bibtex

@article{d9f3f1ce9c2c449cacee5067950d4053,
title = "Thermometers for low temperature Magic Angle Spinning NMR",
abstract = "The measurement of temperature in a Magic Angle Spinning NMR probe in the temperature range 85-300 K is discussed. It is shown that the shift of the Sn-119 resonance of Sm2Sn2O7 makes a good thermometer with shift being given by delta = 223 - 9.54 x 10(4)/T ppm and a potential precision of better than 0.5 K over the entire temperature range. The sensitivity is such (e.g. 4.2 ppm/K at 150 K) that small temperature gradients across the sample can readily be measured. Furthermore, since the spin-lattice relaxation time is very short, measurements can be made in similar to 1 s enabling relatively rapid temperature changes to be followed. Values for the chemical shift of Pb-207 in Pb(NO3)(2) down to similar to 85 K are also presented. Although the Pb-207 shift variation is approximately linear near room temperature (we find a slope 0.725 +/- 0.002 ppm/K over the range 293-153 K), it clearly deviates from linearity below similar to 130 K.",
keywords = "Solid-state NMR, Magic Angle Spinning , Low temperature , Thermometers",
author = "Kemp, {Thomas F.} and G. Balakrishnan and Pike, {Kevin J.} and Smith, {Mark E.} and Ray Dupree",
year = "2010",
month = may,
day = "1",
doi = "10.1016/j.jmr.2010.02.018",
language = "English",
volume = "204",
pages = "169--172",
journal = "Journal of Magnetic Resonance",
issn = "1090-7807",
publisher = "Academic Press Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - Thermometers for low temperature Magic Angle Spinning NMR

AU - Kemp, Thomas F.

AU - Balakrishnan, G.

AU - Pike, Kevin J.

AU - Smith, Mark E.

AU - Dupree, Ray

PY - 2010/5/1

Y1 - 2010/5/1

N2 - The measurement of temperature in a Magic Angle Spinning NMR probe in the temperature range 85-300 K is discussed. It is shown that the shift of the Sn-119 resonance of Sm2Sn2O7 makes a good thermometer with shift being given by delta = 223 - 9.54 x 10(4)/T ppm and a potential precision of better than 0.5 K over the entire temperature range. The sensitivity is such (e.g. 4.2 ppm/K at 150 K) that small temperature gradients across the sample can readily be measured. Furthermore, since the spin-lattice relaxation time is very short, measurements can be made in similar to 1 s enabling relatively rapid temperature changes to be followed. Values for the chemical shift of Pb-207 in Pb(NO3)(2) down to similar to 85 K are also presented. Although the Pb-207 shift variation is approximately linear near room temperature (we find a slope 0.725 +/- 0.002 ppm/K over the range 293-153 K), it clearly deviates from linearity below similar to 130 K.

AB - The measurement of temperature in a Magic Angle Spinning NMR probe in the temperature range 85-300 K is discussed. It is shown that the shift of the Sn-119 resonance of Sm2Sn2O7 makes a good thermometer with shift being given by delta = 223 - 9.54 x 10(4)/T ppm and a potential precision of better than 0.5 K over the entire temperature range. The sensitivity is such (e.g. 4.2 ppm/K at 150 K) that small temperature gradients across the sample can readily be measured. Furthermore, since the spin-lattice relaxation time is very short, measurements can be made in similar to 1 s enabling relatively rapid temperature changes to be followed. Values for the chemical shift of Pb-207 in Pb(NO3)(2) down to similar to 85 K are also presented. Although the Pb-207 shift variation is approximately linear near room temperature (we find a slope 0.725 +/- 0.002 ppm/K over the range 293-153 K), it clearly deviates from linearity below similar to 130 K.

KW - Solid-state NMR

KW - Magic Angle Spinning

KW - Low temperature

KW - Thermometers

U2 - 10.1016/j.jmr.2010.02.018

DO - 10.1016/j.jmr.2010.02.018

M3 - Journal article

VL - 204

SP - 169

EP - 172

JO - Journal of Magnetic Resonance

JF - Journal of Magnetic Resonance

SN - 1090-7807

IS - 1

ER -