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Fundamental mechanisms of 3 He relaxation on glass

Publication ,  Journal Article
Jacob, RE; Driehuys, B; Saam, B
Published in: Chemical Physics Letters
March 7, 2003

We present a model of 3 He relaxation on the surface of borosilicate glass which accurately predicts observed relaxation rates and their temperature dependence. Above room temperature 3 He dissolves into Pyrex, where interactions with Fe 3+ ions result in a relaxation time of ≈1 ms. Gas exchange across the glass surface of an enclosed vessel leads to T 1-1 = A/V (3.9 ± 1.4) × 10 -2 cm/h at room temperature, where A/V is the surface-to-volume ratio. The activation energy for relaxation is 13.7 ± 0.7 kJ/mol and is dominated by the activation energy of 3H e diffusion in glass. This is the first successful confirmation of predicted 3 He relaxation rates in glass vessels. © 2003 Elsevier Science B.V. All rights reserved.

Duke Scholars

Published In

Chemical Physics Letters

DOI

ISSN

0009-2614

Publication Date

March 7, 2003

Volume

370

Issue

1-2

Start / End Page

261 / 267

Related Subject Headings

  • Chemical Physics
  • 51 Physical sciences
  • 34 Chemical sciences
  • 10 Technology
  • 03 Chemical Sciences
  • 02 Physical Sciences
 

Citation

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Jacob, R. E., Driehuys, B., & Saam, B. (2003). Fundamental mechanisms of 3 He relaxation on glass. Chemical Physics Letters, 370(1–2), 261–267. https://doi.org/10.1016/S0009-2614(03)00110-6
Jacob, R. E., B. Driehuys, and B. Saam. “Fundamental mechanisms of 3 He relaxation on glass.” Chemical Physics Letters 370, no. 1–2 (March 7, 2003): 261–67. https://doi.org/10.1016/S0009-2614(03)00110-6.
Jacob RE, Driehuys B, Saam B. Fundamental mechanisms of 3 He relaxation on glass. Chemical Physics Letters. 2003 Mar 7;370(1–2):261–7.
Jacob, R. E., et al. “Fundamental mechanisms of 3 He relaxation on glass.” Chemical Physics Letters, vol. 370, no. 1–2, Mar. 2003, pp. 261–67. Scopus, doi:10.1016/S0009-2614(03)00110-6.
Jacob RE, Driehuys B, Saam B. Fundamental mechanisms of 3 He relaxation on glass. Chemical Physics Letters. 2003 Mar 7;370(1–2):261–267.
Journal cover image

Published In

Chemical Physics Letters

DOI

ISSN

0009-2614

Publication Date

March 7, 2003

Volume

370

Issue

1-2

Start / End Page

261 / 267

Related Subject Headings

  • Chemical Physics
  • 51 Physical sciences
  • 34 Chemical sciences
  • 10 Technology
  • 03 Chemical Sciences
  • 02 Physical Sciences