Study of proton diffusion in NH+4 - H3O+ beta" -alumina using a pulsed, field-gradient NMR method

Y. T. Tsai; S. Smoot; D. H. Whitmore; John C. Tarczon; W. P. Halperin

doi:10.1016/0167-2738(83)90127-3

Study of proton diffusion in NH⁺₄ - H₃O⁺ beta" -alumina using a pulsed, field-gradient NMR method

Y. T. Tsai^*, S. Smoot, D. H. Whitmore, John C. Tarczon, W. P. Halperin

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Diffusion of protons in single crystals of the fast protonic conductor NH⁺₄-H₃O⁺ beta" alumina (nominal composition: (NH⁺₄)_1.00(H₃O⁺) _0.85Al_10.15O₁₇) has been investigated over the temperature range 336-451 K with the aid of a pulsed, field-gradient NMR technique. The temperature-dependence of the proton diffusion coefficient, D_{1_H}, is given by: D_{1_H}(cm²s^-1)=(6.756^{+ 2.077}_{- 1.588})x 10^-5exp -(0.202 ± 0.009 eV/kT) Comparison is made between these diffusion results and protonic conductivities measured within the same temperature range on the identical crystals used in the diffusion experiments. Implications of these results are briefly discussed in terms of possible mechanistic processes for proton motion in this and related compounds.

Original language	English (US)
Pages (from-to)	1033-1040
Number of pages	8
Journal	Solid State Ionics
Volume	9-10
Issue number	PART 2
DOIs	https://doi.org/10.1016/0167-2738(83)90127-3
State	Published - Dec 1983

Funding

This work has been supported by the Department of Energy under Contract DE-AC02-76ER02564. The authors wish to express their sincere appreciation to J. R. Owers-Bradley for his considerable help in the design and construction of the NMR pulsed, field-gradient apparatus used here.

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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10.1016/0167-2738(83)90127-3

Cite this

@article{5e96dbae2c43425d8e7d88f7c0b55845,

title = "Study of proton diffusion in NH+4 - H3O+ beta{"} -alumina using a pulsed, field-gradient NMR method",

abstract = "Diffusion of protons in single crystals of the fast protonic conductor NH+4-H3O+ beta{"} alumina (nominal composition: (NH+4)1.00(H3O+) 0.85Al10.15O17) has been investigated over the temperature range 336-451 K with the aid of a pulsed, field-gradient NMR technique. The temperature-dependence of the proton diffusion coefficient, D1H, is given by: D1H(cm2s-1)=(6.756+ 2.077- 1.588)x 10-5exp -(0.202 ± 0.009 eV/kT) Comparison is made between these diffusion results and protonic conductivities measured within the same temperature range on the identical crystals used in the diffusion experiments. Implications of these results are briefly discussed in terms of possible mechanistic processes for proton motion in this and related compounds.",

author = "Tsai, {Y. T.} and S. Smoot and Whitmore, {D. H.} and Tarczon, {John C.} and Halperin, {W. P.}",

note = "Funding Information: This work has been supported by the Department of Energy under Contract DE-AC02-76ER02564. The authors wish to express their sincere appreciation to J. R. Owers-Bradley for his considerable help in the design and construction of the NMR pulsed, field-gradient apparatus used here.",

year = "1983",

month = dec,

doi = "10.1016/0167-2738(83)90127-3",

language = "English (US)",

volume = "9-10",

pages = "1033--1040",

journal = "Solid State Ionics",

issn = "0167-2738",

publisher = "Elsevier B.V.",

number = "PART 2",

}

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T1 - Study of proton diffusion in NH+4 - H3O+ beta" -alumina using a pulsed, field-gradient NMR method

AU - Tsai, Y. T.

AU - Smoot, S.

AU - Whitmore, D. H.

AU - Tarczon, John C.

AU - Halperin, W. P.

N1 - Funding Information: This work has been supported by the Department of Energy under Contract DE-AC02-76ER02564. The authors wish to express their sincere appreciation to J. R. Owers-Bradley for his considerable help in the design and construction of the NMR pulsed, field-gradient apparatus used here.

PY - 1983/12

Y1 - 1983/12

N2 - Diffusion of protons in single crystals of the fast protonic conductor NH+4-H3O+ beta" alumina (nominal composition: (NH+4)1.00(H3O+) 0.85Al10.15O17) has been investigated over the temperature range 336-451 K with the aid of a pulsed, field-gradient NMR technique. The temperature-dependence of the proton diffusion coefficient, D1H, is given by: D1H(cm2s-1)=(6.756+ 2.077- 1.588)x 10-5exp -(0.202 ± 0.009 eV/kT) Comparison is made between these diffusion results and protonic conductivities measured within the same temperature range on the identical crystals used in the diffusion experiments. Implications of these results are briefly discussed in terms of possible mechanistic processes for proton motion in this and related compounds.

AB - Diffusion of protons in single crystals of the fast protonic conductor NH+4-H3O+ beta" alumina (nominal composition: (NH+4)1.00(H3O+) 0.85Al10.15O17) has been investigated over the temperature range 336-451 K with the aid of a pulsed, field-gradient NMR technique. The temperature-dependence of the proton diffusion coefficient, D1H, is given by: D1H(cm2s-1)=(6.756+ 2.077- 1.588)x 10-5exp -(0.202 ± 0.009 eV/kT) Comparison is made between these diffusion results and protonic conductivities measured within the same temperature range on the identical crystals used in the diffusion experiments. Implications of these results are briefly discussed in terms of possible mechanistic processes for proton motion in this and related compounds.

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