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1
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For reviews, see H. Gleiter, Nanostruct. Mater. 6, 3 (1995); R. W. Siegel, ibid. 4, 121 (1994); H. Gleiter, Prog. Mater. Sci. 33, 223 (1989); R. Freer, Ed., Nanoceramics (British Ceramic Proceedings 51, Institute of Materials, London, 1993); R. W Siegel, MRS Bull. 5, 60 (1990).
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Gleiter, H.1
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For reviews, see H. Gleiter, Nanostruct. Mater. 6, 3 (1995); R. W. Siegel, ibid. 4, 121 (1994); H. Gleiter, Prog. Mater. Sci. 33, 223 (1989); R. Freer, Ed., Nanoceramics (British Ceramic Proceedings 51, Institute of Materials, London, 1993); R. W Siegel, MRS Bull. 5, 60 (1990).
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Siegel, R.W.1
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3
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0024926177
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For reviews, see H. Gleiter, Nanostruct. Mater. 6, 3 (1995); R. W. Siegel, ibid. 4, 121 (1994); H. Gleiter, Prog. Mater. Sci. 33, 223 (1989); R. Freer, Ed., Nanoceramics (British Ceramic Proceedings 51, Institute of Materials, London, 1993); R. W Siegel, MRS Bull. 5, 60 (1990).
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Gleiter, H.1
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4
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Nanoceramics
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Institute of Materials, London
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For reviews, see H. Gleiter, Nanostruct. Mater. 6, 3 (1995); R. W. Siegel, ibid. 4, 121 (1994); H. Gleiter, Prog. Mater. Sci. 33, 223 (1989); R. Freer, Ed., Nanoceramics (British Ceramic Proceedings 51, Institute of Materials, London, 1993); R. W Siegel, MRS Bull. 5, 60 (1990).
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(1993)
British Ceramic Proceedings 51
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Freer, R.1
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5
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84916592492
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For reviews, see H. Gleiter, Nanostruct. Mater. 6, 3 (1995); R. W. Siegel, ibid. 4, 121 (1994); H. Gleiter, Prog. Mater. Sci. 33, 223 (1989); R. Freer, Ed., Nanoceramics (British Ceramic Proceedings 51, Institute of Materials, London, 1993); R. W Siegel, MRS Bull. 5, 60 (1990).
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Siegel, R.W.1
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84897692336
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See, for example, G. P. Johnston, R. Muenchausen, D. M. Smith, W. Fahrenholtz, S. J. Foltyn, J. Am. Ceram. Soc. 75, 3293 (1992); P. M. Kumar et al., Mater. Chem. Phys. 36, 354 (1994).
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, vol.75
, pp. 3293
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Johnston, G.P.1
Muenchausen, R.2
Smith, D.M.3
Fahrenholtz, W.4
Foltyn, S.J.5
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11
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0028194725
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See, for example, G. P. Johnston, R. Muenchausen, D. M. Smith, W. Fahrenholtz, S. J. Foltyn, J. Am. Ceram. Soc. 75, 3293 (1992); P. M. Kumar et al., Mater. Chem. Phys. 36, 354 (1994).
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, pp. 354
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Kumar, P.M.1
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21
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1842287535
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A. J. Perrotta et al., unpublished material
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A. J. Perrotta et al., unpublished material.
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23
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0029341894
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D. J. Coster, J. J. Fripiat, M. Muscas, A. Auroux, Langmuir 11, 2615 (1995).
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(1995)
Langmuir
, vol.11
, pp. 2615
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Coster, D.J.1
Fripiat, J.J.2
Muscas, M.3
Auroux, A.4
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25
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0014995959
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Hysteresis in adsorption isotherms, which implies a difference between the heats of adsorption and desorption, has been observed [see, for example, A. Bailey et al., Trans. Faraday Soc. 67, 231 (1971)]. However, these phenomena are usually associated with porous adsorbates, where irreversible changes in the pore structure occur upon adsorption. For the relatively nonporous aluminas considered here, the assumption that the heat of adsorption is the negative of the heat of desorption should be valid.
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(1971)
Trans. Faraday Soc.
, vol.67
, pp. 231
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Bailey, A.1
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27
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1842289934
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note
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2O in our previous study (11).
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30
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1842405547
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note
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This work was supported by the Aluminum Company of America and NSF grants DMR 95-00812 and DMR 92-15802. We thank I. Aksay for the use of his BET surface-area-measuring equipment.
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