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The surface chemistry of Hg-containing superconductors by HREM

Abstract:

The surface chemistry of Hg-containing superconductors has been investigated using high resolution electron Microscopy. It was found that the crystal surface of these materials usually decomposed in air by losing Hg, forming a thin amorphous layer containing Ba and Cu. This amorphous layer can be recrystallised into some crystallites of barium cuprate under the electron beam annealing. Such recrystallisation did not take place on the surface of Re-doped Hg-1201. Crystals decomposed heavily wh...

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Publication status:
Published

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Authors


Panagopoulos, C More by this author
Hodges, JP More by this author
Peacock, GB More by this author
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Volume:
282
Issue:
PART 2
Pages:
909-910
Publication date:
1997-08-05
DOI:
ISSN:
0921-4534
URN:
uuid:35f1e15c-a057-4e26-aef5-76b7a9de0e2e
Source identifiers:
46748
Local pid:
pubs:46748

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