In defense of the bromine method for the determination of hole concentration in superconducting thallium cuprates

Gopalakrishnan, J. ; Vijayaraghavan, R. ; Nagarajan, R. ; Shivakumara, C. (1992) In defense of the bromine method for the determination of hole concentration in superconducting thallium cuprates Journal of Solid State Chemistry, 96 (2). pp. 468-469. ISSN 0022-4596

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00224...

Related URL: http://dx.doi.org/10.1016/S0022-4596(05)80285-3

Abstract

There are two sources for a hole concentration in thallium cuprates, one arising from the chemistry and the other from the overlap of Tl (6s) with the conduction band of CuO2 sheets. Our method based on the oxidation of bromide ions directly determines the holes arising from the chemistry of the material.

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