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Cited by 7 publications
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References 40 publications
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“…These values of p H for semiconducting Y-Ba-Cu-O are understandably lower than what has been observed in metallic Y-Ba-Cu-O at room temperature. [19][20][21][22][23][24][25][26] In addition, a small negative magnetoresistance was observed in all the samples at room temperature which is consistent with a nonhopping type of conductivity.…”
Section: A Materials Characterizationsupporting
confidence: 69%
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“…These values of p H for semiconducting Y-Ba-Cu-O are understandably lower than what has been observed in metallic Y-Ba-Cu-O at room temperature. [19][20][21][22][23][24][25][26] In addition, a small negative magnetoresistance was observed in all the samples at room temperature which is consistent with a nonhopping type of conductivity.…”
Section: A Materials Characterizationsupporting
confidence: 69%
“…As the oxygen concentration is increased to form metallic Y-Ba-Cu-O, the Fermi energy crosses the mobility band edge and the variation in the Hall mobility with oxygen or carrier concentration is no longer predicted by the empirical mobility formula. Raven and Wan 26 have shown that the Hall mobility of metallic YBa 2 Cu 3 O 6ϩx can increase, decrease, or remain essentially constant with oxygen concentration. Raven and Wan proposed that the variation of the Hall mobility with oxygen concentration was dependent upon the method of sample fabrication and the resultant subtle variations in the microstructure of metallic Y-Ba-Cu-O, perhaps causing subtle changes in the dominant transport mechanism.…”
Section: B Hall Effect and Resistivity Datamentioning
confidence: 99%
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“…The thin films were oriented with their c-axis perpendicular to the substrate surface as determined by X-ray diffractometry [9]. Hall patterns were produced from the YBCO films using wet etching and standard photolithography techniques [2]. The Hall pattern consisted of a rectangular strip of YBCO with two pairs of sidearms, Fig.…”
Section: Experimental Techniquesmentioning
confidence: 99%
“…The Hall effect technique is widely used in High Temperature Superconducting research both for the normal state [1,2] and the mixed state [3]. However, the results obtained from Hall effect measurements have been difficult to relate to theoretical developments [4].…”
Section: Introductionmentioning
confidence: 98%