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NIST High Temp. Superconducting Materials (HTS) Database:

NIST Standard Reference Database 62

Last Update to Data Content: 1996

DOI: https://doi.org/10.18434/T4KP8J

Bibliographic Information

Title: Thermoelectric Powder of Tl2Ba2Ca1-xYxCu2O8+y (0 ≤x ≤0.6) Samples
Author(s): S. Keshri, J.B. Mandal, A. Poddar, A.N. Das, and B. Ghosh
Publication: Physical Review B Volume: 47 Issue: 14 Year: 1993 Page(s): 9048-9054
Editor(s): Not Available
Publisher: American Physical Society
Language: English
Notes: Not Available
Keywords: Material Specification, Critical Temperature, Thermoelectric Power

Materials and Properties

Tl:2212; [Tl-Ba-Ca(Y)-Cu-O]
Material Specification for Tl:2212; [Tl-Ba-Ca(Y)-Cu-O] Process: Solid State Reaction
Notes: The authors cite A. Poddar et al., Phys. Rev. B, Vol. 44, 2757 (1991), and summarize the procedure as follows. "X-ray results indicate that the samples are single phase having orthorhombic structure." No additional processing details were noted.
Formula: Tl2Ba2Ca1-xYxCu2O8+y
Informal Name: Tl:2212
Chemical Family: Tl-Ba-Ca(Y)-Cu-O
Chemical Class: Oxide
Structure Type: Polycrystalline
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:

Critical Temperature for Tl:2212; [Tl-Ba-Ca(Y)-Cu-O]
x (formula units) Critical Temperature (K)
0.0 85
0.0 105
0.1 88
0.2 74
0.25 58
0.35 30
Measurement Method: Electrical resistance

Cautions: Unevaluated Data
No measurement details were noted.
Thermoelectric Power for Tl:2212; [Tl-Ba-Ca(Y)-Cu-O]
x of Yx (formula units) Temperature (K) Thermoelectric Power (µV/K)
0.6 87 74
0.6 100 87
0.6 123 104
0.6 157 130
0.6 179 145
0.6 206 155
0.6 234 176
0.6 252 177
0.6 265 189
0.6 299 177
0.6 303 180
0.5 88 59
0.5 119 79
0.5 152 95
0.5 176 103
0.5 185 103
0.5 209 112
0.5 222 113
0.5 233 117
0.5 271 120
0.5 300 121
0.35 86 30
0.35 99 43
0.35 134 53
0.35 154 59
0.35 174 60
0.35 181 66
0.35 201 66
0.35 212 65
0.35 268 65
0.35 288 63
0.35 301 64
0.25 80 14
0.25 102 27
0.25 124 32
0.25 166 35
0.25 206 35
0.25 221 33
0.25 250 31
0.25 264 30
0.25 291 26
0.25 304 27
0.2 76 0
0.2 87 0
0.2 104 11
0.2 108 15
0.2 126 19
0.2 157 20
0.2 193 17
0.2 244 16
0.2 287 13
0.2 297 12
0.0 100 0
0.0 106 0
0.0 109 6
0.0 117 9
0.0 153 9
0.0 202 7
0.0 235 6
0.0 269 4
0.0 304 2
Measurement Method: Thermopower method
The authors cite J.B. Mandal et al., Phys. Rev. B, Vol. 46, 11840 (1992). No additional measurement details were noted.

Cautions: Evaluated Data
Digitized data were obtained from Figure 1 of the paper.