Abstract
Measurements of the thermoelectric power have been carried out on Bi1.7Pb0.3Sr2Ca2-xSmxCu3Oy (0.0≤x ≤2.0) specimens between 77 K and 300 K. The hole-carrier concentrations were calculated from the room-temperature thermopower values and it was found to decrease with increasing Sm concentration. The temperature variation of the thermopower is similar for all the samples and has indicated a two-band conduction. The results also have suggested an increased interaction of electrons and holes with phonons at low temperatures. The thermopower has attained a maximum value just above the transition temperature and thereafter decreased with increasing temperature. The thermopower value has also undergone a sign change at a temperature which varied systematically with Sm concentration. The results are presented and discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 49-53 |
| Number of pages | 5 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 252 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 1995 Oct 1 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
Cite this
Thermoelectric power studies on the Sm substituted BPSCCO (2223) superconductors. / Nanda Kishore, K.; Satyavathi, S.; Miryala, Muralidhar; Pena, O.; Hari Babu, V.
In: Physica C: Superconductivity and its Applications, Vol. 252, No. 1-2, 01.10.1995, p. 49-53.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Thermoelectric power studies on the Sm substituted BPSCCO (2223) superconductors
AU - Nanda Kishore, K.
AU - Satyavathi, S.
AU - Miryala, Muralidhar
AU - Pena, O.
AU - Hari Babu, V.
PY - 1995/10/1
Y1 - 1995/10/1
N2 - Measurements of the thermoelectric power have been carried out on Bi1.7Pb0.3Sr2Ca2-xSmxCu3Oy (0.0≤x ≤2.0) specimens between 77 K and 300 K. The hole-carrier concentrations were calculated from the room-temperature thermopower values and it was found to decrease with increasing Sm concentration. The temperature variation of the thermopower is similar for all the samples and has indicated a two-band conduction. The results also have suggested an increased interaction of electrons and holes with phonons at low temperatures. The thermopower has attained a maximum value just above the transition temperature and thereafter decreased with increasing temperature. The thermopower value has also undergone a sign change at a temperature which varied systematically with Sm concentration. The results are presented and discussed.
AB - Measurements of the thermoelectric power have been carried out on Bi1.7Pb0.3Sr2Ca2-xSmxCu3Oy (0.0≤x ≤2.0) specimens between 77 K and 300 K. The hole-carrier concentrations were calculated from the room-temperature thermopower values and it was found to decrease with increasing Sm concentration. The temperature variation of the thermopower is similar for all the samples and has indicated a two-band conduction. The results also have suggested an increased interaction of electrons and holes with phonons at low temperatures. The thermopower has attained a maximum value just above the transition temperature and thereafter decreased with increasing temperature. The thermopower value has also undergone a sign change at a temperature which varied systematically with Sm concentration. The results are presented and discussed.
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UR - http://www.scopus.com/inward/citedby.url?scp=0346047194&partnerID=8YFLogxK
U2 - 10.1016/0921-4534(95)00284-7
DO - 10.1016/0921-4534(95)00284-7
M3 - Article
VL - 252
SP - 49
EP - 53
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - 1-2
ER -