TY - JOUR
T1 - Anomalous transport and structural properties of Sr1-xCuO2-δ thin films
AU - Norton, D. P.
AU - Chakoumakos, B. C.
AU - Jones, E. C.
AU - Christen, D. K.
AU - Lowndes, D. H.
PY - 1993/11/10
Y1 - 1993/11/10
N2 - Transport and structural properties of Sr1-xCuO2-δ thin films grown by pulsed laser deposition support the contention that the tetragonal phase is capable of accommodating a significant density of alkaline-earth deficiencies up to x≤0.3. Resistivity measurements indicate a significant change in the carrier density of the CuO2 planes as Sr vacancies are introduced. In addition, an enigmatic anomaly in the resistivity at 185 K is observed for Sr0.85CuO2-δ thin films. Magnetic measurements on these samples indicate that, although a significant drop in resistivity at 185 K is observed, it is not due to a superconducting transition. Hall measurements, as well as changes in the resistivity with film growth conditions, suggest that the majority carriers in these Sr1-xCuO2-δ thin films are electrons even with the Sr-vacancies present.
AB - Transport and structural properties of Sr1-xCuO2-δ thin films grown by pulsed laser deposition support the contention that the tetragonal phase is capable of accommodating a significant density of alkaline-earth deficiencies up to x≤0.3. Resistivity measurements indicate a significant change in the carrier density of the CuO2 planes as Sr vacancies are introduced. In addition, an enigmatic anomaly in the resistivity at 185 K is observed for Sr0.85CuO2-δ thin films. Magnetic measurements on these samples indicate that, although a significant drop in resistivity at 185 K is observed, it is not due to a superconducting transition. Hall measurements, as well as changes in the resistivity with film growth conditions, suggest that the majority carriers in these Sr1-xCuO2-δ thin films are electrons even with the Sr-vacancies present.
UR - http://www.scopus.com/inward/record.url?scp=0027699265&partnerID=8YFLogxK
U2 - 10.1016/0921-4534(93)90804-Y
DO - 10.1016/0921-4534(93)90804-Y
M3 - Article
AN - SCOPUS:0027699265
SN - 0921-4534
VL - 217
SP - 146
EP - 150
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
IS - 1-2
ER -