Mapping the Phase Diagram of a YBa2Cu3O7-δ Nanowire Through Electromigration

被引：6

作者：

Trabaldo, Edoardo ^{[1
]}

Kalaboukhov, Alexei ^{[1
]}

Arpaia, Riccardo ^{[1
]}

Wahlberg, Eric ^{[1
]}

Lombardi, Floriana ^{[1
]}

Bauch, Thilo ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Microtechnol & Nanosci, Quantum Device Phys Lab, SE-41296 Gothenburg, Sweden

来源：

PHYSICAL REVIEW APPLIED | 2022年 / 17卷 / 02期

基金：

瑞典研究理事会;

关键词：

SUPERCONDUCTIVITY;

D O I：

10.1103/PhysRevApplied.17.024021

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We use electromigration (EM) to tune the oxygen content of YBa2Cu3O7-delta (YBCO) nanowires. During EM, the dopant oxygen atoms in the nanowire are moved under the combined effect of electrostatic force and Joule heating. The EM current can be tuned to either deplete or replenish nanowires with oxygen, allowing fine tuning of its hole-doping level. Electrical transport measurements and Kelvin probe microscopy corroborate good homogeneity of the doping level along the electromigrated nanowires. Thus, EM provides an effective method to study transport properties of YBCO in a wide doping range at the nanoscale in one and the same device.

引用

页数：7

共 51 条

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