Inhomogeneous ferromagnetism mimics signatures of the topological Hall effect in films

G Kim, K Son, YE Suyolcu, L Miao, NJ Schreiber… - Physical Review …, 2020 - APS
Topological transport phenomena in magnetic materials are a major topic of current
condensed matter research. One of the most widely studied phenomena is the topological …

Superconducting Sr2RuO4 Thin Films without Out-of-Phase Boundaries by Higher-Order Ruddlesden–Popper Intergrowth

J Kim, J Mun, CM Palomares Garciá, B Kim… - Nano Letters, 2021 - ACS Publications
Ruddlesden–Popper (RP) phases (A n+ 1 B n O3 n+ 1, n= 1, 2,···) have attracted intensive
research with diverse functionalities for device applications. However, the realization of a …

Canonical approach to cation flux calibration in oxide molecular-beam epitaxy

J Sun, CT Parzyck, JH Lee, CM Brooks… - Physical Review …, 2022 - APS
Molecular-beam epitaxy (MBE) is the gold standard for the epitaxial growth of complex
oxides with the best material properties as determined by respective figures of merit …

Controllable suppression of the unconventional superconductivity in bulk and thin-film via high-energy electron irradiation

JP Ruf, HML Noad, R Grasset, L Miao, E Zhakina… - Physical Review …, 2024 - APS
In bulk Sr 2 RuO 4, the strong sensitivity of the superconducting transition temperature T c to
nonmagnetic impurities provides robust evidence for a superconducting order parameter …

Defect Engineering in A2BO4 Thin Films via Surface‐Reconstructed LaSrAlO4 Substrates

J Kim, Y Kim, J Mun, W Choi, Y Chang, JR Kim… - Small …, 2022 - Wiley Online Library
Abstract Ruddlesden–Popper oxides (A2BO4) have attracted significant attention regarding
their potential application in novel electronic and energy devices. However, practical uses of …

[HTML][HTML] Disentangling types of lattice disorder impacting superconductivity in Sr2RuO4 by quantitative local probes

BH Goodge, HP Nair, DJ Baek, NJ Schreiber, L Miao… - APL Materials, 2022 - pubs.aip.org
The unconventional superconductivity in Sr 2 RuO 4 is infamously susceptible to
suppression by small levels of disorder such that it has been most commonly studied in …

Tuning transport properties via rare-earth do** and epitaxial strain in thin films

J Yang, W Guo, Z Xu, Y Liu, H Sun, W Sun, S Yan, Y Li… - Physical Review B, 2023 - APS
Sr 2 Ir O 4 is predicted to be a candidate for high-temperature superconductivity upon carrier
do**, whereas extensive research has proved it challenging to obtain a metallic phase in …

Room‐Temperature Possible Current‐Induced Transition in Ca2RuO4 Thin Films Grown Through Intercalation‐Like Cation Diffusion in the A2BO4 Ruddlesden …

A Fukuchi, T Katase, T Kamiya - Small Methods, 2024 - Wiley Online Library
Cation deficiency tuning is a central issue in thin‐film epitaxy of functional metal oxides, as it
is typically more difficult than anion deficiency tuning, as anions can be readily supplied from …

Local magnetic response of superconducting thin films

GM Ferguson, HP Nair, NJ Schreiber, L Miao, KM Shen… - Physical Review B, 2024 - APS
We conduct local magnetic measurements on superconducting thin-film samples of Sr 2
RuO 4 using scanning superconducting quantum interference device (SQUID) …

Epitaxial growth and stoichiometry control of pyrochlore thin films

KS Rabinovich, G Kim, AN Yaresko, G Christiani… - Physical Review …, 2024 - APS
We report on the epitaxial growth of pyrochlore NRO thin films utilizing a reactive off-axis
sputtering technique. The growth process employed Ru and Nd metal targets with a …