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Tuning the electronic and magnetic states of $C a_{2} Ru O_{4}$ with proton evolution

https://doi.org/10.1103/PhysRevMaterials.8.074408

Tian, Di; Miao, Ludi; Si, Liang; Schreiber, Nathaniel J; Shen, Shengchun; Zhang, Jianbing; Shu, Xinyu; Wang, Xiaochao; Nair, Hari P; Ruf, Jacob P; et al (July 2024, Physical Review Materials)

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Controllable suppression of the unconventional superconductivity in bulk and thin-film ${Sr}_{2} {RuO}_{4}$ via high-energy electron irradiation

https://doi.org/10.1103/PhysRevResearch.6.033178

Ruf, Jacob P; Noad, Hilary_M L; Grasset, Romain; Miao, Ludi; Zhakina, Elina; McGuinness, Philippa H; Nair, Hari P; Schreiber, Nathaniel J; Kikugawa, Naoki; Sokolov, Dmitry; et al (August 2024, Physical Review Research)

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 that changes sign around the Fermi surface. In superconducting epitaxial thin-film ${Sr}_{2} {RuO}_{4}$ , the relationship between $T_{c}$ and the residual resistivity $ρ_{0}$ , which in bulk samples is taken to be a proxy for the low-temperature elastic scattering rate, is far less clear. Using high-energy electron irradiation to controllably introduce point disorder into bulk single-crystal and thin-film ${Sr}_{2} {RuO}_{4}$ , we show that $T_{c}$ is suppressed in both systems at nearly identical rates. This suggests that part of $ρ_{0}$ in films comes from defects that do not contribute to superconducting pairbreaking and establishes a quantitative link between the superconductivity of bulk and thin-film samples. Published by the American Physical Society2024
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Strain-induced orbital-energy shift in antiferromagnetic ${RuO}_{2}$ revealed by resonant elastic x-ray scattering

https://doi.org/10.1103/PhysRevB.106.195135

Gregory, Benjamin Z.; Strempfer, Jörg; Weinstock, Daniel; Ruf, Jacob P.; Sun, Yifei; Nair, Hari; Schreiber, Nathaniel J.; Schlom, Darrell G.; Shen, Kyle M.; Singer, Andrej (November 2022, Physical Review B)

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Tilted spin current generated by the collinear antiferromagnet ruthenium dioxide

https://doi.org/10.1038/s41928-022-00744-8

Bose, Arnab; Schreiber, Nathaniel J.; Jain, Rakshit; Shao, Ding-Fu; Nair, Hari P.; Sun, Jiaxin; Zhang, Xiyue S.; Muller, David A.; Tsymbal, Evgeny Y.; Schlom, Darrell G.; et al (May 2022, Nature Electronics)

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Interfacial charge transfer and persistent metallicity of ultrathin SrIrO ₃ /SrRuO ₃ heterostructures

https://doi.org/10.1126/sciadv.abj0481

Nelson, Jocienne N.; Schreiber, Nathaniel J.; Georgescu, Alexandru B.; Goodge, Berit H.; Faeth, Brendan D.; Parzyck, Christopher T.; Zeledon, Cyrus; Kourkoutis, Lena F.; Millis, Andrew J.; Georges, Antoine; et al (February 2022, Science Advances)

Tomographic spectroscopy reveals how the properties of topological materials can be engineered at interfaces.
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Quantum oscillations and quasiparticle properties of thin film ${Sr}_{2} {RuO}_{4}$

https://doi.org/10.1103/PhysRevB.104.045152

Fang, Yawen; Nair, Hari P.; Miao, Ludi; Goodge, Berit; Schreiber, Nathaniel J.; Ruf, Jacob P.; Kourkoutis, Lena F.; Shen, Kyle M.; Schlom, Darrell G.; Ramshaw, B. J. (July 2021, Physical Review B)

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

https://doi.org/10.1103/PhysRevMaterials.6.033802

Sun, Jiaxin; Parzyck, Christopher T.; Lee, June H.; Brooks, Charles M.; Kourkoutis, Lena F.; Ke, Xianglin; Misra, Rajiv; Schubert, Jürgen; Hensling, Felix V.; Barone, Matthew R.; et al (March 2022, Physical Review Materials)

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Harnessing Local Sample Variations to Generate Self-Consistent EELS References for Stoichiometry Quantification

https://doi.org/10.1017/S1431927619003635

Goodge, Berit H.; Nair, Hari P.; Ruf, Jacob P.; Schreiber, Nathaniel J.; Shen, Kyle M.; Schlom, Darrell G.; Kourkoutis, Lena F. (August 2019, Microscopy and Microanalysis)

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Strain relaxation induced transverse resistivity anomalies in $Sr Ru O_{3}$ thin films

https://doi.org/10.1103/PhysRevB.102.064406

Miao, Ludi; Schreiber, Nathaniel J.; Nair, Hari P.; Goodge, Berit H.; Jiang, Shengwei; Ruf, Jacob P.; Lee, Yonghun; Fu, Matthew; Tsang, Boris; Li, Yingfei; et al (August 2020, Physical Review B)
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Synthesis science of SrRuO ₃ and CaRuO ₃ epitaxial films with high residual resistivity ratios

https://doi.org/10.1063/1.5023477

Nair, Hari P.; Liu, Yang; Ruf, Jacob P.; Schreiber, Nathaniel J.; Shang, Shun-Li; Baek, David J.; Goodge, Berit H.; Kourkoutis, Lena F.; Liu, Zi-Kui; Shen, Kyle M.; et al (April 2018, APL Materials)

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