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Roberto Antonio Ortiz
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Stabilization of three-dimensional charge order in YBa2Cu3O6+x via epitaxial growth
M Bluschke, A Frano, E Schierle, D Putzky, F Ghorbani, R Ortiz, H Suzuki, ...
Nature communications 9 (1), 2978, 2018
472018
Magnetic correlations in infinite-layer nickelates: An experimental and theoretical multimethod study
RA Ortiz, P Puphal, M Klett, F Hotz, RK Kremer, H Trepka, M Hemmida, ...
Physical Review Research 4 (2), 023093, 2022
372022
Superlattice approach to doping infinite-layer nickelates
RA Ortiz, H Menke, F Misják, DT Mantadakis, K Fürsich, E Schierle, ...
Physical Review B 104 (16), 165137, 2021
262021
Investigation of hydrogen incorporations in bulk infinite-layer nickelates
P Puphal, V Pomjakushin, RA Ortiz, S Hammoud, M Isobe, B Keimer, ...
Frontiers in Physics 10, 842578, 2022
162022
Resonant inelastic x-ray scattering study of bond order and spin excitations in nickelate thin-film structures
K Fürsich, Y Lu, D Betto, M Bluschke, J Porras, E Schierle, R Ortiz, ...
Physical Review B 99 (16), 165124, 2019
142019
Ruddlesden–Popper Faults in NdNiO3 Thin Films
C Yang, Y Wang, D Putzky, W Sigle, H Wang, RA Ortiz, G Logvenov, ...
Symmetry 14 (3), 464, 2022
112022
Thickness-dependent interface polarity in infinite-layer nickelate superlattices
C Yang, RA Ortiz, Y Wang, W Sigle, H Wang, E Benckiser, B Keimer, ...
Nano Letters 23 (8), 3291-3297, 2023
82023
Oxygen Hole Character and Lateral Homogeneity in PrNiO2+ δ Thin Films
K Fürsich, R Pons, M Bluschke, RA Ortiz, S Wintz, E Schierle, M Weigand, ...
Frontiers in Physics 9, 810220, 2022
52022
Structural, electronic and magnetic properties of infinite-layer nickelate heterostructures and polycrystals
RA Ortiz
22022
Generation of Ruddlesden-Popper faults in Sr doped NdNiO3
C Yang, R Ortiz, Y Wang, D Putzky, E Benckiser, B Keimer, PA van Aken
Microscopy and Microanalysis 27 (S1), 1198-1200, 2021
22021
Atomic Insights of Interface Polarity in NdNiO2/SrTiO3 Superlattices
C Yang, RA Ortiz, Y Wang, W Sigle, H Wang, E Benckiser, B Keimer, ...
Microscopy and Microanalysis 29 (Supplement_1), 321-322, 2023
12023
Epitaxial superlattices as a framework for stabilizing different structures
F Misják, RA Ortiz, D Geiger, MK Kinyanjui, E Schierle, K Fürsich, ...
Physical Review Materials 8 (6), 065001, 2024
2024
Ruddlesden–Popper Faults in NdNiO3 Thin Films. Symmetry 2022, 14, 464
C Yang, Y Wang, D Putzky, W Sigle, H Wang, RA Ortiz, G Logvenov, ...
s Note: MDPI stays neutral with regard to jurisdictional claims in published …, 2022
2022
Generation of Ruddlesden-Popper faults in Sr doped NdNiO3
BKPAA Chao Yang , Roberto Ortiz , Yi Wang , Daniel Putzky , Eva Benckiser
Microscopy and Microanalysis 27, 1198 - 1200, 2021
2021
Spin dynamics in polycrystalline LaNiO2
M Hepting, R Ortiz, P Puphal, R Kremer, M Isobe, B Keimer
APS March Meeting Abstracts 2021, R47. 008, 2021
2021
Synthesis and characterization of infinite-layer La1-xCaxNiO2 single crystals
P Puphal, YM Wu, H Lee, K Fuersich, R Ortiz, M Minola, YE Suyolcu, ...
APS March Meeting Abstracts 2021, R47. 013, 2021
2021
Charge-carrier doping in nickelate heterostructures
R Ortiz, F Wrobel, K Fürsich, M Bluschke, G Christiani, G Logvenov, ...
Verhandlungen der Deutschen Physikalischen Gesellschaft, 2019
2019
Dimensionality-controlled interface properties in infinite-layer nickelate superlattices
C Yang, Y Wang, W Sigle, RA Ortiz, H Wang, E Benckiser, B Keimer, ...
Supplemental material for
C Yang, Y Wang, D Putzky, W Sigle, H Wang, RA Ortiz, G Logvenov, ...
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