Most preprints are available on arXiv, otherwise upon request.
[Proceeding 4.] Tracing oxygen transport pathways with in-situ STEM and theory,
A. Y. Birenbaum, V. R. Cooper, A. Borisevich, Microscopy & Microanalysis TBD (2019)
contribution: Analysis of the microscopy data complemented with density functional theory calculations of oxygen transport.
5. Intrinsic interfacial van der Waals monolayers and their effect on the high-temperature superconductor FeSe / SrTiO3,
H. Sims, D. N. Leonard, A. Y. Birenbaum, Z. Ge, L. Li, V. R. Cooper, M. F. Christholm, S. Pantelides, submitted to Physical Review Letters, arXiv:1805.03293
contribution: Understanding and density functional theory calculations of the magnetism and electronic states of Fe/Se and its interaction with the TiOx monolayer.
4. Trend in Oxygen vacancy formation energies in PbTiO3/SrTiO3 superlattice,
L. Zhang, I. Bredeson, A. Y. Birenbaum, P. R. C. Kent, V. Cooper, P. Ganesh, H. Xu, Physical Review Materials 2, 064409 (2018)
contribution: Crystallographic analysis of the rotational and distortion modes, making an argument that the interfaces are inequivalent and drive the observed properties in the polar structure.
[Proceeding 3.] Towards the mechanism of oxygen vacancy formation & ordering via tracking of beam-induced dynamics and density functional theory,
A. Y. Birenbaum, L. Qiao, V. R. Cooper, A. Borisevich, Microscopy & Microanalysis 24, S1, 92-93 (2018)
contribution: Induced oxygen vacancies to form and order in a ceramic thin film using scanning transmission electron microscopy. Analysis of the microscopy data complemented with density functional theory.
[Proceeding 2.] Accurate calculations of CBED Patterns for 4D STEM using electron densities calculated by density functional theory,
M. P. Oxley, A. Y. Birenbaum, T. Pandey, V. R. Cooper, Miaofang Chi, Microscopy & Microanalysis 24, S1, 116-117 (2018)
contribution: Density functional theory calculations of electronic charge densities, separating core from valence using an adapted Bader method, to demonstrate there is no need for all-electron calculations.
[Proceeding 1.] Investigating ionic transport anisotropy in oxygen deficient lanthanum cobaltites via STEM and first principles theory,
A. Y. Birenbaum, L. Qiao, M. Biegalski, V. R. Cooper, A. Borisevich, Microscopy & Microanalysis 23, S1, 1410-1411 (2017)
contribution: Comparative study of different oxygen deficient lanthanum cobaltite structures using strain states calculated from density functional theory.
3. Magnetic critical temperatures in magnetically dilute 4-Layered Aurivillius phases
A. Y. Birenbaum, A. Scaramucci, C. Ederer, Physical Review B 95, 104419 (2017)(cited 8 times)
contribution: Prediction of critical temperatures of magnetically dilute 3D quasi-square system using Monte Carlo (metropolis algorithm).
2. Controlling the cation distribution & electric polarization with epitaxial strain in Aurivillius-phase Bi5FeTi3O15,
A. Y. Birenbaum, C. Ederer, Applied Physics Letter 108, 082903 (2016)(cited 5 times)
contribution: Prediction of strain induced specific cation distribution preferences and electric polarization calculated using density functional theory. I designed and led this project carried out by BSc. students. Ferroelectricity independently experimentally verified by Campanini et al. (Microscopy & Microanalysis 23 (Suppl 1), 2017)
1. The potentially multiferroic aurivillius phase: electric Bi5FeTi3O15: cation site preference, electric polarization, and magnetic coupling from first principles,
A. Y. Birenbaum, C. Ederer, Physical Review B 90, 214109, (2014)(cited 57 times)
contribution: Complete picture analysis using density functional theory calculation to determine site preference, electric polarization, and magnetic coupling, in 10 different structures.
Can the Aurivillius phases be multiferroic? A first principles based study
A. Y. Birenbaum, Dissertation Nr. 22885, ETH Zürich (2015)