Scientific publications

Heavy ion irradiation induced phase transitions and their impact on the switching behavior of ferroelectric hafnia

M. Lederer, T. Vogel, T. Kämpfe, N. Kaiser, E. Piros, R. Olivo, T. Ali, S. Petzold, D. Lehninger, C. Trautmann, L. Alff, K. Seidel

Journal of Applied Physics 132, 064102 (2022) – https://doi.org/10.1063/5.0098953

 

Structural and electrical response of emerging memories exposed to heavy ion radiation

Tobias Vogel, Alexander Zintler, Nico Kaiser, Nicolas Guillaume, Gauthier Lefèvre, Maximilian Lederer, Anna Lisa Serra, Eszter Piros, Taewook Kim, Philipp Schreyer, Robert Winkler, Déspina Nasiou, Ricardo Revello Olivo, Tarek Ali, David Lehninger, Alexey Arzumanov, Christelle Charpin-Nicolle, Guillaume Bourgeois, Laurent Grenouillet, Marie-Claire Cyrille, Gabriele Navarro, Konrad Seidel, Thomas Kämpfe, Stefan Petzold, Christina Trautmann, Leopoldo Molina-Luna, and Lambert Alff

ACS Nano 2022, 16, 9, 14463–1447 – https://doi.org/10.1021/acsnano.2c04841

 

Impact of Ferroelectric Layer Thickness on Reliability of Back-End-of-Line-Compatible Hafnium Zirconium Oxide Films

Ayse Sünbül, David Lehninger, Raik Hoffmann, Ricardo Olivo, Aditya Prabhu, Fred Schöne, Kati Kühnel, Moritz Döllgast, Nora Haufe, Lisa Roy, Thomas Kämpfe, Konrad Seidel, Lukas M. Eng

Adv. Eng. Mater.2022, 2201124 – https://doi.org/10.1002/adem.202201124

 

Enhanced Conductivity and Microstructure in Highly Textured TiN1−x/c‑Al2O3 Thin Films

Alexander Zintler, Robert Eilhardt, Stefan Petzold, Sankaramangalam Ulhas Sharath, Enrico Bruder, Nico Kaiser, Lambert Alff, and Leopoldo Molina-Luna

ACS Omega 2022, 7, 2041−2048 – https://doi.org/10.1021/acsomega.1c05505

 

Sub 10-nm ferroelectric Gd-doped HfO2 Layers

E.V. Skopin, N. Guillaume, L. Alrifai, P. Gonon, and A. Bsiesy

Appl. Phys. Lett. 120, 172901 (2022) – https://doi.org/10.1063/5.0088505

 

Fluorite-Structured Ferroelectric and Antiferroelectric Materials: A Gateway of Miniaturized Electronic Devices

Faizan Ali,Tarek Ali,David Lehninger,Ayse Sünbül,Alison Viegas,Ridham Sachdeva,Akmal Abbas,Malte Czernohorsky,Konrad Seidel

Adv. Funct. Mater. 2022, 2201737 – https://doi.org/10.1002/adfm.202201737

 

Defect-Stabilized Substoichiometric Polymorphs of Hafnium Oxide with Semiconducting Properties

Nico Kaiser, Tobias Vogel, Alexander Zintler, Stefan Petzold, Alexey Arzumanov, Eszter Piros, Robert Eilhardt, Leopoldo Molina-Luna, and Lambert Alff

ACS Appl. Mater. Interfaces 2022, 14, 1290−1303 – https://doi.org/10.1021/acsami.1c09451