L64.00007. Surface Acoustic Wave Generation and Detection on LaAlO3/SrTiO3
Presented by: Dengyu Yang
Abstract
We aim to generate and detect surface acoustic waves (SAW) in LaAlO3/SrTiO3 heterostructures. Using a well-developed conductive-AFM lithography technique [1], we “sketch” interdigitated transducers (IDT) on LaAlO3/SrTiO3 “canvases”, which convert electronic signals into SAW and vice-versa. Two sets of IDTs are written on the structure to function as a generator and detector. SAW can be used to generate dynamic potentials based on piezoelectric properties of LaAlO3/SrTiO3, and have the potential to drive electrons through nanostructures, a property that could be useful for quantum information applications. [1] C. Cen, et al., Nature Materials 7, 298 (2008).
Authors
- Dengyu Yang
- Yun-Yi Pai
- Yuhe Tang
- Muqing Yu
- Yang Hu
- Hyungwoo Lee
- Jung-Woo Lee
- Chang-Beom Eom
- Patrick Irvin1
- Jeremy Levy
