4 papers
Direct observation and consequences of dopant segregation inside and outside dislocation cores in perovskite BaSnO3
Hwanhui Yun, Abhinav Prakash, Turan Birol +2
Distinct dopant behaviors inside and outside dislocation cores are identified by atomic-resolution electron microscopy in perovskite BaSnO3 with considerable consequences on local…
Self-Assembled Periodic Nanostructures Using Martensitic Phase Transformations
Abhinav Prakash, Tianqi Wang, Ashley Bucsek +11
We describe a novel approach for the rational design and synthesis of self-assembled periodic nanostructures using martensitic phase transformations. We demonstrate this approach i…
STEM beam channeling in BaSnO3/LaAlO3 perovskite bilayers and visualization of 2D misfit dislocation network
Hwanhui Yun, Abhinav Prakash, Bharat Jalan +2
A study of the STEM probe channeling in a heterostructures crystalline specimen is presented here with a goal to guide appropriate STEM-based characterization for complex structure…
Separating Electrons and Donors in BaSnO3 via Band Engineering
Abhinav Prakash, Nicholas F. Quackenbush, Hwanhui Yun +9
Through a combination of thin film growth, hard X-ray photoelectron spectroscopy (HAXPES), scanning transmission electron microscopy/electron energy loss spectroscopy (STEM/EELS),…