3 papers
cond-mat.mtrl-sci2025
Direct Thermal Imaging of Domain Wall Hot Spots in LiNbO3
Lindsey R. Lynch, J. Marty Gregg, Amit Kumar +2
Ferroelectric domain wall devices offer a promising route to low-voltage, reconfigurable nanoelectronics by confining currents to nanoscale conducting interfaces within an insulati…
cond-mat.mes-hall2025
Current Flow Mapping in Conducting Ferroelectric Domain Walls using Scanning NV-Magnetometry
Conor J. McCluskey, James Dalzell, Amit Kumar +1
The electrical conductivity of parallel plate capacitors, with ferroelectric lithium niobate as the dielectric layer, can be extensively and progressively modified by the controlle…
cond-mat.mtrl-sci2024
AFM-based Functional Tomography-To Mill or not to Mill, that is the Question!
Niyorjyoti Sharma, Kristina M. Holsgrove, James Dalzell +8
The electrical response of ferroelectric domain walls is often influenced by their geometry underneath the sample surface. Tomographic imaging in these material systems has therefo…