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Search Publications by: Anna Osella (Assoc)

Displaying 1 - 2 of 2

Measuring the permittivity tensor of anisotropic DyScO3 to 110 GHz

August 14, 2023

Author(s)

Florian Bergmann, Meagan Papac, Nick Jungwirth, Bryan Bosworth, Tomasz Karpisz, Anna Osella, Lucas Enright, Eric Marksz, Angela Stelson, Chris Long, Nate Orloff

DyScO3 (DSO) is an attractive substrate on which to grow epitaxial thin films with extraordinary materials physics. However, its highly anisotropic permittivity makes some measurements exceedingly difficult: For instance, its permittivity tensor has not

Testing dielectric slab mode excitation, non-rectangular conductor profiles and edge roughness as sources of additional loss in mmWave transmission lines

July 28, 2023

Author(s)

Florian Bergmann, Nicholas Jungwirth, Bryan Bosworth, Jason Killgore, Eric Marksz, Tomasz Karpisz, Meagan Papac, Anna Osella, Lucas Enright, Christian Long, Nathan Orloff

Losses in mmWave transmission lines often exceed first-principles predictions based on measurements of dc resistivity and the nominal conductor geometry. In our case, we observed an additional distributed resistance of coplanar waveguides on DyScO3