Review of the VO2 smart material applications with emphasis on its use for spacecraft thermal control

E Haddad, RV Kruzelecky, P Murzionak… - Frontiers in …, 2022 - frontiersin.org
It is surprising to see the wide range and versatile potential of applications of the VO2, due to
its transition from a semiconductor phase at low temperature, to a metallic state at high …

Radio-frequency characteristics of Ge-doped vanadium dioxide thin films with increased transition temperature

A Muller, RA Khadar, T Abel, N Negm… - ACS Applied …, 2020 - ACS Publications
This work investigates and reports on the radio-frequency (rf) behavior in the frequency
range of 5–35 GHz of germanium-doped vanadium dioxide (Ge-doped VO2) thin films …

The 3D Smith chart: From theory to experimental reality

AA Muller, V Asavei, A Moldoveanu… - IEEE Microwave …, 2020 - ieeexplore.ieee.org
The Smith chart was primarily developed, extended, and refined by Phillip Hagar Smith [1] in
a series of works published [2]-[4] between 1939 and 1969. Smith was born in Lexington …

Experimental Demonstration of Vanadium Dioxide Phase Change Thin Film Based Tunable Spiral Inductors

L Li, E Shin, H Attariani, W Wang… - ECS Journal of Solid …, 2020 - iopscience.iop.org
In this paper, a tunable spiral inductor integrated with vanadium dioxide (VO 2) thin film on
coplanar waveguide (CPW) transmission line is proposed. The tunable inductance is …

Temperature dependence of reconfigurable bandstop filters using vanadium dioxide switches

AA Muller, M Cavalieri, AM Ionescu - Applied Physics Letters, 2020 - pubs.aip.org
In this Letter, we report and investigate the temperature dependency of various radio
frequency (RF) parameters for a fabricated reconfigurable bandstop filter with vanadium …

[PDF][PDF] The 3D Smith chart from theory to experimental reality check

CP Khadar, D Dascalu, AM Ionescu - academia.edu
Phillip Smith was born in 1905 in Lexington, Massachusetts. He majored in electrical
communications at Tufts University and joined the Radio Research Department of Bell …

3D Smith chart constant quality factor semi-circles contours for positive and negative resistance circuits

V Asavei, AA Muller, E Sanabria-Codesal… - IEEE …, 2020 - ieeexplore.ieee.org
The article firstly proves that the constant quality factor (Q) contours for passive circuits, while
represented on a 2D Smith chart, form circle arcs on a coaxal circle family. Furthermore …