Near-field scanning microwave microscopy: An emerging research tool for nanoscale metrology

A Imtiaz, TM Wallis, P Kabos - IEEE Microwave Magazine, 2014 - ieeexplore.ieee.org
On 29 December 1959 at the annual meeting of the American Physical Society, Richard
Feynman gave a lecture at the California Institute of Technology titled" There Is Plenty of …

Calibrated complex impedance and permittivity measurements with scanning microwave microscopy

G Gramse, M Kasper, L Fumagalli, G Gomila… - …, 2014 - iopscience.iop.org
We present a procedure for calibrated complex impedance measurements and dielectric
quantification with scanning microwave microscopy. The calibration procedure works in situ …

All-electronic terahertz nanoscopy

C Liewald, S Mastel, J Hesler, AJ Huber, R Hillenbrand… - Optica, 2018 - opg.optica.org
Probing conductivity in a contactless way with nanoscale resolution is a pressing demand in
such active fields as quantum materials, superconductivity, and molecular electronics. Here …

Nanoscale electric permittivity of single bacterial cells at gigahertz frequencies by scanning microwave microscopy

MC Biagi, R Fabregas, G Gramse… - ACS …, 2016 - ACS Publications
We quantified the electric permittivity of single bacterial cells at microwave frequencies and
nanoscale spatial resolution by means of near-field scanning microwave microscopy. To this …

Nondestructive imaging of atomically thin nanostructures buried in silicon

G Gramse, A Kölker, T Lim, TJZ Stock, H Solanki… - Science …, 2017 - science.org
It is now possible to create atomically thin regions of dopant atoms in silicon patterned with
lateral dimensions ranging from the atomic scale (angstroms) to micrometers. These …

Enhancing the contact between a-IGZO and metal by hydrogen plasma treatment for a high-speed varactor (> 30 GHz)

H Park, J Yun, S Park, I Ahn, G Shin… - ACS Applied …, 2022 - ACS Publications
We achieved the lowest contact resistance between a-IGZO and a metal electrode for> 30
GHz operation of an oxide semiconductor device. For high-resolution display and high …

Probing resistivity and doping concentration of semiconductors at the nanoscale using scanning microwave microscopy

E Brinciotti, G Gramse, S Hommel, T Schweinboeck… - Nanoscale, 2015 - pubs.rsc.org
We present a new method to extract resistivity and doping concentration of semiconductor
materials from Scanning Microwave Microscopy (SMM) S11 reflection measurements. Using …

Anomalous contrast in broadband THz near-field imaging of gold microstructures

A Pizzuto, X Chen, H Hu, Q Dai, M Liu… - Optics …, 2021 - opg.optica.org
THz scattering-type scanning near-field microscopy (s-SNOM) has become a powerful
technique for measuring carrier dynamics in nanoscale materials and structures. Changes in …

An interferometric scanning microwave microscope and calibration method for sub-fF microwave measurements

T Dargent, K Haddadi, T Lasri, N Clément… - Review of Scientific …, 2013 - pubs.aip.org
We report on an adjustable interferometric set-up for Scanning Microwave Microscopy. This
interferometer is designed in order to combine simplicity, a relatively flexible choice of the …

Microwave near-field imaging of two-dimensional semiconductors

S Berweger, JC Weber, J John, JM Velazquez… - Nano …, 2015 - ACS Publications
Optimizing new generations of two-dimensional devices based on van der Waals materials
will require techniques capable of measuring variations in electronic properties in situ and …