Alexei Pavolotski
Alexey Pavolotsky tog sin masters- och doktorsexamen hos Moscow Aircraft Technology Institute / Technical University 1990 och 2003, inom materialvetenskap och materialtilverkninteknik. Hans forskningsintressen inkluderar karakterisering och tillverkning av låg-Tc tunnfilm samt mikrofrabrikation i allmänhet.

Visar 127 publikationer
GARD SIS Junction Fabrication Process to serve Next Generation Receivers for ALMA
Wideband OMT for the 210-373 GHz Band With Built-in 90? Waveguide Twist
Novel Orthomode Transducer Scalable to Terahertz Frequencies
Future of Observations in the mm/sub-mm Range: GARD's Novel Technologies for ALMA and Beyond
SEPIA345: a dual polarization 2SB cartridge receiver for APEX telescope: Design and Performance
Vacuum-Seal Waveguide Feedthrough for Extended W-Band 67-116 GHz
SIS technology development to serve Next Generation receivers for ALMA
ALMA Band 2 Cold Cartridge Assembly Design
GaN HEMT with superconducting Nb gates for low noise cryogenic applications
Wideband Slotline-to-Microstrip Transition for 210-375 GHz based on Marchand Baluns
ALMA Band 2 Receiver Automated Test System
SEPIA345: a dual polarization 2SB cartridge receiver for APEX telescope: Design and Performance
SEPIA345: A 345 GHz dual polarization heterodyne receiver channel for SEPIA at the APEX telescope
Millimeter-Wave Wideband Waveguide Power Divider with Improved Isolation between Output Ports
The Formation of nanosuboxide layers in the oxide of niobium in low-power ion beam of argon
Design and Implementation of a Compact 90 degrees Waveguide Twist With Machining Tolerant Layout
A Nonlinear Transmission Line Model for Simulating Distributed SIS Frequency Multipliers
Native oxide on ultra-thin NbN films
New optics for SEPIA- Heterodyne facility instrument for the APEX telescope
A 1mM SIS receiver utilizing different intermediate frequency (IF) configurations
Interface Layers of Niobium Nitride Thin Films
Specific capacitance of Nb/Al-AlN/Nb superconducting tunnel junctions
Broadband Waveguide-to-Substrate Transition Using a Unilateral Etched Finline Structure
ALMA Band 5 receiver cartridge: Design, performance, and commissioning
Noise performance of a balanced waveguide NbN HEB mixer utilizing a GaN buffer-layer at 1.3 THz
XPS Study of Multilayer Multicomponent Films
Air-Oxidation of Nb Nano-Films
Nb/Al-AlN/Nb superconducting tunnel junctions: fabrication process and characterization results
SEPIA - A new single pixel receiver at the APEX telescope
XPS Study of Niobium and Niobium-Nitride Nanofilms
Spectral Domain Simulation of SIS Frequency Multiplication
Specific Capacitance Dependence on the Specific Resistance in Nb/Al-AlOx/Nb Tunnel Junctions
XPS Depth Profiling of Air-Oxidized Nanofilms of NbN on GaN Buffer-Layers
The specific capacitance of Nb/Al-AlOx/Nb SIS junctions with extremely low RnA product
An XPS method for layer profiling of NbN thin films
Harmonic and reactive behavior of the quasiparticle tunnel current in SIS junctions
Broken-step Phenomenon in SIS Mixers
Experimental Verification of the pumping of SIS mixer with an Distributed SIS Frequency Doubler
THz Frequency Up-Conversion using Superconducting Tunnel Junction
X-RAY PHOTOELECTRON SPECTROSCOPY FOR LAYER-BY-LAYER PHASE ANALYSIS OF NbN THIN FILMS
A new 3 mm band receiver for the Onsala 20 m antenna
Metamaterial-Like Properties of the Distributed SIS Tunnel Junction
On Specific Capacitance of SIS Junctions
Direct Measurement of Superconducting Tunnel Junction Capacitance
Difference in charge transport properties of Ni-Nb thin films with native and artificial oxide
Towards quantum limited frequency multiplication
Mm-wave harmonic generation in an array of SIS junctions
Experimental Study of Frequency Multiplication in a Distributed Array of SIS Junctions
Study of NbN Ultra-thin Films for THz Hot-electron Bolometers
SIS Tunnel Junction’s Specific Capacitance Direct Measurement
Superconducting 4-8-GHz Hybrid Assembly for 2SB Cryogenic THz Receivers
Frequency Multiplication in a Distributed Array of SIS Junctions
Epitaxial growth of ultra-thin NbN films on AlxGa1-xN buffer-layers
An SIS Mixer With 2hf/k DSB Noise Temperature at 163–211 GHz Band
Ultra-thin film NbN depositions for HEB heterodyne mixer on Si-substrates
Superconducting 4-8 GHz Hybrid Assembly for 2SB Cryogenic THz Receivers
Performance of the First ALMA Band 5 Production Cartridge
Aging- and annealing-induced variations in Nb/Al-AlOx/Nb tunnel junction properties
Local Oscillator System Development for the ALMA Band 5 Receiver
Excess Noise Generation from Solid State Tunable Local Oscillators
Terahertz components packaging using integrated waveguide technology
Nb/Al-AlOx/Nb Junction Properties' Variations Due to Storage and Mounting
A Technology Demonstrator for 1.6–2.0 THz Waveguide HEB Receiver with a Novel Mixer Layout
Waveguide Packaging Technology for THz Components and Systems
Performance of the first ALMA Band 5 production cartridge
Towards Multi-Pixel Heterodyne Terahertz Receivers
Advanced Technologies for Radio Astronomy Instrumentation
Integrated Setup for THz Receiver Characterization
Design and performance of ALMA band 5 receiver cartridge
Design and Performance of ALMA Band 5 Receiver Components
The influence of aging and annealing on the properties of Nb/Al-AlOx/Nb tunnel junctions
ALMA band 5 cartridge performance
Terahertz Instrumentation For Radio Astronomy
ALMA Band 5 (163-211 GHz) Sideband Separation Mixer
A 1.3-THz Balanced Waveguide HEB Mixer for the APEX Telescope
Analysis, Simulation and Design of Cryogenic Systems for ALMA Band 5 Prototype Cartridge
Prototype ALMA Band 5 Cartridge:Design and Performance
ALMA Band 5 (163-211 GHz) Sideband Separating Mixer Design
A Swedish heterodyne facility instrument for the APEX telescope
Nb3Al thin film deposition for low-noise terahertz electronics
Microfabrication Technology for All-Metal Sub-mm and THz Waveguide Receiver Components
Study of Nb/Al Interface Combining Spectroscopy of Reflected Electrons with Ion Sputtering
Al/Nb Interface Study Based on the Analysis of the Energy Spectra of Reflected Electrons
APEX Band T2: A 1.25 – 1.39 THz Waveguide Balanced HEB Receiver
Study of Nb/Al interface combining spectroscopy of reflected electrons with ion sputtering
ALMA Band 5 (163-211 GHz) sideband separation mixer design
Design and Characterization of a 211-275 GHz Sideband Separating Mixer for the APEX Telescope
A 0.5 THz Sideband Separation SIS Mixer for APEX Telescope
A 211-275 GHz Sideband Separating SIS Mixer for APEX
Study of A1/Nb interface by spectroscopy of reflected electrons
Nb3Al thin film deposition for low-noise terahertz electronics
Facility Heterodyne Receiver for the Atacama Pathfinder Experiment Telescope
A 0.8 mm heterodyne facility receiver for the APEX telescope
Balanced Waveguide HEB Mixer for APEX 1.3 THz Receiver
A sideband separation SIS mixer for 275-370 GHz for the APEX telescope
A 385-500 GHz SIS Mixer for APEX Telescope
A 279-381 GHz SIS Receiver for the APEX Telescope
Cryogenic LNA Characterization with SIS Junction as Noise Source
Heterodyne Single-Pixel Facility Instrumentation for APEX Telescope
Sideband Separating SIS Mixer with On-Substrate LO-Injection Circuitry
High Quality Microstrip Termination for MMIC and Millimeter-Wave Applications
Micromachining Approach in Fabricating of THz Waveguide Components
Three-level Silicon Micromachining For 1.3 THz APEX Receiver Waveguide Components
A 275-370 GHz Receiver SIS Mixer With Novel Probe Structure
High Performance of Resistive Thin-film Termination for Microstrip Lines
A Sideband Separating Mixer for 85-115 GHz
Waveguide Components Development for APEX 1.32 THz Receiver
Design and Characterization of a Sideband Separating SIS Mixer for 85-115 GHz
Performance of a Sideband Separating SIS Mixer for 85-115 GHz
Micromachining Approach in Fabricating of THz Waveguide Components
Design of a Balanced Waveguide HEB Mixer for APEX 1.32 THz Receiver
A 275-370 GHz SIS Mixer for the APEX Telescope
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