Search Results - "Muller, Alexandru"
-
1
Sezawa Propagation Mode in GaN on Si Surface Acoustic Wave Type Temperature Sensor Structures Operating at GHz Frequencies
Published in IEEE electron device letters (01-12-2015)“…This letter investigates the applicability of Sezawa propagation mode for various GaN/Si surface acoustic wave (SAW) temperature sensor structures. First,…”
Get full text
Journal Article -
2
Interaction of acoustic waves with spin waves using a GHz operating GaN/Si SAW device with a Ni/NiFeSi layer between its IDTs
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (26-09-2024)“…A two port surface acoustic wave (SAW) device was developed to be used for the control and excitation via spin waves (SW). The structure was manufactured using…”
Get full text
Journal Article -
3
Influence of Au-Based Metallization on the Phase Velocity of GaN on Si Surface Acoustic Wave Resonators
Published in IEEE electron device letters (01-03-2016)“…This letter presents a comparison between the phase velocity of Al and Ti/Au metallized GaN/Si-based surface acoustic wave structures. The resonance frequency…”
Get full text
Journal Article -
4
Investigation of Temperature Sensing Capabilities of GaN/SiC and GaN/Sapphire Surface Acoustic Wave Devices
Published in IEEE access (2022)“…This paper proposes high sensitivity temperature sensors based on single port surface acoustic wave (SAW) devices with GHz resonance frequencies, developed on…”
Get full text
Journal Article -
5
SAW Devices Manufactured on GaN/Si for Frequencies Beyond 5 GHz
Published in IEEE electron device letters (01-12-2010)“…This letter describes the manufacture and characterization of surface acoustic wave (SAW) devices on GaN/Si devoted to applications above the 5-GHz frequency…”
Get full text
Journal Article -
6
Parametric Excitation and Instabilities of Spin Waves Driven by Surface Acoustic Waves
Published in Advanced Physics Research (19-10-2024)“…Abstract The parametric excitation of spin waves by coherent surface acoustic waves in metallic magnetic thin film structures is demonstrated experimentally…”
Get full text
Journal Article -
7
Millimeter-Wave Identification-A New Short-Range Radio System for Low-Power High Data-Rate Applications
Published in IEEE transactions on microwave theory and techniques (01-10-2008)“…The radio-frequency identification (RFID) concept is expanded to millimeter-wave frequencies and millimeter-wave identification (MMID) in this paper. The MMID…”
Get full text
Journal Article -
8
6.3-GHz Film Bulk Acoustic Resonator Structures Based on a Gallium Nitride/Silicon Thin Membrane
Published in IEEE electron device letters (01-08-2009)“…This letter describes the fabrication and the morphological and microwave characterization of film bulk acoustic resonator structures, supported on very thin…”
Get full text
Journal Article -
9
Fully resonant magneto-elastic spin-wave excitation by surface acoustic waves under conservation of energy and linear momentum
Published in Applied physics letters (13-06-2022)“…We report on the resonant excitation of spin waves in micro-structured magnetic thin films by short-wavelength surface acoustic waves (SAWs). The spin waves as…”
Get full text
Journal Article -
10
Interference of co-propagating Rayleigh and Sezawa waves observed with micro-focused Brillouin light scattering spectroscopy
Published in Applied physics letters (23-11-2020)“…We use micro-focused Brillouin light scattering spectroscopy (BLS) to investigate surface acoustic waves (SAWs) in a GaN layer on a Si substrate at GHz…”
Get full text
Journal Article -
11
Thin polyimide films for dielectric interlayer application
Published in 2009 International Semiconductor Conference (01-10-2009)“…Thin films based on siloxane-containing polyimides have been prepared by the drop-casting technique. These films with thickness of tens of micrometers were…”
Get full text
Conference Proceeding -
12
The Behavior of Gold Metallized AlN/Si- and AlN/Glass-Based SAW Structures as Temperature Sensors
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-05-2021)“…Thin AlN piezoelectric layers have been deposited on high resistivity Si and glass substrates by reactive RF magnetron sputtering, in order to manufacture…”
Get full text
Journal Article -
13
Design flow for a SiGe BiCMOS based power amplifier
Published in 2009 International Semiconductor Conference (01-10-2009)“…This paper presents a streamlined design flow for an integrated power amplifier. For a given set of amplifier specifications and BiCMOS process parameters, a…”
Get full text
Conference Proceeding -
14
GaN Membrane Supported SAW Pressure Sensors With Embedded Temperature Sensing Capability
Published in IEEE sensors journal (15-11-2017)“…This paper presents the fabrication and characterization of a GHz operating surface acoustic wave (SAW)-based pressure sensor on a 1.2-μm-thin GaN membrane…”
Get full text
Journal Article -
15
Membrane supported circuits for millimeter wave applications
Published in 2014 International Semiconductor Conference (CAS) (01-10-2014)“…This paper presents a series of passive millimeter wave membrane supported circuits recently developed by the authors. Double folded slot antennas, band pass…”
Get full text
Conference Proceeding -
16
Dielectric properties of thin polyimide films
Published in CAS 2010 Proceedings (International Semiconductor Conference) (01-10-2010)“…Heterocyclic polyimides based on bis (ketonaphthalic) dianhydrides and aromatic diamines containing oxadiazole rings were prepared and their dielectric…”
Get full text
Conference Proceeding -
17
Pressure sensors based on high frequency operating GaN FBARs
Published in 2015 International Semiconductor Conference (CAS) (01-10-2015)“…In this paper, first experiments regarding characterization of the GaN based FBAR (Film Bulk Acoustic Resonator) structures as pressure sensors are presented…”
Get full text
Conference Proceeding Journal Article -
18
Novel micromachined lumped band pass filter for 5.2GHz WLAN applications
Published in International journal of electronics and communications (01-12-2011)Get full text
Journal Article -
19
Novel micromachined lumped band pass filter for 5.2 GHz WLAN applications
Published in International journal of electronics and communications (01-01-2011)“…This paper describes the design, manufacturing and experiments of a lumped element band pass filter in a new topology. The design starts from a second order…”
Get full text
Journal Article -
20
High performance thin film bulk acoustic resonator covered with carbon nanotubes
Published in Applied physics letters (02-10-2006)“…This letter presents experimental results concerning a thin film bulk acoustic wave resonator realized on a thin GaN membrane and covered with a thin film of…”
Get full text
Journal Article