N. Bourzgui - Academia.edu (original) (raw)
Papers by N. Bourzgui
IEEE Transactions on Electron Devices
![Research paper thumbnail of Low Source/Drain Contact Resistance for AlGaN/GaN HEMTs with High Al Concentration and Si-HP [111] Substrate](https://attachments.academia-assets.com/71682052/thumbnails/1.jpg)
](ECS Journal of Solid State Science and Technology
The version presented here may differ from the published version or from the version of the recor... more The version presented here may differ from the published version or from the version of the record. Please see the repository URL above for details on accessing the published version and note that access may require a subscription.
Global Symposium on Millimeter-Waves (GSMM), 2015
Experimental Astronomy, 2015
We present a long-term assessment of the radiometric calibration and degradation of the Large Yie... more We present a long-term assessment of the radiometric calibration and degradation of the Large Yield Radiometer (LYRA), which has been on orbit since 2009. LYRA is an ultraviolet (UV) solar radiometer and is the first space experiment using aboard a pioneering diamond detector technology. We show that LYRA has degraded after the commissioning phase but is still exploitable scientifically after almost 5 years on orbit thanks to its redundancy design and calibration strategy correcting for instrument degradation. We focus on the inflight detector's calibration and show that diamond photodetectors have not degraded while silicon reference photodiodes that are even less exposed to the Sun show an increase of their dark current and a decrease of their photoresponse.
2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535), 2004
... is cooled by the circulation of a refrigerant (Nitrogen or Helium liquid) to reach low temper... more ... is cooled by the circulation of a refrigerant (Nitrogen or Helium liquid) to reach low temperatures via a cold head under the copper chuck. ... The specific RF probes are manufactured by @Picoprobe and they are composed of a miniature coaxial cable made of flexible BeCu alloys. ...
Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004., 2004
The use of terahertz waves is a promising approach for the characterization of the informative mo... more The use of terahertz waves is a promising approach for the characterization of the informative molecular assembly and its evolution inside biological cell membranes. In this way we propose a new microprobe which combines microfluidic and microwave structures for measurements in the 140-220 GHz band. This structure, based on a thinned microstrip line, includes an excellent coplanar to microstrip transition
Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004., 2004
We investigate a possible fabrication of microfluidic MEMS dedicated to the THz spectroscopy in a... more We investigate a possible fabrication of microfluidic MEMS dedicated to the THz spectroscopy in a mixing technology based on silicon substrate coated with a thick layer of polymer. This layer is useful for the microfluidic circulation and the electromagnetic propagation. We use an original deposition process realized by RPECVD (remote plasma enhanced vapor deposition), called also "cold plasma". We obtain
ESSDERC ’89, 1989
We propose a microwave device using a novel cell which allows one to measure the sheet resistance... more We propose a microwave device using a novel cell which allows one to measure the sheet resistance (Rn), the carrier density (n) and the mobility (¿) of epitaxial layers. The electrical contacts between the sample and the cell are capacitive. The method is non-destructive and doesn't require any technological process. Measurements can be performed within the following ranges : 5
2006 European Microwave Integrated Circuits Conference, 2006
This paper describes the noise and dynamic behavior of commercial MHEMTs characterized at extreme... more This paper describes the noise and dynamic behavior of commercial MHEMTs characterized at extreme low temperatures (78K and 173K). This is the first time, to our knowledge that the noise performance of metamorphic transistors has been investigated at such low temperatures in this frequency range (from 20 to 42 GHz). The low temperature DC characteristics of these transistors will be detailed after a brief introduction describing the main motivations of this study. Then, we will describe the dynamic behavior of such components under cryogenic conditions. Finally, noise measurements have also been performed from 20 to 42 GHz, using a non-uniform de-embedding technique. The noise parameters of the transistors, extracted from these measurements, will be presented versus the temperature. The results presented show an excellent cryogenic performance at transistor level (NF min of 0.3 dB and a g ass of 11.2 dB at 30 GHz and 78K) as well as a for a matched MMIC LNA (S21=27 dB, NF=0.4 dB at 30 GHz, at 78K).
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, 2006
We propose a new technology for high throughput bioMEMS based on a mixed technology polymer on si... more We propose a new technology for high throughput bioMEMS based on a mixed technology polymer on silicon. This technology is compatible with microelectronic processes, the electromagnetic propagation, the microfluidic circulation and the biological solutions. We use a new process and a new polymer deposited by a "cold" plasma technique. We can use it for a surface functionalization or for the encapsulation with plasma assisted wafer bonding.
Applied Physics Letters, 2014
Review of Scientific Instruments, 1990
Microwave, European Conference, 2004
Biosensors allow investigating complex media with many applications in biology, environment and f... more Biosensors allow investigating complex media with many applications in biology, environment and food processing. But new constraints in terms of sensitivity, real-time measurement and life time lead to new designs. Microfluidic and microsystems technologies can bring interesting solutions. We present here a new technological method for the microfabrication of such biosensors, called hioMEMS, based on the deposition of a polymer
Journal of Applied Physics, 2014
IEEE Electron Device Letters, 2000
In this letter, the microwave and noise performance of SiGe heterojunction bipolar transistors (H... more In this letter, the microwave and noise performance of SiGe heterojunction bipolar transistors (HBTs) has been characterized when cooling down the temperature. It was found that SiGe HBTs (fabricated in the framework of BiCMOS process) exhibit a maximum oscillation frequency fmax of about 292 GHz at 78 K, which represents an increase of about 30% with the value measured at
Journal de Physique IV (Proceedings), 2002
This paper deals with the determination of lambda and Zs of YBa2Cu3O{7-delta} thin films deposite... more This paper deals with the determination of lambda and Zs of YBa2Cu3O{7-delta} thin films deposited on MgO singlecrystals, from 36 GHz resonant conical cavity measurements performed in the 25 K to 300 K temperature range. The results are discussed in relation with DC electrical transport properties of the films and also with substrate preparation prior to YBaCuO deposition.
IEEE Transactions on Electron Devices
ECS Journal of Solid State Science and Technology
The version presented here may differ from the published version or from the version of the recor... more The version presented here may differ from the published version or from the version of the record. Please see the repository URL above for details on accessing the published version and note that access may require a subscription.
Global Symposium on Millimeter-Waves (GSMM), 2015
Experimental Astronomy, 2015
We present a long-term assessment of the radiometric calibration and degradation of the Large Yie... more We present a long-term assessment of the radiometric calibration and degradation of the Large Yield Radiometer (LYRA), which has been on orbit since 2009. LYRA is an ultraviolet (UV) solar radiometer and is the first space experiment using aboard a pioneering diamond detector technology. We show that LYRA has degraded after the commissioning phase but is still exploitable scientifically after almost 5 years on orbit thanks to its redundancy design and calibration strategy correcting for instrument degradation. We focus on the inflight detector's calibration and show that diamond photodetectors have not degraded while silicon reference photodiodes that are even less exposed to the Sun show an increase of their dark current and a decrease of their photoresponse.
2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535), 2004
... is cooled by the circulation of a refrigerant (Nitrogen or Helium liquid) to reach low temper... more ... is cooled by the circulation of a refrigerant (Nitrogen or Helium liquid) to reach low temperatures via a cold head under the copper chuck. ... The specific RF probes are manufactured by @Picoprobe and they are composed of a miniature coaxial cable made of flexible BeCu alloys. ...
Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004., 2004
The use of terahertz waves is a promising approach for the characterization of the informative mo... more The use of terahertz waves is a promising approach for the characterization of the informative molecular assembly and its evolution inside biological cell membranes. In this way we propose a new microprobe which combines microfluidic and microwave structures for measurements in the 140-220 GHz band. This structure, based on a thinned microstrip line, includes an excellent coplanar to microstrip transition
Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004., 2004
We investigate a possible fabrication of microfluidic MEMS dedicated to the THz spectroscopy in a... more We investigate a possible fabrication of microfluidic MEMS dedicated to the THz spectroscopy in a mixing technology based on silicon substrate coated with a thick layer of polymer. This layer is useful for the microfluidic circulation and the electromagnetic propagation. We use an original deposition process realized by RPECVD (remote plasma enhanced vapor deposition), called also "cold plasma". We obtain
ESSDERC ’89, 1989
We propose a microwave device using a novel cell which allows one to measure the sheet resistance... more We propose a microwave device using a novel cell which allows one to measure the sheet resistance (Rn), the carrier density (n) and the mobility (¿) of epitaxial layers. The electrical contacts between the sample and the cell are capacitive. The method is non-destructive and doesn't require any technological process. Measurements can be performed within the following ranges : 5
2006 European Microwave Integrated Circuits Conference, 2006
This paper describes the noise and dynamic behavior of commercial MHEMTs characterized at extreme... more This paper describes the noise and dynamic behavior of commercial MHEMTs characterized at extreme low temperatures (78K and 173K). This is the first time, to our knowledge that the noise performance of metamorphic transistors has been investigated at such low temperatures in this frequency range (from 20 to 42 GHz). The low temperature DC characteristics of these transistors will be detailed after a brief introduction describing the main motivations of this study. Then, we will describe the dynamic behavior of such components under cryogenic conditions. Finally, noise measurements have also been performed from 20 to 42 GHz, using a non-uniform de-embedding technique. The noise parameters of the transistors, extracted from these measurements, will be presented versus the temperature. The results presented show an excellent cryogenic performance at transistor level (NF min of 0.3 dB and a g ass of 11.2 dB at 30 GHz and 78K) as well as a for a matched MMIC LNA (S21=27 dB, NF=0.4 dB at 30 GHz, at 78K).
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, 2006
We propose a new technology for high throughput bioMEMS based on a mixed technology polymer on si... more We propose a new technology for high throughput bioMEMS based on a mixed technology polymer on silicon. This technology is compatible with microelectronic processes, the electromagnetic propagation, the microfluidic circulation and the biological solutions. We use a new process and a new polymer deposited by a "cold" plasma technique. We can use it for a surface functionalization or for the encapsulation with plasma assisted wafer bonding.
Applied Physics Letters, 2014
Review of Scientific Instruments, 1990
Microwave, European Conference, 2004
Biosensors allow investigating complex media with many applications in biology, environment and f... more Biosensors allow investigating complex media with many applications in biology, environment and food processing. But new constraints in terms of sensitivity, real-time measurement and life time lead to new designs. Microfluidic and microsystems technologies can bring interesting solutions. We present here a new technological method for the microfabrication of such biosensors, called hioMEMS, based on the deposition of a polymer
Journal of Applied Physics, 2014
IEEE Electron Device Letters, 2000
In this letter, the microwave and noise performance of SiGe heterojunction bipolar transistors (H... more In this letter, the microwave and noise performance of SiGe heterojunction bipolar transistors (HBTs) has been characterized when cooling down the temperature. It was found that SiGe HBTs (fabricated in the framework of BiCMOS process) exhibit a maximum oscillation frequency fmax of about 292 GHz at 78 K, which represents an increase of about 30% with the value measured at
Journal de Physique IV (Proceedings), 2002
This paper deals with the determination of lambda and Zs of YBa2Cu3O{7-delta} thin films deposite... more This paper deals with the determination of lambda and Zs of YBa2Cu3O{7-delta} thin films deposited on MgO singlecrystals, from 36 GHz resonant conical cavity measurements performed in the 25 K to 300 K temperature range. The results are discussed in relation with DC electrical transport properties of the films and also with substrate preparation prior to YBaCuO deposition.