Search Results - "Costea, Stefan"

InN Based Water Condensation Sensors on Glass and Flexible Plastic Substrates by Dumitru, Viorel, Costea, Stefan, Brezeanu, Mihai, Stan, George, Besleaga, Cristina, Galca, Aurelian, Ionescu, Gabriela, Ionescu, Octavian

“…In this paper, we report the realization and characterization of a condensation sensor based on indium nitride (InN) layers deposited by magnetron sputtering…”
Get full text

Correlation Between Fluctuating Electron Temperature and Fluctuating Space-Potential Challenges the Probe Determination of Turbulent Electric Field Spectrum by Yuan, Chengxun, Zhou, Chen, Demidov, Mikhail V., Gyergyek, Tomaz, Kovacic, Jernej, Koepke, Mark E., Kurlyandskaya, Iya P., Demidov, Vladimir I., Costea, Stefan, Zhou, Zhongxiang

“…The measurement of plasma potential and electric field by the traditional Langmuir probe method can contain a significant qualitative error due to a spurious…”
Get full text

On Stefania Golopentia and the Renewal of Activity at the Sociological School in Bucharest by Costea, Stefan

“…In this section, historian of sociology Stefan Costea as well as former students such as historian of literature Cornelia Stefanescu, novelists Maya Belciu and…”
Get full text

Plasma potential probes for hot plasmas: A review and some news by Ionita, Codrina, Schneider, Bernd Sebastian, Costea, Stefan, Vasilovici, Ovidiu, Kovačič, Jernej, Gyergyek, Tomaz, Naulin, Volker, Rasmussen, Jens Juul, Vianello, Nicola, Spolaore, Monica, Stärz, Ronald, Schrittwieser, Roman

“…Plasma probes are well established diagnostic tools. They are not complicated, relatively easy to construct and to handle. The easiest and fastest accessible…”
Get full text

Plasma potential probes for hot plasmas by Ionita, Codrina, Schneider, Bernd Sebastian, Costea, Stefan, Vasilovici, Ovidiu, Kovačič, Jernej, Gyergyek, Tomaz, Naulin, Volker, Jens Juul Rasmussen, Vianello, Nicola, Spolaore, Monica, Stärz, Ronald, Schrittwieser, Roman

“…Plasma probes are well established diagnostic tools. They are not complicated, relatively easy to construct and to handle. The easiest and fastest accessible…”
Get full text

Modeling of beta conductivity in tritiated amorphous silicon by Costea, Stefan Dan

“…For the first time a model was developed to explain the time evolution of the electrical conductivity in tritiated amorphous silicon samples using data…”
Get full text

DESPRE STEFANIA GOLOPENTIA SI RECUPERAREA ACTIVITATII SCOLII SOCIOLOGICE DE LA BUCURESTI by Costea, Stefan

“…In this section, historian of sociology Stefan Costea as well as former students such as historian of literature Cornelia Stefanescu, novelists Maya Belciu and…”
Get full text

Materials selection for gas sensing. An HSAB perspective by Serban, Bogdan-Catalin, Brezeanu, Mihai, Cobianu, Cornel, Costea, Stefan, Buiu, Octavian, Stratulat, Alisa, Varachiu, Nicolae

“…This paper introduces the Hard Soft Acid Base (HSAB) concept as a promising tool for the selection of gas sensing layers. Target gas molecule - sensitive layer…”
Get full text

Tritiation of amorphous and crystalline silicon using T 2 gas by Liu, Baojun, Chen, Kevin P., Kherani, Nazir P., Kosteski, Tome, Costea, Stefan, Zukotynski, Stefan, Antoniazzi, Armando B.

“…Incorporation of tritium in hydrogenated amorphous silicon ( a - Si : H ) and crystalline silicon ( c - Si ) at 250 ° C using tritium ( T 2 ) gas at pressures…”
Get full text

Optimizing BIT1, a Particle-in-Cell Monte Carlo Code, with OpenMP/OpenACC and GPU Acceleration by Williams, Jeremy J, Liu, Felix, Tskhakaya, David, Costea, Stefan, Podolnik, Ales, Markidis, Stefano

“…On the path toward developing the first fusion energy devices, plasma simulations have become indispensable tools for supporting the design and development of…”
Get full text

Leveraging HPC Profiling & Tracing Tools to Understand the Performance of Particle-in-Cell Monte Carlo Simulations by Williams, Jeremy J, Tskhakaya, David, Costea, Stefan, Peng, Ivy B, Garcia-Gasulla, Marta, Markidis, Stefano

“…Large-scale plasma simulations are critical for designing and developing next-generation fusion energy devices and modeling industrial plasmas. BIT1 is a…”
Get full text

A novel concept for low drift chemical sensing at micro and nano-scale by Cobianu, Cornel, Serban, Bogdan, Georgescu, Ion, Costea, Stefan, Bostan, Cazimir

“…It is the purpose of this paper to present a novel generic concept for low drift chemical sensing which is applicable at micro and nanometer scale, based on a…”
Get full text

Understanding the Impact of openPMD on BIT1, a Particle-in-Cell Monte Carlo Code, through Instrumentation, Monitoring, and In-Situ Analysis by Williams, Jeremy J, Costea, Stefan, Malony, Allen D, Tskhakaya, David, Kos, Leon, Podolnik, Ales, Hromadka, Jakub, Huck, Kevin, Laure, Erwin, Markidis, Stefano

“…Particle-in-Cell Monte Carlo simulations on large-scale systems play a fundamental role in understanding the complexities of plasma dynamics in fusion devices…”
Get full text

Extraordinary magnetoresistance in a 2-terminal structure by Letang, Jeremy, Lumetti, Stefano, Malago, Perla, Costea, Stefan Dan, Hauer, Wolfgang, Kosel, Jurgen, Ortner, Michael

“…Extraordinary magnetoresistance (EMR) is a phenomenon discovered by Solin et al. at the interface between a metal (high conductivity material) and a…”
Get full text

About Ştefania Golopenţia and the Recovery of the Activity of the Sociological School in Bucharest by ŞTEFAN COSTEA

“…In this section, historian of sociology Ştefan Costea as well as former students such as historian of literature Cornelia Ştefănescu, novelists Maya Belciu and…”
Get full text

Enabling High- Throughput Parallel I/O in Particle-in-Cell Monte Carlo Simulations with openPMD and Darshan I/O Monitoring by Williams, Jeremy J., Medeiros, Daniel, Costea, Stefan, Tskhakaya, David, Poeschel, Franz, Widera, Rene, Huebl, Axel, Klasky, Scott, Podhorszki, Norbert, Kos, Leon, Podolnik, Ales, Hromadka, Jakub, Narwal, Tapish, Steiniger, Klaus, Bussmann, Michael, Laure, Erwin, Markidis, Stefano

“…Large-scale HPC simulations of plasma dynamics in fusion devices require efficient parallel I/O to avoid slowing down the simulation and to enable the…”
Get full text

Enabling High-Throughput Parallel I/O in Particle-in-Cell Monte Carlo Simulations with openPMD and Darshan I/O Monitoring by Williams, Jeremy J, Medeiros, Daniel, Costea, Stefan, Tskhakaya, David, Poeschel, Franz, Widera, René, Huebl, Axel, Klasky, Scott, Podhorszki, Norbert, Kos, Leon, Podolnik, Ales, Hromadka, Jakub, Narwal, Tapish, Steiniger, Klaus, Bussmann, Michael, Laure, Erwin, Markidis, Stefano

“…Large-scale HPC simulations of plasma dynamics in fusion devices require efficient parallel I/O to avoid slowing down the simulation and to enable the…”
Get full text

Tritiation of amorphous and crystalline silicon using T2 gas by Liu, Baojun, Chen, Kevin P., Kherani, Nazir P., Kosteski, Tome, Costea, Stefan, Zukotynski, Stefan, Antoniazzi, Armando B.

“…Incorporation of tritium in hydrogenated amorphous silicon (a-Si:H) and crystalline silicon (c-Si) at 250°C using tritium (T2) gas at pressures of up to 120atm…”
Get full text

Understanding Large-Scale Plasma Simulation Challenges for Fusion Energy on Supercomputers by Williams, Jeremy J, Bhole, Ashish, Kierans, Dylan, Hoelzl, Matthias, Holod, Ihor, Tang, Weikang, Tskhakaya, David, Costea, Stefan, Kos, Leon, Podolnik, Ales, Hromadka, Jakub, Team, JOREK, Laure, Erwin, Markidis, Stefano

“…Understanding plasma instabilities is essential for achieving sustainable fusion energy, with large-scale plasma simulations playing a crucial role in both the…”
Get full text

The time evolution of the density of states in tritiated hydrogenated amorphous silicon by Costea, Stefan Dan

“…Tritiated hydrogenated amorphous silicon (a-Si:H:T) thin films were deposited on crystalline silicon and high resistivity glass substrates. The time evolution…”
Get full text