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Article ; Online: Fast-timing microchannel plate photodetectors: Design, fabrication, and characterization.

Xie, Junqi / Demarteau, Marcel / May, Edward / Wagner, Robert / Xia, Lei

2019 Volume 90, Issue 4, Page(s) 43109

Abstract: We report a detailed design, fabrication, and characterization of 6 × 6 ... ...

Abstract	We report a detailed design, fabrication, and characterization of 6 × 6 cm
Language	English
Publishing date	2019-05-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	209865-9
ISSN	1089-7623 ; 0034-6748
ISSN (online)	1089-7623
ISSN	0034-6748
DOI	10.1063/1.5063825
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Correction to Ambipolar Phosphorene Field Effect Transistor.

Das, Saptarshi / Demarteau, Marcel / Roelofs, Andreas

ACS nano

2016 Volume 10, Issue 2, Page(s) 2984

Language	English
Publishing date	2016-02-23
Publishing country	United States
Document type	Published Erratum
ISSN	1936-086X
ISSN (online)	1936-086X
DOI	10.1021/acsnano.6b00680
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Ambipolar phosphorene field effect transistor.

Das, Saptarshi / Demarteau, Marcel / Roelofs, Andreas

ACS nano

2014 Volume 8, Issue 11, Page(s) 11730–11738

Abstract: In this article, we demonstrate enhanced electron and hole transport in few-layer phosphorene field effect transistors (FETs) using titanium as the source/drain contact electrode and 20 nm SiO2 as the back gate dielectric. The field effect mobility ... ...

Abstract	In this article, we demonstrate enhanced electron and hole transport in few-layer phosphorene field effect transistors (FETs) using titanium as the source/drain contact electrode and 20 nm SiO2 as the back gate dielectric. The field effect mobility values were extracted to be ∼38 cm(2)/Vs for electrons and ∼172 cm(2)/Vs for the holes. On the basis of our experimental data, we also comprehensively discuss how the contact resistances arising due to the Schottky barriers at the source and the drain end effect the different regime of the device characteristics and ultimately limit the ON state performance. We also propose and implement a novel technique for extracting the transport gap as well as the Schottky barrier height at the metal-phosphorene contact interface from the ambipolar transfer characteristics of the phosphorene FETs. This robust technique is applicable to any ultrathin body semiconductor which demonstrates symmetric ambipolar conduction. Finally, we demonstrate a high gain, high noise margin, chemical doping free, and fully complementary logic inverter based on ambipolar phosphorene FETs.
Language	English
Publishing date	2014-11-25
Publishing country	United States
Document type	Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
ISSN	1936-086X
ISSN (online)	1936-086X
DOI	10.1021/nn505868h
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Het Einde van het Begin

Demarteau, Marcel

(VOR Natuurwetenschappen, Wiskunde en Informatica)

2002

Institution	ebrary, Inc
Author's details	Marcel Demarteau
Series title	VOR Natuurwetenschappen, Wiskunde en Informatica
Keywords	Particles (Nuclear physics)
Language	Dutch
Size	Online-Ressource (25 p), ill, 21 cm
Publisher	Vossiuspers UvA
Publishing place	Amsterdam
Document type	Book ; Online
Note	Includes bibliographical references
ISBN	9056292331 ; 9789048506804 ; 9789056292331 ; 9048506808
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Article ; Online: Correction to Tunable Transport Gap in Phosphorene.

Das, Saptarshi / Zhang, Wei / Demarteau, Marcel / Hoffmann, Axel / Dubey, Madan / Roelofs, Andreas

Nano letters

2016 Volume 16, Issue 3, Page(s) 2122

Language	English
Publishing date	2016-02-02
Publishing country	United States
Document type	Published Erratum
ISSN	1530-6992
ISSN (online)	1530-6992
DOI	10.1021/acs.nanolett.6b00357
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Article ; Online: Tunable transport gap in phosphorene.

Das, Saptarshi / Zhang, Wei / Demarteau, Marcel / Hoffmann, Axel / Dubey, Madan / Roelofs, Andreas

Nano letters

2014 Volume 14, Issue 10, Page(s) 5733–5739

Abstract: In this article, we experimentally demonstrate that the transport gap of phosphorene can be tuned monotonically from ∼0.3 to ∼1.0 eV when the flake thickness is scaled down from bulk to a single layer. As a consequence, the ON current, the OFF current, ... ...

Abstract	In this article, we experimentally demonstrate that the transport gap of phosphorene can be tuned monotonically from ∼0.3 to ∼1.0 eV when the flake thickness is scaled down from bulk to a single layer. As a consequence, the ON current, the OFF current, and the current ON/OFF ratios of phosphorene field effect transistors (FETs) were found to be significantly impacted by the layer thickness. The transport gap was determined from the transfer characteristics of phosphorene FETs using a robust technique that has not been reported before. The detailed mathematical model is also provided. By scaling the thickness of the gate oxide, we were also able to demonstrate enhanced ambipolar conduction in monolayer and few layer phosphorene FETs. The asymmetry of the electron and the hole current was found to be dependent on the layer thickness that can be explained by dynamic changes of the metal Fermi level with the energy band of phosphorene depending on the layer number. We also extracted the Schottky barrier heights for both the electron and the hole injection as a function of the layer thickness. Finally, we discuss the dependence of field effect hole mobility of phosphorene on temperature and carrier concentration.
MeSH term(s)	Electrons ; Equipment Design ; Nanostructures/chemistry ; Phosphorus/chemistry ; Transistors, Electronic
Chemical Substances	Phosphorus (27YLU75U4W)
Language	English
Publishing date	2014-08-13
Publishing country	United States
Document type	Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
ISSN	1530-6992
ISSN (online)	1530-6992
DOI	10.1021/nl5025535
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Characteristics of fast timing MCP-PMTs in magnetic fields

Hattawy, Mohammad / Xie, Junqi / Chiu, Mickey / Demarteau, Marcel / Hafidi, Kawtar / May, Edward / Repond, Jose / Wagner, Robert / Xia, Lei / Zorn, Carl

2018

Abstract: The motivation of this paper is to explore the parameters that affect the performance of Microchannel Plate Photomultiplier Tubes (MCP-PMTs) in magnetic fields with the goal to guide their design to achieve a high magnetic field tolerance. MCP-PMTs based ...

Abstract	The motivation of this paper is to explore the parameters that affect the performance of Microchannel Plate Photomultiplier Tubes (MCP-PMTs) in magnetic fields with the goal to guide their design to achieve a high magnetic field tolerance. MCP-PMTs based on two different designs were tested.The magnetic field tolerance of MCP-PMT based on a design providing independently biased voltages showed a significant improvement (up to 0.7 T) compared to the one utilizing an internal resistor chain design (up to 0.1 T), indicating the importance of individually adjustable voltages. The effects of the rotation angle of the MCP-PMT relative to the magnetic field direction and of the bias voltage between the photocathode and the top MCP were extensively investigated using the MCP-PMT based on the independently biased voltage design. It was found that the signal amplitude of the MCP-PMT exhibits an enhanced performance at a tilt angle of $\pm$8$^{\circ}$, due to the 8$^{\circ}$ bias angle of the MCP pores. The maximum signal amplitude was observed at different bias voltages depending on the magnetic field strength.
Keywords	Physics - Instrumentation and Detectors
Subject code	621
Publishing date	2018-08-23
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: $|\Delta \mathcal{B}| =2$

A State of the Field, and Looking Forward--A brief status report of theoretical and experimental physics opportunities

2020

Abstract: The origin of the matter-antimatter asymmetry apparently obligates the laws of physics to include some mechanism of baryon number ($\mathcal{B}$) violation. Searches for interactions violating $\mathcal{B}$ and baryon-minus-lepton number $\mathcal{(B-L)}$ ...

Abstract	The origin of the matter-antimatter asymmetry apparently obligates the laws of physics to include some mechanism of baryon number ($\mathcal{B}$) violation. Searches for interactions violating $\mathcal{B}$ and baryon-minus-lepton number $\mathcal{(B-L)}$ represent a rich and underutilized opportunity. These are complementary to the existing, broad program of searches for $\mathcal{L}$-violating modes such as neutrinoless double $\beta$-decay which could provide deeper understandings of the plausibility of leptogenesis, or $\mathcal{B}$-violating, $\mathcal{(B-L)}$-conserving processes such as proton decay. In particular, a low-scale, post-sphaleron violation mechanism of $\mathcal{(B-L)}$ could provide a \textit{testable} form of baryogenesis. Though theoretically compelling, searches for such $\mathcal{(B-L)}$-violating processes like $\Delta\mathcal{B}=2$ dinucleon decay and $n\rightarrow\bar{n}$ remain relatively underexplored experimentally compared to other rare processes. By taking advantage of upcoming facilities such as the Deep Underground Neutrino Experiment and the European Spallation Source, this gap can be addressed with new intranuclear and free searches for neutron transformations with very high sensitivity, perhaps greater than three orders of magnitude higher than previous experimental searches. This proceedings reports on recent theoretical and experimental advances and sensitivities of next-generation searches for neutron transformations were detailed as part of the Amherst Center for Fundamental Interactions Workshop, "Theoretical Innovations for Future Experiments Regarding Baryon Number Violation," directly coordinated with the Rare Processes and Precision Measurements Frontier. Comment: Amherst Center for Fundamental Interactions workshop proceedings with short and long abstracts
Keywords	High Energy Physics - Phenomenology ; High Energy Physics - Experiment ; High Energy Physics - Theory ; Nuclear Theory
Subject code	612 ; 530
Publishing date	2020-10-05
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Cold atoms in space

Alonso, Iván / Alpigiani, Cristiano / Altschul, Brett / Araújo, Henrique / Arduini, Gianluigi / Arlt, Jan / Badurina, Leonardo / Balaž, Antun / Bandarupally, Satvika / Barish, Barry C. / Barone, Michele / Reguzzoni, Mirko / Richaud, Andrea / Riou, Isabelle / Rothacher, Markus / Roura, Albert / Ruschhaupt, Andreas / Sabulsky, Dylan O. / Safronova, Marianna /

Saltas, Ippocratis D. / Bernabeu, Jose / Haehnelt, Martin / Salvi, Leonardo / Sameed, Muhammed / Saurabh, Pandey / Schäffer, Stefan / Schiller, Stephan / Schilling, Manuel / Schkolnik, Vladimir / Schlippert, Dennis / Schmidt, Piet O. / Schnatz, Harald / Hanımeli, Ekim T. / Bertoldi, Andrea / Schneider, Jean / Schneider, Ulrich / Schreck, Florian / Schubert, Christian / Shayeghi, Armin / Sherrill, Nathaniel / Shipsey, Ian / Signorini, Carla / Singh, Rajeev / Hawkins, Leonie / Singh, Yeshpal / Bingham, Robert / Skordis, Constantinos / Smerzi, Augusto / Sopuerta, Carlos F. / Sorrentino, Fiodor / Sphicas, Paraskevas / Stadnik, Yevgeny V. / Stefanescu, Petruta / Tarallo, Marco G. / Hees, Aurélien / Tentindo, Silvia / Tino, Guglielmo M. / Bize, Sébastien / Tinsley, Jonathan N. / Tornatore, Vincenza / Treutlein, Philipp / Trombettoni, Andrea / Tsai, Yu-Dai / Tuckey, Philip / Uchida, Melissa A. / Henderson, Victoria A. / Valenzuela, Tristan / Van Den Bossche, Mathias / Vaskonen, Ville / Blas, Diego / Verma, Gunjan / Vetrano, Flavio / Vogt, Christian / von Klitzing, Wolf / Waller, Pierre / Walser, Reinhold / Herr, Waldemar / Wille, Eric / Williams, Jason / Windpassinger, Patrick / Wittrock, Ulrich / Bongs, Kai / Wolf, Peter / Woltmann, Marian / Wörner, Lisa / Xuereb, André / Yahia, Mohamed / Herrmann, Sven / Yazgan, Efe / Yu, Nan / Zahzam, Nassim / Zambrini Cruzeiro, Emmanuel / Zhan, Mingsheng / Bouyer, Philippe / Zou, Xinhao / Zupan, Jure / Zupanič, Erik / Braitenberg, Carla / Hird, Thomas / Brand, Christian / Braxmaier, Claus / Bresson, Alexandre / Buchmueller, Oliver / Budker, Dmitry / Bugalho, Luís / Burdin, Sergey / Cacciapuoti, Luigi / Callegari, Simone / Calmet, Xavier / Hobson, Richard / Calonico, Davide / Canuel, Benjamin / Caramete, Laurentiu-Ioan / Carraz, Olivier / Cassettari, Donatella / Chakraborty, Pratik / Chattopadhyay, Swapan / Chauhan, Upasna / Chen, Xuzong / Chen, Yu-Ao / Hock, Vincent / Chiofalo, Maria Luisa / Coleman, Jonathon / Corgier, Robin / Cotter, J. P. / Michael Cruise, A. / Cui, Yanou / Davies, Gavin / De Roeck, Albert / Demarteau, Marcel / Derevianko, Andrei / Barsanti, Michele / Di Clemente, Marco / Djordjevic, Goran S. / Donadi, Sandro / Doré, Olivier / Dornan, Peter / Doser, Michael / Drougakis, Giannis / Dunningham, Jacob / Easo, Sajan / Eby, Joshua / Hogan, Jason M. / Elertas, Gedminas / Ellis, John / Evans, David / Examilioti, Pandora / Fadeev, Pavel / Fanì, Mattia / Fassi, Farida / Fattori, Marco / Fedderke, Michael A. / Felea, Daniel / Holst, Bodil / Feng, Chen-Hao / Ferreras, Jorge / Flack, Robert / Flambaum, Victor V. / Forsberg, René / Fromhold, Mark / Gaaloul, Naceur / Garraway, Barry M. / Georgousi, Maria / Geraci, Andrew / Holynski, Michael / Gibble, Kurt / Gibson, Valerie / Gill, Patrick / Giudice, Gian F. / Goldwin, Jon / Gould, Oliver / Grachov, Oleg / Graham, Peter W. / Grasso, Dario / Griffin, Paul F. / Israelsson, Ulf / Guerlin, Christine / Gündoğan, Mustafa / Gupta, Ratnesh K. / Jeglič, Peter / Jetzer, Philippe / Juzeliūnas, Gediminas / Kaltenbaek, Rainer / Kamenik, Jernej F. / Kehagias, Alex / Bass, Steven / Kirova, Teodora / Kiss-Toth, Marton / Koke, Sebastian / Kolkowitz, Shimon / Kornakov, Georgy / Kovachy, Tim / Krutzik, Markus / Kumar, Mukesh / Kumar, Pradeep / Lämmerzahl, Claus / Bassi, Angelo / Landsberg, Greg / Le Poncin-Lafitte, Christophe / Leibrandt, David R. / Lévèque, Thomas / Lewicki, Marek / Li, Rui / Lipniacka, Anna / Lisdat, Christian / Liu, Mia / Lopez-Gonzalez, J. L. / Battelier, Baptiste / Loriani, Sina / Louko, Jorma / Luciano, Giuseppe Gaetano / Lundblad, Nathan / Maddox, Steve / Mahmoud, M. A. / Maleknejad, Azadeh / March-Russell, John / Massonnet, Didier / McCabe, Christopher / Baynham, Charles F. A. / Meister, Matthias / Mežnaršič, Tadej / Micalizio, Salvatore / Migliaccio, Federica / Millington, Peter / Milosevic, Milan / Mitchell, Jeremiah / Morley, Gavin W. / Müller, Jürgen / Murphy, Eamonn / Beaufils, Quentin / Müstecaplıoğlu, Özgür E. / O’Shea, Val / Oi, Daniel K. L. / Olson, Judith / Pal, Debapriya / Papazoglou, Dimitris G. / Pasatembou, Elizabeth / Paternostro, Mauro / Pawlowski, Krzysztof / Pelucchi, Emanuele / Belić, Aleksandar / Pereira dos Santos, Franck / Peters, Achim / Pikovski, Igor / Pilaftsis, Apostolos / Pinto, Alexandra / Prevedelli, Marco / Puthiya-Veettil, Vishnupriya / Quenby, John / Rafelski, Johann / Rasel, Ernst M. / Bergé, Joel / Ravensbergen, Cornelis

EPJ Quantum Technology

community workshop summary and proposed road-map

2022 Volume 9

Abstract: We summarise the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed ... ...

Abstract	We summarise the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. Prospective applications include metrology, geodesy and measurement of terrestrial mass change due to, e.g., climate change, and fundamental science experiments such as tests of the equivalence principle, searches for dark matter, measurements of gravitational waves and tests of quantum mechanics. We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space. Finally, we present a first draft of a possible road-map for achieving these goals, that we propose for discussion by the interested cold atom, Earth Observation, fundamental physics and other prospective scientific user communities, together with the European Space Agency (ESA) and national space and research funding agencies. publishedVersion
Keywords	Climate change ; Earth (planet) ; Gravimeters ; Gravitation ; Gravity waves ; Interferometers ; Maps ; Quantum theory ; Atom interferometer ; Cold atoms ; Mass change ; Measurements of ; Prospective applications ; Prospectives ; Roadmap ; Science experiments ; Space community ; Virtual community ; Virtual reality ; 530
Language	English
Publisher	Berlin
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Cold atoms in space

EPJ Quantum Technology

community workshop summary and proposed road-map

2022 Volume 9

Abstract	We summarise the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. Prospective applications include metrology, geodesy and measurement of terrestrial mass change due to, e.g., climate change, and fundamental science experiments such as tests of the equivalence principle, searches for dark matter, measurements of gravitational waves and tests of quantum mechanics. We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space. Finally, we present a first draft of a possible road-map for achieving these goals, that we propose for discussion by the interested cold atom, Earth Observation, fundamental physics and other prospective scientific user communities, together with the European Space Agency (ESA) and national space and research funding agencies. publishedVersion
Keywords	Climate change ; Earth (planet) ; Gravimeters ; Gravitation ; Gravity waves ; Interferometers ; Maps ; Quantum theory ; Atom interferometer ; Cold atoms ; Mass change ; Measurements of ; Prospective applications ; Prospectives ; Roadmap ; Science experiments ; Space community ; Virtual community ; Virtual reality ; 530
Language	English
Publisher	Berlin
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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