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5th International Workshop on Mechanisms of Vacuum Arcs (MeVArc 2015)

from Tuesday, September 1, 2015 (8:30 AM) to Saturday, September 5, 2015 (4:00 PM)
Other Institutes

        : Sessions
    /     : Talks
        : Breaks
Sep 1, 2015
Sep 2, 2015
Sep 3, 2015
Sep 4, 2015
Sep 5, 2015
AM
8:30 AM --- Registration ---
9:00 AM
Mini-school (until 3:00 PM) (E207)
9:00 AM Basics of Molecular Dynamics simulations - Kai Nordlund (University of Helsinki)   (E207)
10:30 AM --- Coffee break ---
11:00 AM Simulations of dislocations and plastic processes in ductile material - Dr Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))   (E207)
12:30 PM --- Lunch ---
1:30 PM Particle-in-cell (PIC) simulation methods - Matthew Hopkins (Sandia National Laboratories)   (E207)
8:50 AM Welcome! - Flyura Djurabekova (University of Helsinki)   ()
9:00 AM
Vacuum breakdown phenomena in various applications (I) - Kai Nordlund (University of Helsinki) (until 10:30 AM) ()
9:00 AM Directions in High-Gradient Radio-Frequency Applications - Walter Wuensch (CERN)   ()
9:30 AM High-gradient accelerating structure at Tsinghua University - Jiaru Shi (Tsinghua University)   ()
10:00 AM Voltage Breakdown initiated by electrostatic microdischarges of metal-vacuum interface. A model proposal. - Antonio De Lorenzi   ()
10:30 AM --- Morning coffee break ---
11:00 AM
Vacuum breakdown phenomena in various applications (II) - Jiaru Shi (Tsinghua University) (until 12:30 PM) ()
11:00 AM Vacuum interrupters - Zhenxing Wang   ()
11:30 AM Study of the Conditioning of RF Structures - Walter Wuensch (CERN)   ()
12:00 PM Breakdown currents from CLIC crab cavity commissioning - Marek Jacewicz (Uppsala University (SE))   ()
9:00 AM
Breakdown studies - Flyura Djurabekova (University of Helsinki) (until 10:30 AM) ()
9:00 AM Conditioning of large-area vacuum breakdown systems - Anders Jaakko Korsback (University of Helsinki (FI)) Walter Wuensch (CERN)   ()
9:20 AM Breakdown localization - Robin Rajamaki (Helsinki University of Technology (FI))   ()
9:40 AM Stochastic mechanisms of vacuum arc breakdowns - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))   ()
10:10 AM High field pre-breakdown acoustic measurements - Itay Nachshon   ()
10:30 AM --- Morning coffee break ---
11:00 AM
Pre- and post-breakdown surface phenomena - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL)) (until 12:30 PM) ()
11:00 AM Scanning Electron Microscopy tools for material characterization - Focus on EBSD for characterisation of dislocation structures - Floriane Leaux (CERN)   ()
11:30 AM Microstructural features of pre- and post-BD and post-FE tested Cu samples - Inna Popov (T)   ()
11:50 AM SEM Observations of Pre-breakdown Structures on OFHC Cu Surfaces - Ayelet Yashar   ()
12:10 PM SEM images review on CLIC structures after testing - Ana Teresa Perez Fontenla (CERN)   ()
9:00 AM
Studies of plasma - Wilfrid Farabolini (CEA DAPNIA) (until 10:30 AM) ()
9:00 AM Experimental Study of Vacuum Arcs with Refractory Anodes - Isak Beilis   ()
9:30 AM Advances in simulation of plasma discharges at Tech-X - Jonathan Smith (Tech-X UK Ltd)   ()
10:00 AM Calibration of Dynamic Vacuum Meter - Antti Meriläinen   ()
10:30 AM --- Morning coffee break ---
11:00 AM
Related topics - Ville Jansson (University of Helsinki) (until 12:30 PM) ()
11:00 AM Surface Flashover in Fast Pulsed Kicker Systems - Hugo Alistair Day (CERN)   ()
11:30 AM Hydrogen seperation in a capillary discharge plasma injector - Ilan BE'ERY   ()
12:00 PM High field induced deposition of nanogranular materials for electron sources - Hans Koops   ()
10:00 AM --- Hike ---
PM
3:00 PM --- Bus leaves for airport ---
7:00 PM --- Welcome reception ---
12:30 PM --- Lunch ---
2:00 PM
Field emission experiments and theory (I) - Walter Wuensch (CERN) (until 3:30 PM) ()
2:00 PM RF Accelerating Cavity for SuperKEKB Damping Ring and its Breakdown Study - Tetsuo Abe (High Energy Accelerator Research Organization (KEK))   ()
2:30 PM Field emission study at Argonne Wakefield Accelerator facility - Jiahang Shao   ()
3:00 PM Electroformation phenomena driven by the electrical Gibbs function - Richard Forbes   ()
3:30 PM --- Coffee break ---
4:00 PM
Field emission experiments and theory (II) - Stefan Parviainen (Helsinki Institute of Physics) (until 5:50 PM) ()
4:00 PM Photoemission from metal nanotips studied and controlled with femtosecond laser pulses - Michael Förster   ()
4:30 PM Modern theory of field electron emission - Andreas KYRITSAKIS   ()
5:00 PM Status of parasitic FE from metallic surfaces and potential destruction of emitters by microdischarges and ion beam impact - Pavel Serbun   ()
5:20 PM Participation of IAP of Ukraine in the understanding of breakdown phenomena - Iaroslava Profatilova   ()
12:30 PM --- Lunch ---
2:00 PM
Mechanisms of triggering vacuum plasmas - Matthew Hopkins (Sandia National Laboratories) (until 3:20 PM) ()
2:00 PM Multiscale modeling of vacuum arcs - Flyura Djurabekova (University of Helsinki)   ()
2:20 PM Thermal, electrical and mechanical simulations of field emitters using Finite Element Method - Vahur Zadin (University of Tartu)   ()
2:40 PM Simulation of plastic deformation of surfaces under high electric field - Simon Vigonski (University of Tartu)   ()
3:00 PM Atomistic modeling of surface damage by a breakdown event - Zhenxing Wang   ()
3:20 PM --- Afternoon coffee break ---
3:50 PM
Field emission effects in atomistic simulation - Vahur Zadin (University of Tartu) (until 5:30 PM) ()
3:50 PM The metal surface evolution under a high electric field - Ville Jansson (University of Helsinki)   ()
4:10 PM Stability of thin nanotips under high electric field - Mihkel Veske (University of Helsinki)   ()
4:30 PM Modification of field emitters by electromigration - Stefan Parviainen (Helsinki Institute of Physics)   ()
4:50 PM Parameterization of metal surfaces for KMC - Ekaterina Baibuz   ()
5:10 PM FN and GTF implemented in FEM and MD models - Kristjan Eimre (Nat. Inst. of Chem.Phys. & Biophys. (EE))   ()
7:00 PM --- Conference dinner ---
12:30 PM Closing remarks   ()
1:30 PM --- Workshop outing (Gold prospectors museum) ---
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