Zobrazeno 1 - 10
of 175
pro vyhledávání: '"Schaber, J."'
Autor:
Ma, S., Arnold, A., Michel, P., Murcek, P., Ryzhov, A., Schaber, J., Steinbruck, R., Evtushenko, P., Teichert, J., Hillert, W., Xiang, R., Zhu, J.
A superconducting radio-frequency (SRF) photo injector is in operation at the electron linac for beams with high brilliance and low emittance (ELBE) radiation center and generates continuous wave (CW) electron beams with high average current and high
Externí odkaz:
http://arxiv.org/abs/2207.09144
Akademický článek
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Autor:
Schaber, J., Xiang, R., Arnold, A., Ryzhov, A., Teichert, J., Murcek, P., Zwartek, P., Ma, S., Michel, P.
Publikováno v:
Publication date: 2023-02-23 Open accessDOI: 10.14278/rodare.2167Versions: 10.14278/rodare.2168License: CC-BY-4.0
This folder "XPS data" contains original and evaluated XPS data (.vms) on a p-GaN sample which was treated at various temperatures and underwent Ar+ irradiation. Furthermore, the folder "REM Images" contains REM images (.tif) and EDX data (.xlsx) on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4577::6c859959fcd4ff9d5f3197e0121f6d9b
https://www.hzdr.de/publications/Publ-36606-1
https://www.hzdr.de/publications/Publ-36606-1
Autor:
Xiang, R., Schaber, J., Arnold, A., Gatzmaga, S., Hoffmann, A., Michel, P., Murcek, P., Ryzhov, A., Teichert, J.
Publikováno v:
The 21st International Conference on Radio-Frequency Superconductivity (SRF 2023), 25.-30.06.2023, Grand Rapids, USA
As an excellent demonstration of SRF gun technology, HZDR's SRF Gun-II has been rountinely operated as an electron gun for the ELBE THz radiation and the ELBE neutron source since 2018, delivering CW beams with bunch charges of up to 300 pC at 50-100
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4577::c49f9c1c81abb785d375cda45e97579f
https://www.hzdr.de/publications/Publ-37193-1
https://www.hzdr.de/publications/Publ-37193-1
Autor:
Xiang, R., Arnold, A., Gatzmaga, S., Ma, S., Michel, P., Murcek, P., Niemczyk, R., Ryzhov, A., Schaber, J., Teichert, J.
Publikováno v:
14th International Particle Accelerator Conference (IPAC2023), 07.-12.05.2023, Venezia, Italy
In the high gradient rf photoinjectors, dark current is the “unwanted beam” not produced by the cathode drive laser. It is a part of field emission from the cavity and photocathode, which is accelerated through the gun. Dark current can cause bea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4577::e1d7ba1ce831c5dc71be83f7ae6da713
https://www.hzdr.de/publications/Publ-36974-1
https://www.hzdr.de/publications/Publ-36974-1
Autor:
Schaber, J., Xiang, R., Arnold, A., Ryzhov, A., Teichert, J., Murcek, P., Zwartek, P., Ma, S., Michel, P.
Publikováno v:
Surface and Interface Analysis 55(2023), 507-514
This work discusses the influence of different cleaning procedures on p-GaN grown on sap-phire by metal-organic chemical vapor deposition. The cleaned p-GaN surface was trans-ferred into an ultra-high vacuum chamber and studied by an X-ray photoelect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4577::b604140ee722e6783f2b3daa0392b8f8
https://www.hzdr.de/publications/Publ-36534-1
https://www.hzdr.de/publications/Publ-36534-1
The application of machine learning in high accuracy and efficiency slit-scan emittance measurements
Autor:
Ma, S., Arnold, A., Michel, P., Murcek, P., Ryzhov, A., Schaber, J., Steinbrück, R., Evtushenko, P., Teichert, Jan-Hendrik, Hillert, W., Xiang, R., Zhu, J.
A superconducting radio-frequency (SRF) photo injector is in operation at the electron linac for beams with high brilliance and low emittance (ELBE) radiation center and generates continuous wave (CW) electron beams with high average current and high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dfc08291fde618e7f79195c1ec99b3e
Autor:
Schaber, J., Xiang, R., Teichert, J., Arnold, A., Murcek, P., Zwartek, P., Ryzhov, A., Ma, S., Gatzmaga, S., Michel, P.
Publikováno v:
Publication date: 2022-10-27 Open accessDOI: 10.14278/rodare.1890Versions: 10.14278/rodare.1891License: CC-BY-4.0
This data repository contains analyzed data files of the shown figures. Please see the info.txt files in the individual directories and the original manuscript for guidance. Manuscript title: Influence of surface carbon on the performance of cesiated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4577::fcebb5e18ad48697fdf268dde619e6d3
https://www.hzdr.de/publications/Publ-36591-1
https://www.hzdr.de/publications/Publ-36591-1
Autor:
Xiang, R., Schaber, J.
Publikováno v:
Micromachines 13(2022), 1241
As well known, the quality of the photocathodes is essential for the stability and the reliability of photo injector operation. Especially for the superconducting ratio frequency photo injectors (SRF guns), the photocathode represents one of the most
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______4577::c99f4971611ebd3fc373aecb0b1a6582
https://www.hzdr.de/publications/Publ-34886-1
https://www.hzdr.de/publications/Publ-34886-1
Autor:
Xiang, R., Arnold, A., Ma, S., Michel, P., Murcek, P., Schaber, J., Teichert, J., Ryzhov, A., Zwartek, P.
Publikováno v:
13th Int. Particle Acc. Conf. (IPAC2022), 12.-17.06.2022, Bangkok, Thailand
The quality of the photocathodes is critical for the stability and reliability of the photoinjector’s operation. Thanks to the robust magnesium and Cs2Te photocathodes, SRFgun-II at HZDR has been proven to be a successful example in CW mode for hig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::729a9fdaee2d343b6851bb5cfc2ca981
https://www.hzdr.de/publications/Publ-35417-1
https://www.hzdr.de/publications/Publ-35417-1