Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Gabriel Marcus"'
Autor:
Lindsey J. Gray, Kadaba Swathi, Dundappa Mumbaraddi, Timothy W. Carlson, Gabriel Marcus, David L. Carroll
Publikováno v:
APL Materials, Vol 12, Iss 7, Pp 071112-071112-7 (2024)
In this work, we present a solvothermal, in situ doping methodology for synthesizing crystalline doped 2D bismuth telluride (Bi2Te3) nanoplates. Isoelectronic antimony (Sb) substitution at the bismuth (Bi) site is chosen to minimize the lattice strai
Externí odkaz:
https://doaj.org/article/48dbab5e4a6c4509b2ca2bd7bb3c9d8a
Autor:
Rachel A. Margraf, James P. MacArthur, Gabriel Marcus, Heinz-Dieter Nuhn, Alberto Lutman, Aliaksei Halavanau, Zhen Zhang, Zhirong Huang
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 3, p 030702 (2024)
Electrons in an x-ray free electron laser (XFEL) develop periodic density fluctuations, known as microbunches, which enable the exponential gain of x-ray power in an XFEL. When an electron beam microbunched at a hard x-ray wavelength is kicked, micro
Externí odkaz:
https://doaj.org/article/ba97403631a343d8ba5a654f3850f98c
Publikováno v:
Physical Review Research, Vol 5, Iss 4, p 043254 (2023)
High-gain free-electron lasers (FELs) are becoming important light sources at short wavelengths such as the EUV and x-ray regimes. A particularly promising concept is the regenerative amplifier FEL (RAFEL), which can greatly increase the brightness a
Externí odkaz:
https://doaj.org/article/94c6b98b78224e9cae58f682f7349a15
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
The study of moiré superlattices (MSLs) has surged in recent years, as they have been found to host several emergent quantum phenomena associated with high electron correlations. In this study, we put forward a viable chemical route to the formation
Externí odkaz:
https://doaj.org/article/b9ee237e8cfc4dd79adda8cbc23afd94
Publikováno v:
Physical Review Accelerators and Beams, Vol 25, Iss 8, p 080701 (2022)
We present a method to actively outcouple radiation from an x-ray regenerative amplifier. The method uses an undulator within a cavity formed by the diamond mirror and is driven by a high repetition rate linac to build up a high power, narrow bandwid
Externí odkaz:
https://doaj.org/article/2509ef2a80d9478786b268bafefad0ac
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 1, p 010704 (2020)
Self-seeding is one of the most promising methods to improve the longitudinal coherence and spectral purity of free-electron lasers (FELs). Measurements of the multishot-averaged, soft x-ray self-seeding spectrum at the Linac Coherent Light Source (L
Externí odkaz:
https://doaj.org/article/826e2635b9734575a3e76dba9e7d2029
Autor:
Gabriel Marcus, William M. Fawley, Dorian Bohler, Yuantao Ding, Yiping Feng, Erik Hemsing, Zhirong Huang, Jacek Krzywinski, Alberto Lutman, Daniel Ratner
Publikováno v:
Physical Review Accelerators and Beams, Vol 22, Iss 8, p 080702 (2019)
Measurements of the soft x-ray, self-seeding spectrum at the Linac Coherent Light Source (LCLS) free-electron laser generally display a pedestal-like distribution around the central seeded wavelength. This pedestal limits the spectral purity and can
Externí odkaz:
https://doaj.org/article/25ccebd04b744b55b0d7430a1ba39201
Publikováno v:
Physical Review Accelerators and Beams, Vol 19, Iss 8, p 080702 (2016)
We propose a novel scheme to generate attosecond soft x rays in a self-seeded free-electron laser (FEL) suitable for enabling attosecond spectroscopic investigations. A time-energy chirped electron bunch with additional sinusoidal energy modulation i
Externí odkaz:
https://doaj.org/article/44e322457ca24439ba24e885705b4e6f
Autor:
Zhen Zhang, Ryan Lindberg, William M. Fawley, Zhirong Huang, Jacek Krzywinski, Alberto Lutman, Gabriel Marcus, Agostino Marinelli
Publikováno v:
Physical Review Accelerators and Beams, Vol 19, Iss 5, p 050701 (2016)
Measurements of the multishot-averaged, soft x-ray, self-seeding spectrum at the LCLS free-electron laser often have a pedestal-like distribution around the seeded wavelength, which limits the spectral purity and can negatively affect some user appli
Externí odkaz:
https://doaj.org/article/4ae0fd9b394d4b20910ab4ffd571b2b7
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