Journal articles on the topic 'Core-hole-clock'

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1

Feulner, P., F. Blobner, J. Bauer, R. Han, A. Kim, T. Sundermann, N. Müller, U. Heinzmann, and W. Wurth. "Ways to Spin Resolved Core-Hole-Clock Measurements." e-Journal of Surface Science and Nanotechnology 13 (2015): 317–23. http://dx.doi.org/10.1380/ejssnt.2015.317.

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2

Garcia-Basabe, Yunier, Denis Ceolin, Aldo J. G. Zarbin, Lucimara S. Roman, and Maria Luiza M. Rocco. "Ultrafast interface charge transfer dynamics on P3HT/MWCNT nanocomposites probed by resonant Auger spectroscopy." RSC Advances 8, no. 46 (2018): 26416–22. http://dx.doi.org/10.1039/c8ra04629h.

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3

Piancastelli, Maria Novella, Gildas Goldsztejn, Tatiana Marchenko, Renaud Guillemin, Rajesh K. Kushawaha, Loïc Journel, Stéphane Carniato, Jean-Pascal Rueff, Denis Céolin, and Marc Simon. "Core-hole-clock spectroscopies in the tender x-ray domain." Journal of Physics B: Atomic, Molecular and Optical Physics 47, no. 12 (June 10, 2014): 124031. http://dx.doi.org/10.1088/0953-4075/47/12/124031.

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4

Oropeza, Freddy E., Mariam Barawi, Elena Alfonso-González, Victor A. de la Peña O’Shea, Juan F. Trigo, Cecilia Guillén, Fernan Saiz, and Ignacio J. Villar-Garcia. "Understanding ultrafast charge transfer processes in SnS and SnS2: using the core hole clock method to measure attosecond orbital-dependent electron delocalisation in semiconducting layered materials." Journal of Materials Chemistry C 9, no. 35 (2021): 11859–72. http://dx.doi.org/10.1039/d1tc02866a.

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5

Wang, Li, Wei Chen, and Andrew Thye Shen Wee. "Charge transfer across the molecule/metal interface using the core hole clock technique." Surface Science Reports 63, no. 11 (November 2008): 465–86. http://dx.doi.org/10.1016/j.surfrep.2008.06.001.

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6

Zharnikov, Michael. "Probing charge transfer dynamics in self-assembled monolayers by core hole clock approach." Journal of Electron Spectroscopy and Related Phenomena 200 (April 2015): 160–73. http://dx.doi.org/10.1016/j.elspec.2015.05.022.

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7

Sundermann, T., N. Müller, U. Heinzmann, W. Wurth, J. Bauer, R. Han, A. Kim, D. Menzel, and P. Feulner. "A universal approach to spin selective core-hole-clock measurement demonstrated for Ar/Co(0001)." Surface Science 643 (January 2016): 190–96. http://dx.doi.org/10.1016/j.susc.2015.08.031.

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8

Borges, B. G. A. L., L. S. Roman, and M. L. M. Rocco. "Femtosecond and Attosecond Electron Transfer Dynamics of Semiconductors Probed by the Core-Hole Clock Spectroscopy." Topics in Catalysis 62, no. 12-16 (July 5, 2019): 1004–10. http://dx.doi.org/10.1007/s11244-019-01189-8.

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9

Cao, Liang, Xing-Yu Gao, Andrew T. S. Wee, and Dong-Chen Qi. "Quantitative Femtosecond Charge Transfer Dynamics at Organic/Electrode Interfaces Studied by Core-Hole Clock Spectroscopy." Advanced Materials 26, no. 46 (April 1, 2014): 7880–88. http://dx.doi.org/10.1002/adma.201305414.

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10

Li, Siqi, Taran Driver, Philipp Rosenberger, Elio G. Champenois, Joseph Duris, Andre Al-Haddad, Vitali Averbukh, et al. "Attosecond coherent electron motion in Auger-Meitner decay." Science 375, no. 6578 (January 21, 2022): 285–90. http://dx.doi.org/10.1126/science.abj2096.

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In quantum systems, coherent superpositions of electronic states evolve on ultrafast time scales (few femtoseconds to attoseconds; 1 attosecond = 0.001 femtoseconds = 10 −18 seconds), leading to a time-dependent charge density. Here we performed time-resolved measurements using attosecond soft x-ray pulses produced by a free-electron laser, to track the evolution of a coherent core-hole excitation in nitric oxide. Using an additional circularly polarized infrared laser pulse, we created a clock to time-resolve the electron dynamics and demonstrated control of the coherent electron motion by tuning the photon energy of the x-ray pulse. Core-excited states offer a fundamental test bed for studying coherent electron dynamics in highly excited and strongly correlated matter.
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11

Garcia-Basabe, Yunier, Alexandre R. Rocha, Flávio C. Vicentin, Cesar E. P. Villegas, Regiane Nascimento, Eric C. Romani, Emerson C. de Oliveira, et al. "Ultrafast charge transfer dynamics pathways in two-dimensional MoS2–graphene heterostructures: a core-hole clock approach." Physical Chemistry Chemical Physics 19, no. 44 (2017): 29954–62. http://dx.doi.org/10.1039/c7cp06283d.

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12

Cao, Liang, Ming Yang, Li Yuan, Nisachol Nerngchamnong, Yuan-Ping Feng, Andrew T. S. Wee, Dong-Chen Qi, and Christian A. Nijhuis. "Orbital dependent ultrafast charge transfer dynamics of ferrocenyl-functionalized SAMs on gold studied by core-hole clock spectroscopy." Journal of Physics: Condensed Matter 28, no. 9 (February 12, 2016): 094006. http://dx.doi.org/10.1088/0953-8984/28/9/094006.

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13

Pokapanich, Wandared, Nikolai V. Kryzhevoi, Niklas Ottosson, Svante Svensson, Lorenz S. Cederbaum, Gunnar Öhrwall, and Olle Björneholm. "Ionic-Charge Dependence of the Intermolecular Coulombic Decay Time Scale for Aqueous Ions Probed by the Core-Hole Clock." Journal of the American Chemical Society 133, no. 34 (August 31, 2011): 13430–36. http://dx.doi.org/10.1021/ja203430s.

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14

Friedlein, R., S. Braun, M. P. de Jong, W. Osikowicz, M. Fahlman, and W. R. Salaneck. "Ultra-fast charge transfer in organic electronic materials and at hybrid interfaces studied using the core-hole clock technique." Journal of Electron Spectroscopy and Related Phenomena 183, no. 1-3 (January 2011): 101–6. http://dx.doi.org/10.1016/j.elspec.2010.11.001.

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15

KONDOH, Hiroshi, Yuki HIGASHI, Masaaki YOSHIDA, Yuji MONYA, Ryo TOYOSHIMA, Kazuhiko MASE, Kenta AMEMIYA, et al. "Structure and Photo-Induced Charge Transfer of Pyridine Molecules Adsorbed on TiO2(110): A NEXAFS and Core-Hole-Clock Study." Electrochemistry 82, no. 5 (2014): 341–45. http://dx.doi.org/10.5796/electrochemistry.82.341.

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16

Garcia-Basabe, Yunier, Gustavo G. Parra, Marina B. Barioni, Cesar D. Mendoza, Flavio C. Vicentin, and Dunieskys G. Larrudé. "Species selective charge transfer dynamics in a P3HT/MoS2 van der Waals heterojunction: fluorescence lifetime microscopy and core hole clock spectroscopy approaches." Physical Chemistry Chemical Physics 21, no. 42 (2019): 23521–32. http://dx.doi.org/10.1039/c9cp04431k.

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17

Föhlisch, A., S. Vijayalakshmi, F. Hennies, W. Wurth, V. R. R. Medicherla, and W. Drube. "Verification of the core-hole-clock method using two different time references: Attosecond charge transfer in c(4×2)S/Ru(0001)." Chemical Physics Letters 434, no. 4-6 (February 2007): 214–17. http://dx.doi.org/10.1016/j.cplett.2006.12.001.

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18

Wouk, Luana, Soheila Holakoei, Leandro Benatto, Kaike Rosivan Maia Pacheco, Maiara de Jesus Bassi, Camilla K. B. Q. M. de Oliveira, Diego Bagnis, Maria Luiza Miranda Rocco, and Lucimara Stolz Roman. "Morphology and energy transfer study between conjugated polymers thin films: experimental and theoretical approaches." Journal of Physics: Condensed Matter 34, no. 21 (March 23, 2022): 214010. http://dx.doi.org/10.1088/1361-648x/ac4c12.

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Abstract In this paper, the effect of a silafluorene derivative copolymer, the poly[2,7-(9,9-dioctyl-dibenzosilole)-alt-4,7-bis(thiophene-2-yl)benzo-2,1,3-thiadiazole] (PSiF-DBT) sensitized by a simpler homopolymer, the poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) were investigated in a bilayer and ternary blend configuration. The energy transfer between the polymers prior to electron transfer to the acceptors can be an efficient alternative to photocurrent improvement in photovoltaic devices. The interactions between the two donor polymer films were evaluated optically and morphologically with several experimental techniques and correlated to the photovoltaic performance. Improved photon to charge conversion was observed in the blend films at different device geometries—considering bilayer devices with fullerene and inverted flexible devices blade coated in air conditions with a non-fullerene small molecule acceptor. Resonant Auger spectroscopy using the core–hole clock method was employed to evaluate the ultrafast charge delocalization times of conjugated polymers in the low-femtosecond regime. Density functional theory and time-dependent DFT methods were used to help understand some experimental observations. The results show that the homopolymer can improve the absorption spectra and the nonradiative-energy transfer from MDMO-PPV to PSiF-DBT and act as a photosensitizer in the copolymer units. In addition, the PSiF-DBT blended with MDMO-PPV exhibits a more organized structure than the neat material resulting in better absorption stability of films kept under continuous illumination.
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19

Fang, L., M. Hoener, O. Gessner, F. Tarantelli, S. T. Pratt, O. Kornilov, C. Buth, et al. "Double Core-Hole Production inN2: Beating the Auger Clock." Physical Review Letters 105, no. 8 (August 20, 2010). http://dx.doi.org/10.1103/physrevlett.105.083005.

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20

Chen, Zhesheng, Heqi Xiong, Hao Zhang, Chaofeng Gao, Yingchun Cheng, Evangelos Papalazarou, Luca Perfetti, Marino Marsi, and Jean-Pascal Rueff. "Ultrafast electron energy-dependent delocalization dynamics in germanium selenide." Communications Physics 4, no. 1 (June 16, 2021). http://dx.doi.org/10.1038/s42005-021-00635-y.

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AbstractUltrafast scattering process of high-energy carriers plays a key role in the performance of electronics and optoelectronics, and have been studied in several semiconductors. Core-hole clock spectroscopy is a unique technique for providing ultrafast charge transfer information with sub-femtosecond timescale. Here we demonstrate that germanium selenide (GeSe) semiconductor exhibits electronic states-dependent charge delocalization time by resonant photo exciting the core electrons to different final states using hard-x-ray photoemission spectroscopy. Thanks to the experiment geometry and the different orbital polarizations in the conduction band, the delocalization time of electron in high energy electronic state probed from Se 1s is ~470 as, which is three times longer than the delocalization time of electrons located in lower energy electronic state probed from Ge 1s. Our demonstration in GeSe offers an opportunity to precisely distinguish the energy-dependent dynamics in layered semiconductor, and will pave the way to design the ultrafast devices in the future.
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21

Lee, J. D. "Model for the Attosecond Resonant Photoemission of Copper Dichloride: Evidence for High-Order Fano Resonances and a Time-Domain Core-Hole Clock." Physical Review Letters 111, no. 2 (July 9, 2013). http://dx.doi.org/10.1103/physrevlett.111.027401.

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22

Haverkamp, Robert, Nomi L. A. N. Sorgenfrei, Erika Giangrisostomi, Stefan Neppl, Danilo Kühn, and Alexander Föhlisch. "Directional charge delocalization dynamics in semiconducting 2H-MoS$$_{2}$$ and metallic 1T-Li$$_{\mathrm{x}}$$MoS$$_{2}$$." Scientific Reports 11, no. 1 (March 25, 2021). http://dx.doi.org/10.1038/s41598-021-86364-2.

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AbstractThe layered dichalcogenide MoS$$_{2}$$ 2 is relevant for electrochemical Li adsorption/intercalation, in the course of which the material undergoes a concomitant structural phase transition from semiconducting 2H-MoS$$_{2}$$ 2 to metallic 1T-Li$$_{\mathrm{x}}$$ x MoS$$_{2}$$ 2 . With the core hole clock approach at the S L$$_{1}$$ 1 X-ray absorption edge we quantify the ultrafast directional charge transfer of excited S3p electrons in-plane ($$\parallel$$ ‖ ) and out-of-plane ($$\perp$$ ⊥ ) for 2H-MoS$$_{2}$$ 2 as $$\tau _{2H,\parallel } = 0.38 \pm 0.08$$ τ 2 H , ‖ = 0.38 ± 0.08 fs and $$\tau _{2H,\perp } = 0.33 \pm 0.06$$ τ 2 H , ⊥ = 0.33 ± 0.06 fs and for 1T-Li$$_{\mathrm{x}}$$ x MoS$$_{2}$$ 2 as $$\tau _{1T,\parallel } = 0.32 \pm 0.12$$ τ 1 T , ‖ = 0.32 ± 0.12 fs and $$\tau _{1T,\perp } = 0.09 \pm 0.07$$ τ 1 T , ⊥ = 0.09 ± 0.07 fs. The isotropic charge delocalization of S3p electrons in the semiconducting 2H phase within the S-Mo-S sheets is assigned to the specific symmetry of the Mo-S bonding arrangement. Formation of 1T-Li$$_{\mathrm{x}}$$ x MoS$$_{2}$$ 2 by lithiation accelerates the in-plane charge transfer by a factor of $$\sim 1.2$$ ∼ 1.2 due to electron injection to the Mo-S covalent bonds and concomitant structural repositioning of S atoms within the S-Mo-S sheets. For excitation into out-of-plane orbitals, an accelerated charge transfer by a factor of $$\sim 3.7$$ ∼ 3.7 upon lithiation occurs due to S-Li coupling.
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