Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Chapman, Richard T"'
Autor:
McGhee, Henry G., Thompson, Henry J., Thompson, James, Zhang, Yu, Wyatt, Adam S., Springate, Emma, Chapman, Richard T., Horke, Daniel A., Minns, Russell S., Ingle, Rebecca A., Parkes, Michael A.
The presence of two chlorine atoms in 1,2-dichloroethene allows for isomerisation around the double bond. This isomerisation can lead to rich photochemistry. We present a time-resolved pump-probe photoelectron spectroscopy measurement on both the cis
Externí odkaz:
http://arxiv.org/abs/2410.14322
Autor:
Majchrzak, Paulina, Pakdel, Sahar, Biswas, Deepnarayan, Jones, Alfred J. H., Volckaert, Klara, Marković, Igor, Andreatta, Federico, Sankar, Raman, Jozwiak, Chris, Rotenberg, Eli, Bostwick, Aaron, Sanders, Charlotte E., Zhang, Yu, Karras, Gabriel, Chapman, Richard T., Wyatt, Adam, Springate, Emma, Miwa, Jill A., Hofmann, Philip, King, Phil D. C., Lanata, Nicola, Chang, Young Jun, Ulstrup, Søren
Publikováno v:
Phys. Rev. B 103, 241108 (2021)
We apply an intense infrared laser pulse in order to perturb the electronic and vibrational states in the three-dimensional charge density wave material 1$T$-VSe$_2$. Ultrafast snapshots of the light-induced hot carrier dynamics and non-equilibrium q
Externí odkaz:
http://arxiv.org/abs/2011.06358
Autor:
Biswas, Deepnarayan, Jones, Alfred J. H., Majchrzak, Paulina, Choi, Byoung Ki, Lee, Tsung-Han, Volckaert, Klara, Feng, Jiagui, Marković, Igor, Andreatta, Federico, Kang, Chang-Jong, Kim, Hyuk Jin, Lee, In Hak, Jozwiak, Chris, Rotenberg, Eli, Bostwick, Aaron, Sanders, Charlotte E., Zhang, Yu, Karras, Gabriel, Chapman, Richard T., Wyatt, Adam S., Springate, Emma, Miwa, Jill A., Hofmann, Philip, King, Phil D. C., Chang, Young Jun, Lanata, Nicola, Ulstrup, Søren
Publikováno v:
Nano Lett. 21, 1968-1975 (2021)
Assembling transition metal dichalcogenides (TMDCs) at the two-dimensional (2D) limit is a promising approach for tailoring emerging states of matter such as superconductivity or charge density waves (CDWs). Single-layer (SL) VSe$_2$ stands out in th
Externí odkaz:
http://arxiv.org/abs/2007.13355
Autor:
Volckaert, Klara, Rostami, Habib, Biswas, Deepnarayan, Marković, Igor, Andreatta, Federico, Sanders, Charlotte E., Majchrzak, Paulina, Cacho, Cephise, Chapman, Richard T., Wyatt, Adam, Springate, Emma, Lizzit, Daniel, Bignardi, Luca, Lizzit, Silvano, Mahatha, Sanjoy K., Bianchi, Marco, Lanata, Nicola, King, Phil D. C., Miwa, Jill A., Balatsky, Alexander V., Hofmann, Philip, Ulstrup, Søren
Publikováno v:
Phys. Rev. B 100, 241406 (2019)
Inversion-symmetric crystals are optically isotropic and thus naively not expected to show dichroism effects in optical absorption and photoemission processes. Here, we find a strong linear dichroism effect (up to 42.4%) in the conduction band of inv
Externí odkaz:
http://arxiv.org/abs/1910.01848
Autor:
Wyatt, Adam S, Matía-Hernando, Paloma, Johnson, Allan S, Matselyukh, Danylo T, Jones, Alfred J H, Chapman, Richard T, Cacho, Cephise, Austin, Dane R, Tisch, John W G, Marangos, Jon P, Springate, Emma
We describe Ti:Sapphire pumped optical parametric amplification of carrier-envelope phase stabilized few-cycle ($<10$fs) mid-infrared pulses in type I $\beta$-barium borate. Experimental measurements show a $\times3.5$ amplification factor (from 100$
Externí odkaz:
http://arxiv.org/abs/1909.05954
Autor:
Andreatta, Federico, Rostami, Habib, Čabo, Antonija Grubišić, Bianchi, Marco, Sanders, Charlotte E., Biswas, Deepnarayan, Cacho, Cephise, Jones, Alfred J. H., Chapman, Richard T., Springate, Emma, King, Phil D. C., Miwa, Jill A., Balatsky, Alexander, Ulstrup, Søren, Hofmann, Philip
Publikováno v:
Phys. Rev. B 99, 165421 (2019)
Using time- and angle-resolved photoemission spectroscopy, we study the response of metallic single layer TaS$_2$ in the 1H structural modification to the generation of excited carriers by a femtosecond laser pulse. A complex interplay of band struct
Externí odkaz:
http://arxiv.org/abs/1901.07819
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Autor:
Smith, Adam D., Warne, Emily M., Bellshaw, Darren, Horke, Daniel A., Tudorovskya, Maria, Springate, Emma, Jones, Alfred J. H., Cacho, Cephise, Chapman, Richard T., Kirrander, Adam, Minns, Russell S.
We probe the dynamics of dissociating CS$_2$ molecules across the entire reaction pathway upon excitation. Photoelectron spectroscopy measurements using laboratory-generated femtosecond extreme ultraviolet pulses monitor the competing dissociation, i
Externí odkaz:
http://arxiv.org/abs/1805.02170
Autor:
Smith, Adam D., Watts, Hannah M., Jager, Edward, Horke, Daniel A., Springate, Emma, Alexander, Oliver, Cacho, Cephise, Chapman, Richard T., Minns, Russell S.
Publikováno v:
Phys. Chem. Chem. Phys. 18, 28150 (2016)
The dissociation dynamics of the $\tilde{A}$-state of ammonia have been studied using a resonant multiphoton ionisation probe in a photoelectron spectroscopy experiment. The use of a resonant intermediate in the multiphoton ionisation process changes
Externí odkaz:
http://arxiv.org/abs/1712.05646
Autor:
Bellshaw, Darren, Horke, Daniel A., Smith, Adam D., Watts, Hannah M., Jager, Edward, Springate, Emma, Alexander, Oliver, Cacho, Cephise, Chapman, Richard T., Kirrander, Adam, Minns, Russell S.
Publikováno v:
Chem. Phys. Lett. 683, 383 (2017)
New ab-initio surface hopping simulations of the excited state dynamics of CS$_2$ including spin-orbit coupling are compared to new experimental measurements using a multiphoton ionisation probe in a photoelectron spectroscopy experiment. The calcula
Externí odkaz:
http://arxiv.org/abs/1712.05634