Reflectivity enhancement in titanium by ultrafast XUV irradiation

被引：7

作者：

Bencivenga, F. ^{[1
]}

Principi, E. ^{[1
]}

Giangrisostomi, E. ^{[1
,2
]}

Cucini, R. ^{[1
]}

Battistoni, A. ^{[1
,2
]}

D'Amico, F. ^{[1
]}

Di Cicco, A. ^{[3
]}

Di Fonzo, S. ^{[1
]}

Filipponi, A. ^{[4
]}

Gessini, A. ^{[1
]}

Gunnella, R. ^{[3
]}

Marsi, M. ^{[5
]}

Properzi, L. ^{[3
]}

Saito, M. ^{[1
]}

Masciovecchio, C. ^{[1
]}

机构：

[1] Elettra Sincrotrone Trieste SCpA, I-34149 Basovizza, Italy

[2] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy

[3] Univ Camerino, Sch Sci & Technol, Div Phys, I-62032 Camerino, MC, Italy

[4] Univ Aquila, Dipartimento Sci Fis & Chim, I-67100 Laquila, Italy

[5] Univ Paris 11, CNRS UMR 8502, Phys Solides Lab, FR-91405 Orsay, France

来源：

SCIENTIFIC REPORTS | 2014年 / 4卷

基金：

欧洲研究理事会;

关键词：

PLASMON LINEWIDTH; FREE-ELECTRON; TEMPERATURE; TRANSITION; METALS; MATTER;

D O I：

10.1038/srep04952

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The study of highly photo-excited matter at solid state density is an emerging field of research, which is benefitting the development of free-electron-laser (FEL) technology. We report an extreme ultraviolet (XUV) reflectivity experiment from a titanium (Ti) sample irradiated with ultrafast seeded FEL pulses at variable incident photon fluence and frequency. Using a Drude formalism we relate the observed increase in reflectivity as a function of the excitation fluence to an increase in the plasma frequency, which allows us to estimate the free electron density in the excited sample. The extreme simplicity of the experimental setup makes the present approach potentially a valuable complementary tool to determine the average ionization state of the excited sample, information of primary relevance for understanding the physics of matter under extreme conditions.

引用

页数：4

共 32 条

[1] Tunability experiments at the FERMI@Elettra free-electron laser [J].

Allaria, E. ;

Battistoni, A. ;

Bencivenga, F. ;

Borghes, R. ;

Callegari, C. ;

Capotondi, F. ;

Castronovo, D. ;

Cinquegrana, P. ;

Cocco, D. ;

Coreno, M. ;

Craievich, P. ;

Cucini, R. ;

D'Amico, F. ;

Danailov, M. B. ;

Demidovich, A. ;

De Ninno, G. ;

Di Cicco, A. ;

Di Fonzo, S. ;

Di Fraia, M. ;

Di Mitri, S. ;

Diviacco, B. ;

Fawley, W. M. ;

Ferrari, E. ;

Filipponi, A. ;

Froehlich, L. ;

Gessini, A. ;

Giangrisostomi, E. ;

Giannessi, L. ;

Giuressi, D. ;

Grazioli, C. ;

Gunnella, R. ;

Ivanov, R. ;

Mahieu, B. ;

Mahne, N. ;

Masciovecchio, C. ;

Nikolov, I. P. ;

Passos, G. ;

Pedersoli, E. ;

Penco, G. ;

Principi, E. ;

Raimondi, L. ;

Sergo, R. ;

Sigalotti, P. ;

Spezzani, C. ;

Svetina, C. ;

Trovo, M. ;

Zangrando, M. .

NEW JOURNAL OF PHYSICS, 2012, 14

[2]

Allaria E, 2012, NAT PHOTONICS, V6, P699, DOI [10.1038/nphoton.2012.233, 10.1038/NPHOTON.2012.233]

[3] The FERMI@Elettra free-electron-laser source for coherent x-ray physics: photon properties, beam transport system and applications [J].

Allaria, E. ;

Callegari, C. ;

Cocco, D. ;

Fawley, W. M. ;

Kiskinova, M. ;

Masciovecchio, C. ;

Parmigiani, F. .

NEW JOURNAL OF PHYSICS, 2010, 12

[4] FEL-based transient grating spectroscopy to investigate nanoscale dynamics [J].

Bencivenga, F. ;

Masciovecchio, C. .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2009, 606 (03) :785-789

[5] INVESTIGATION OF TITANIUM AND TITANIUM HYDRIDE BY AES AND EELS [J].

BRACCONI, P ;

LASSER, R .

APPLIED SURFACE SCIENCE, 1987, 28 (03) :204-214

[6] OBSERVATION OF ANOMALOUS PLASMON LINEWIDTH IN THE ICOSAHEDRAL AL-MN QUASI-CRYSTALS [J].

CHEN, CH ;

JOY, DC ;

CHEN, HS ;

HAUSER, JJ .

PHYSICAL REVIEW LETTERS, 1986, 57 (06) :743-746

[7] Direct Measurements of the Ionization Potential Depression in a Dense Plasma [J].

Ciricosta, O. ;

Vinko, S. M. ;

Chung, H. -K. ;

Cho, B. -I. ;

Brown, C. R. D. ;

Burian, T. ;

Chalupsky, J. ;

Engelhorn, K. ;

Falcone, R. W. ;

Graves, C. ;

Hajkova, V. ;

Higginbotham, A. ;

Juha, L. ;

Krzywinski, J. ;

Lee, H. J. ;

Messerschmidt, M. ;

Murphy, C. D. ;

Ping, Y. ;

Rackstraw, D. S. ;

Scherz, A. ;

Schlotter, W. ;

Toleikis, S. ;

Turner, J. J. ;

Vysin, L. ;

Wang, T. ;

Wu, B. ;

Zastrau, U. ;

Zhu, D. ;

Lee, R. W. ;

Heimann, P. ;

Nagler, B. ;

Wark, J. S. .

PHYSICAL REVIEW LETTERS, 2012, 109 (06)

[8] Probing matter under extreme conditions at FERMI@Elettra: the TIMEX beamline [J].

Di Cicco, Andrea ;

Bencivenga, Filippo ;

Battistoni, Andrea ;

Cocco, Daniele ;

Cucini, Riccardo ;

D'Amico, Francesco ;

Di Fonzo, Silvia ;

Filipponi, Adriano ;

Gessini, Alessandro ;

Giangrisostomi, Erika ;

Gunnella, Roberto ;

Masciovecchio, Claudio ;

Principi, Emiliano ;

Svetina, Cristian .

DAMAGE TO VUV, EUV, AND X-RAY OPTICS III, 2011, 8077

[9] X-ray induced optical reflectivity [J].

Durbin, Stephen M. .

AIP ADVANCES, 2012, 2 (04)

[10] A femtosecond X-ray/optical cross-correlator [J].

Gahl, Cornelius ;

Azima, Armin ;

Beye, Martin ;

Deppe, Martin ;

Doebrich, Kristian ;

Hasslinger, Urs ;

Hennies, Franz ;

Melnikov, Alexej ;

Nagasono, Mitsuru ;

Pietzsch, Annette ;

Wolf, Martin ;

Wurth, Wilfried ;

Foehlisch, Alexander .

NATURE PHOTONICS, 2008, 2 (03) :165-169

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