All hard X-ray transient grating spectroscopy

被引：0

作者：

Ferrari, Eugenio ^{[1
,2
]}

Ueda, Hiroki ^{[3
]}

Fainozzi, Danny ^{[4
]}

Osaka, Taito ^{[5
]}

Bencivenga, Filippo ^{[6
]}

Burian, Max ^{[7
]}

Carrara, Pietro ^{[8
,9
]}

Vila-Comamala, Joan ^{[3
]}

Cucini, Riccardo ^{[9
]}

David, Christian ^{[3
]}

Gessini, Alessandro ^{[6
]}

Gerber, Simon ^{[3
]}

Goloborodko, Andrii ^{[10
]}

Hrabec, Ales ^{[11
,12
]}

Inoue, Ichiro ^{[5
]}

Inubushi, Yuichi ^{[5
,13
]}

Leroy, Ludmila M. Diniz ^{[3
,7
]}

Mincigrucci, Riccardo ^{[6
]}

Paris, Eugenio ^{[3
]}

Pedrini, Bill ^{[3
]}

Roesner, Benedikt ^{[3
]}

Rouxel, Jeremy R. ^{[14
]}

Serrat, Carles ^{[15
]}

Scagnoli, Valerio ^{[11
,12
]}

Tono, Kensuke ^{[5
,13
]}

Yabashi, Makina ^{[5
,13
]}

Yamada, Jumpei ^{[5
,16
]}

Yamamoto, Kohei ^{[17
,18
]}

Zdora, Marie Christine ^{[3
]}

Beye, Martin ^{[1
,19
]}

Masciovecchio, Claudio ^{[6
]}

Chergui, Majed ^{[6
,20
]}

Staub, Urs ^{[3
]}

Svetina, Cristian ^{[3
,21
,22
]}

机构：

[1] Deutsch Elektronen Synchrotron DESY, Hamburg, Germany

[2] PSI Ctr Accelerator Sci & Engn, Villigen, Switzerland

[3] PSI Ctr Photon Sci, Villigen, Switzerland

[4] Univ Bern, Inst Appl Phys, Bern, Switzerland

[5] RIKEN, SPring 8 Ctr, Kobe, Hyogo, Japan

[6] Elettra Sincrotrone Trieste SCpA, Trieste, Italy

[7] DECTRIS Ltd, Baden Daettwil, Switzerland

[8] Univ Milano, Dipartimento Fis, Milano, Italy

[9] CNR, Ist Officina Materiali IOM, Unita Trieste, Basovizza, TS, Italy

[10] PWGP Labs, Bucha, Kyiv Region, Ukraine

[11] PSI Ctr Neutron & Muon Sci, Villigen, Switzerland

[12] ETH Zurich, Dept Mat, Lab Mesoscop Syst, Zurich, Switzerland

[13] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo, Japan

[14] Argonne Natl Lab, Chem Sci & Engn Div, Lemont, IL, USA

[15] Polytech Univ Catalonia, Dept Phys, Terrassa, Barcelona, Spain

[16] Osaka Univ, Res Ctr Precis Engn, Grad Sch Engn, Osaka, Japan

[17] Inst Mol Sci, Okazaki, Aichi, Japan

[18] Natl Inst Quantum Sci & Technol, NanoTerasu Ctr, Sendai, Miyagi, Japan

[19] Stockholm Univ, Fysikum, Stockholm, Sweden

[20] Ecole Polytech Fed Lausanne, Lausanne Ctr Ultrafast Sci LACUS, ISIC, Lausanne, Switzerland

[21] IMDEA Nanociencia, Madrid Inst Adv Studies, Calle Faraday 9,Ciudad Univ Cantoblanco, Madrid, Spain

[22] European XFEL, Schenefeld, Germany

来源：

COMMUNICATIONS PHYSICS | 2025年 / 8卷 / 01期

基金：

欧洲研究理事会; 瑞士国家科学基金会;

关键词：

D O I：

10.1038/s42005-025-02178-y

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Optical-domain transient grating (TG) spectroscopy is the ideal tool to investigate transport phenomena in gases, liquids and solids, but it is limited to typically micron-size grating periods. Extreme-Ultraviolet TG has represented a major leap forward to access the mesoscopic scales. Hard X-ray TGs open access in principle to the nanoscale. Hard X-ray TGs were recently generated using the Talbot effect and probed by optical pulses, but these hinder exploiting the advantages of the nanoscale gratings. Here, we present an all-X-ray TG study, in which few-femtosecond hard X-ray pulses are used both for excitation and probing. Our experiment was performed on an amorphous film of an FeGd alloy and on a thin silicon single crystal. The results show a manifestation of the TG induced by the X-ray pump and probe pulses in the form of Talbot carpets, as well as temporal evolution of the grating in crystalline silicon showing coherent optical phonons. Ultrafast all-X-ray TG spectroscopy has the potential to study fundamental excitations with femtosecond time resolution and nanometer spatial sensitivity.

引用

页数：11

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