Direct measurement of nonequilibrium electron-energy distributions in subpicosecond laser-heated gold films
The electron-energy distribution in a Au film was measured with approx 700 fs time-resolved photoemission spectroscopy following laser heating by a 400 fs visible laser pulse. The measured distribution can be fitted by the Fermi--Dirac function at an elevated temperature except within 800 fs of the...
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| Veröffentlicht in: | Physical review letters 1992-05, Vol.68 (18), p.2834-2837 |
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| container_end_page | 2837 |
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| container_issue | 18 |
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| container_title | Physical review letters |
| container_volume | 68 |
| creator | FANN, W. S STORZ, R TOM, H. W. K BOKOR, J |
| description | The electron-energy distribution in a Au film was measured with approx 700 fs time-resolved photoemission spectroscopy following laser heating by a 400 fs visible laser pulse. The measured distribution can be fitted by the Fermi--Dirac function at an elevated temperature except within 800 fs of the heating pulse (time-resolution limited), when a reproducible departure is observed. As a result, the relaxation of nonequilibrium electrons was found to be inadequately described by the standard electron--phonon coupling model. |
| doi_str_mv | 10.1103/physrevlett.68.2834 |
| format | Article |
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As a result, the relaxation of nonequilibrium electrons was found to be inadequately described by the standard electron--phonon coupling model.</description><subject>Applied sciences</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</subject><subject>Exact sciences and technology</subject><subject>Metals. 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K ; BOKOR, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c479t-e986fa798f972aaa030ad69e511aac5dfb8e0d8710145224f5315d8435db47aa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Applied sciences</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</topic><topic>Exact sciences and technology</topic><topic>Metals. Metallurgy</topic><topic>Physics</topic><topic>Surface and interface electron states</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>FANN, W. S</creatorcontrib><creatorcontrib>STORZ, R</creatorcontrib><creatorcontrib>TOM, H. W. 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K</au><au>BOKOR, J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Direct measurement of nonequilibrium electron-energy distributions in subpicosecond laser-heated gold films</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>1992-05-04</date><risdate>1992</risdate><volume>68</volume><issue>18</issue><spage>2834</spage><epage>2837</epage><pages>2834-2837</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>The electron-energy distribution in a Au film was measured with approx 700 fs time-resolved photoemission spectroscopy following laser heating by a 400 fs visible laser pulse. The measured distribution can be fitted by the Fermi--Dirac function at an elevated temperature except within 800 fs of the heating pulse (time-resolution limited), when a reproducible departure is observed. As a result, the relaxation of nonequilibrium electrons was found to be inadequately described by the standard electron--phonon coupling model.</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>10045504</pmid><doi>10.1103/physrevlett.68.2834</doi><tpages>4</tpages></addata></record> |
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| ispartof | Physical review letters, 1992-05, Vol.68 (18), p.2834-2837 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Metals. Metallurgy Physics Surface and interface electron states |
| title | Direct measurement of nonequilibrium electron-energy distributions in subpicosecond laser-heated gold films |
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