{"id":3754,"date":"2023-12-15T16:33:56","date_gmt":"2023-12-15T07:33:56","guid":{"rendered":"http:\/\/tuat-chemphys.net\/?p=3754"},"modified":"2023-12-15T16:33:56","modified_gmt":"2023-12-15T07:33:56","slug":"light-on-demand-tuning-silicon-metallization-with-femtosecond-lasers-%e3%83%95%e3%82%a7%e3%83%a0%e3%83%88%e7%a7%92%e3%83%ac%e3%83%bc%e3%82%b6%e3%83%bc%e3%81%a7%e3%82%b7%e3%83%aa%e3%82%b3%e3%83%b3","status":"publish","type":"post","link":"https:\/\/tuat-chemphys.net\/?p=3754","title":{"rendered":"Light on Demand: Tuning Silicon Metallization with Femtosecond Lasers \u30d5\u30a7\u30e0\u30c8\u79d2\u30ec\u30fc\u30b6\u30fc\u3067\u30b7\u30ea\u30b3\u30f3\u3092\u91d1\u5c5e\u5316\uff1a\u5149\u7d50\u5408\u306e\u5f37\u5316"},"content":{"rendered":"\n<p>Miyaji Lab developed a new method for using lasers to modify silicon surfaces. The method uses intense femtosecond laser pulses to create a temporary metallic layer on the silicon surface. This metallic layer can then be used to couple light into the silicon, which could be used for a variety of applications, such as solar cells and sensors. They found that the efficiency of the coupling can be controlled by adjusting the intensity and timing of the laser pulses.<\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.1038\/s41598-023-45968-6\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-color\">https:\/\/doi.org\/10.1038\/s41598-023-45968-6<\/mark><\/a><\/p>\n\n\n\n<p>\u5bae\u5730\u7814\u7a76\u5ba4\u306f\u3001\u30ec\u30fc\u30b6\u30fc\u5149\u3092\u4f7f\u3063\u3066\u30b7\u30ea\u30b3\u30f3\u8868\u9762\u3092\u52a0\u5de5\u3059\u308b\u65b0\u3057\u3044\u65b9\u6cd5\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u8d85\u77ed\u30d1\u30eb\u30b9\u3068\u547c\u3070\u308c\u308b\u5f37\u529b\u306a\u30ec\u30fc\u30b6\u30fc\u5149\u3092\u30b7\u30ea\u30b3\u30f3\u8868\u9762\u306b\u7167\u5c04\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u6642\u7684\u306b\u91d1\u5c5e\u5c64\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u91d1\u5c5e\u5c64\u306f\u3001\u30b7\u30ea\u30b3\u30f3\u3078\u306e\u5149\u7d50\u5408\u306b\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u592a\u967d\u96fb\u6c60\u3084\u30bb\u30f3\u30b5\u30fc\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u306e\u53ef\u80fd\u6027\u304c\u5e83\u304c\u308a\u307e\u3059\u3002\u5f7c\u3089\u306f\u3001\u30ec\u30fc\u30b6\u30fc\u30d1\u30eb\u30b9\u306e\u5f37\u5ea6\u3068\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u5149\u7d50\u5408\u306e\u52b9\u7387\u3092\u5236\u5fa1\u3067\u304d\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"582\" data-attachment-id=\"3755\" data-permalink=\"https:\/\/tuat-chemphys.net\/?attachment_id=3755\" data-orig-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-4.png?fit=1004%2C721&amp;ssl=1\" data-orig-size=\"1004,721\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-4\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-4.png?fit=810%2C582&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-4.png?resize=810%2C582&#038;ssl=1\" alt=\"\" class=\"wp-image-3755\" srcset=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-4.png?w=1004&amp;ssl=1 1004w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-4.png?resize=300%2C215&amp;ssl=1 300w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-4.png?resize=768%2C552&amp;ssl=1 768w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"553\" data-attachment-id=\"3756\" data-permalink=\"https:\/\/tuat-chemphys.net\/?attachment_id=3756\" data-orig-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?fit=1000%2C683&amp;ssl=1\" data-orig-size=\"1000,683\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-5\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?fit=810%2C553&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?resize=810%2C553&#038;ssl=1\" alt=\"\" class=\"wp-image-3756\" srcset=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?resize=300%2C205&amp;ssl=1 300w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?resize=768%2C525&amp;ssl=1 768w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Miyaji Lab developed a new method for using lasers to modify silicon surfaces. The method uses intense femtosecond laser pulses<\/p>\n","protected":false},"author":3,"featured_media":3756,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[9],"tags":[14],"class_list":["post-3754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research","tag-advanced-materials-creation"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2023\/12\/image-5.png?fit=1000%2C683&ssl=1","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":6688,"url":"https:\/\/tuat-chemphys.net\/?p=6688","url_meta":{"origin":3754,"position":0},"title":"\u539f\u5b50\u30b9\u30d4\u30f3\u306e\u6e2c\u5b9a\uff1a\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u3078\u306e\u65b0\u305f\u306a\u6d1e\u5bdf Measuring the Atomic Spins: New Insights into Cesium Atoms","author":"unet","date":"2025-09","format":false,"excerpt":"\u5438\u53ce\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5\u3001\u3053\u306e\u6280\u8853\u306f\u91cf\u5b50\u6280\u8853\u306e\u767a\u5c55\u3068\u5b9f\u7528\u5316\u306b\u91cd\u8981\u306a\u8ca2\u732e\u3092\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002The absorption monitoring method: This technology is expected to make important contributions to the development and practical application of quantum technologies.","rel":"","context":"In &quot;Research Topics&quot;","block_context":{"text":"Research Topics","link":"https:\/\/tuat-chemphys.net\/?cat=9"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":7779,"url":"https:\/\/tuat-chemphys.net\/?p=7779","url_meta":{"origin":3754,"position":1},"title":"\u5f53\u5b66\u79d1\u306e\u300c\u91cf\u5b50\u6280\u8853\u300dQuantum technology research at our department","author":"unet","date":"2026-04","format":false,"excerpt":"\u91cf\u5b50\u306e\u4e16\u754c\u306f\u3001\u7269\u7406\u3084\u5316\u5b66\u306e\u300c\u5f53\u305f\u308a\u524d\u300d\u304c\u901a\u3058\u306a\u3044\u4e0d\u601d\u8b70\u306a\u5834\u6240 The \"Quantum-Tech\" tag, highlighting our lineup of researchers pushing the boundaries of what is scientifically possible.","rel":"","context":"In &quot;Lab. 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Rubidium Vapor under Light Irradiation\u201d","rel":"","context":"In &quot;Awards&quot;","block_context":{"text":"Awards","link":"https:\/\/tuat-chemphys.net\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/11\/image-6.png?fit=351%2C838&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":6478,"url":"https:\/\/tuat-chemphys.net\/?p=6478","url_meta":{"origin":3754,"position":5},"title":"Eco-friendly AgBiS\u2082 nanocrystals with photodetector performance. \u74b0\u5883\u306b\u3084\u3055\u3057\u3044AgBiS\u2082\u30ca\u30ce\u7d50\u6676\u3092\u958b\u767a\u3001\u5149\u96fb\u5b50\u30c7\u30d0\u30a4\u30b9\u306e\u672a\u6765\u306b\u671f\u5f85","author":"unet","date":"2025-08","format":false,"excerpt":"\u4eca\u5f8c\u306f\u3001\u30ca\u30ce\u7d50\u6676\u306e\u30b5\u30a4\u30ba\u5236\u5fa1\u6280\u8853\u306e\u958b\u767a\u3092\u9032\u3081\u3001\u74b0\u5883\u306b\u914d\u616e\u3057\u305f\u9ad8\u6027\u80fd\u5149\u96fb\u5b50\u30c7\u30d0\u30a4\u30b9\u306e\u5b9f\u73fe\u3092\u76ee\u6307\u3057\u307e\u3059\u3002Future work will focus on developing size control techniques for nanocrystals to realize environmentally friendly, high-performance optoelectronic devices.","rel":"","context":"In &quot;Research Topics&quot;","block_context":{"text":"Research 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