{"id":2729,"date":"2023-09-19T21:34:35","date_gmt":"2023-09-19T13:34:35","guid":{"rendered":"http:\/\/ustb.cc\/zh\/?p=2729"},"modified":"2023-09-20T10:28:42","modified_gmt":"2023-09-20T02:28:42","slug":"near-infrared-mechanoluminescence-of-cr3-doped-gallate-spinel-and-magnetoplumbite-smart-materials","status":"publish","type":"post","link":"http:\/\/ustb.cc\/zh\/near-infrared-mechanoluminescence-of-cr3-doped-gallate-spinel-and-magnetoplumbite-smart-materials\/","title":{"rendered":"Near-Infrared Mechanoluminescence of Cr3+\u00a0Doped Gallate Spinel and Magnetoplumbite Smart Materials"},"content":{"rendered":"\n<p class=\"has-small-font-size\">Advanced Functional Materials, 2023, 01, <a href=\"https:\/\/doi.org\/10.1002\/adfm.202209275\">https:\/\/doi.org\/10.1002\/adfm.202209275<\/a><\/p>\n\n\n\n<p>Mechanoluminescence (ML), as an optical response to deformation stimuli, shows great potential in high-end stress sensing, ultrasonic field visualization, and multidimensional anti-counterfeiting. However, processive practical applications in bio-medicine are constrained by the discovery of near-infrared (NIR) ML materials. Unlike lanthanides (Ln<sup>3+<\/sup>) with sharp multiplets, two kinds of Cr<sup>3+<\/sup>-doped NIR ML materials, gallate spinel (ZnGa<sub>2<\/sub>O<sub>4<\/sub>:Cr<sup>3+<\/sup>, Zn<sub>3<\/sub>Ga<sub>2<\/sub>GeO<sub>8<\/sub>:Cr<sup>3+<\/sup>) and gallate magnetoplumbite (SrGa<sub>12<\/sub>O<sub>19<\/sub>:Cr<sup>3+<\/sup>) are here reported. Owing to the intrinsic cation antisite defects and cation vacancies in the matrix, these materials exhibit bright NIR ML under a relatively low load (20&nbsp;N). In particular for SrGa<sub>12<\/sub>O<sub>19<\/sub>:Cr<sup>3+<\/sup>&nbsp;(750&nbsp;nm, peak; 100&nbsp;nm, FWHM) with low persistent luminescence (PersL) interference, the ML behavior can be further rejuvenated under UV and sunlight irradiation. SrGa<sub>12<\/sub>O<sub>19<\/sub>:Cr<sup>3+<\/sup>&nbsp;also shows bright NIR emission under photo- and thermo-stimulation. Owing to their excellent tissue penetration and concealment capability, NIR ML materials show great potential in the fields of bio-medicine and anti-counterfeiting.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Advanced Functional Materials, 2023, 01, https:\/\/doi.or [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[174],"tags":[],"class_list":["post-2729","post","type-post","status-publish","format-standard","hentry","category-lab_papers_2023"],"_links":{"self":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/2729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/comments?post=2729"}],"version-history":[{"count":3,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/2729\/revisions"}],"predecessor-version":[{"id":2752,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/2729\/revisions\/2752"}],"wp:attachment":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/media?parent=2729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/categories?post=2729"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/tags?post=2729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}