{"id":2661,"date":"2011-07-01T14:06:00","date_gmt":"2011-07-01T12:06:00","guid":{"rendered":"https:\/\/forschungsnetzwerk-chim.de\/?post_type=publikationen&#038;p=2661"},"modified":"2024-01-26T12:02:31","modified_gmt":"2024-01-26T11:02:31","slug":"dielectric-function-and-optical-properties-of-quaternary-alingan-alloys","status":"publish","type":"publikationen","link":"https:\/\/forschungsnetzwerk-chim.de\/en\/publications\/dielectric-function-and-optical-properties-of-quaternary-alingan-alloys\/","title":{"rendered":"Dielectric function and optical properties of quaternary AlInGaN alloys\u00a0"},"content":{"rendered":"\n<p>The optical properties of quaternary AlxInyGa1\u2212x\u2212yN alloy films with 0.16<x and=\"\" are=\"\" presented.=\"\" the=\"\" alingan=\"\" layers=\"\" were=\"\" grown=\"\" by=\"\" metal-organic=\"\" vapor=\"\" phase=\"\" epitaxy=\"\" on=\"\" thick=\"\" gan=\"\" templates.=\"\" high-resolution=\"\" x-ray=\"\" diffraction=\"\" measurements=\"\" revealed=\"\" pseudomorphic=\"\" growth=\"\" of=\"\" films=\"\" buffer.=\"\" rutherford=\"\" backscattering=\"\" wavelength-dispersive=\"\" spectroscopy=\"\" analysis=\"\" used=\"\" in=\"\" order=\"\" to=\"\" determine=\"\" composition=\"\" alloys.=\"\" ordinary=\"\" dielectric=\"\" function=\"\" samples=\"\" was=\"\" determined=\"\" range=\"\" ev=\"\" spectroscopic=\"\" ellipsometry=\"\" at=\"\" room=\"\" temperature=\"\" radiation:=\"\" bessy=\"\" ii=\"\" sharp=\"\" onset=\"\" imaginary=\"\" part=\"\" df=\"\" defines=\"\" direct=\"\" absorption=\"\" edge=\"\" higher=\"\" photon=\"\" energies=\"\" pronounced=\"\" peaks=\"\" observed=\"\" indicating=\"\" a=\"\" promising=\"\" optical=\"\" quality=\"\" material.=\"\" these=\"\" features=\"\" correlated=\"\" critical=\"\" points=\"\" band=\"\" structure=\"\" hove=\"\" singularities=\"\" an=\"\" analytical=\"\" model=\"\" which=\"\" permits=\"\" us=\"\" accurately=\"\" describe=\"\" constants=\"\" is=\"\" also=\"\" band-gap=\"\" high-energy=\"\" interband=\"\" transition=\"\" values=\"\" obtained=\"\" fitting=\"\" experimental=\"\" with=\"\" model.=\"\" strain=\"\" influence=\"\" bandgap=\"\" evaluated=\"\" using=\"\" k=\"\" formalism.=\"\" furthermore=\"\" empirical=\"\" expression=\"\" proposed=\"\" allows=\"\" calculate=\"\" inter-band=\"\" transitions=\"\" whole=\"\" compositional=\"\" y=\"\" from=\"\" good=\"\" agreement=\"\" both=\"\" calculated=\"\" ab=\"\" initio=\"\" se.=\"\"><\/x><\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Publication:<\/b> 2011<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"beteiligte":[],"class_list":["post-2661","publikationen","type-publikationen","status-publish","hentry","publikationen_category-physical-chemistry"],"acf":[],"_links":{"self":[{"href":"https:\/\/forschungsnetzwerk-chim.de\/en\/wp-json\/wp\/v2\/publikationen\/2661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forschungsnetzwerk-chim.de\/en\/wp-json\/wp\/v2\/publikationen"}],"about":[{"href":"https:\/\/forschungsnetzwerk-chim.de\/en\/wp-json\/wp\/v2\/types\/publikationen"}],"wp:attachment":[{"href":"https:\/\/forschungsnetzwerk-chim.de\/en\/wp-json\/wp\/v2\/media?parent=2661"}],"wp:term":[{"taxonomy":"beteiligte","embeddable":true,"href":"https:\/\/forschungsnetzwerk-chim.de\/en\/wp-json\/wp\/v2\/beteiligte?post=2661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}