{"id":8157,"date":"2023-07-23T16:07:43","date_gmt":"2023-07-23T20:07:43","guid":{"rendered":"https:\/\/www.semiconsoft.com\/wp2\/?page_id=8157"},"modified":"2023-07-23T16:15:20","modified_gmt":"2023-07-23T20:15:20","slug":"heterostructure-thickness-measurement","status":"publish","type":"page","link":"https:\/\/www.semiconsoft.com\/wp2\/heterostructure-thickness-measurement\/","title":{"rendered":"Heterostructure thickness measurement"},"content":{"rendered":"<div  class=\"tatsu-S1sI_R5ch tatsu-section  tatsu-bg-overlay   tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"10px 0px 20px 0px\"}' data-padding-top='10px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-one-col tatsu-row-has-one-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-SyljI_R552\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-image-none tatsu-column-effect-none  tatsu-SybsLuAq53\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-text-block-wrap tatsu-H1MsId05qn  \"><div class=\"tatsu-text-inner tatsu-align-center  clearfix\" ><style>.tatsu-H1MsId05qn.tatsu-text-block-wrap .tatsu-text-inner{width: 100%;text-align: center;background-color: rgba(74,144,226,1);color: rgba(255,255,255,1) ;}.tatsu-H1MsId05qn.tatsu-text-block-wrap{margin: 40px 0px 30px 0px;}.tatsu-H1MsId05qn .tatsu-text-inner *{color: rgba(255,255,255,1) ;}.tatsu-H1MsId05qn.tatsu-text-block-wrap .tatsu-text-inner *{font-family : Arial, Helvetica, sans-serif;font-weight : 700;text-transform : none;font-size : 22px;line-height : 30px;}<\/style>\n<p style=\"text-align: center;\">Heterostructure\u00a0 Thickness Measurement<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-SybsLuAq53.tatsu-column{width: 100%;}.tatsu-SybsLuAq53.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-SybsLuAq53 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-SybsLuAq53 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-SybsLuAq53 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-SybsLuAq53 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-SybsLuAq53.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-SybsLuAq53.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-SybsLuAq53.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-section-overlay\"><\/div><style>.tatsu-S1sI_R5ch .tatsu-section-pad{padding: 10px 0px 20px 0px;}.tatsu-S1sI_R5ch .tatsu-section-offset-wrap{transform: translateY(-0px);}.tatsu-S1sI_R5ch > .tatsu-bottom-divider{z-index: 9999;}.tatsu-S1sI_R5ch > .tatsu-top-divider{z-index: 9999;}.tatsu-S1sI_R5ch .tatsu-section-overlay{mix-blend-mode: normal;}<\/style><\/div><div  class=\"tatsu-rJQj8dAcq3 tatsu-section    tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"0px 0px 29px 0px\"}' data-padding-top='0px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-one-half tatsu-row-has-two-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-rkViUd0552\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-half tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-HJri8OA9c2\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module align-center be-shadow-light tatsu-HyIiLdC9q2  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 600px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 69.833333333333%;\" ><\/div><a class = \"mfp-image\" href = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/Heterostr_result.jpg\" ><img class = \"tatsu-gradient-border\" alt = \"Heterostructure thickness measurement\" title = \"Heterostructure thickness measurement\" src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/Heterostr_result.jpg\" \/><\/a><\/div><style>.tatsu-HyIiLdC9q2{margin: 0px 0px 0px 0px;}.tatsu-HyIiLdC9q2 .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-HyIiLdC9q2.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div class=\"tatsu-row-wrap  tatsu-row-one-col tatsu-row-has-one-cols tatsu-medium-gutter tatsu-reg-cols tatsu-inner-row-wrap  tatsu-clearfix tatsu-BJgMlPko52\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-image- tatsu-column-effect-  tatsu-rJflw1iqn\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-Syrewyjq2   \" ><style>.tatsu-Syrewyjq2 .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-Syrewyjq2 .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>\u00a0<\/p>\n<p>Heterostructure filmstack sample : (2.0 nm ZnO\/2.1nm Alumina) x 60 on Si. Fit of the model to measured data to determine thicknesses of ZnO and Alumina and optical constants of the ZnO\u00a0\u00a0<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-rJflw1iqn.tatsu-column{width: 100%;}.tatsu-rJflw1iqn.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-rJflw1iqn > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-rJflw1iqn > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rJflw1iqn > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-rJflw1iqn > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-rJflw1iqn.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-rJflw1iqn.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-rJflw1iqn.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-HJri8OA9c2.tatsu-column{width: 40.5%;}.tatsu-HJri8OA9c2.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-HJri8OA9c2 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-HJri8OA9c2 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-HJri8OA9c2 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-HJri8OA9c2 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-HJri8OA9c2.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-half tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-Bk5oIuC99h\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-rJ8JKRc92   \" ><style>.tatsu-rJ8JKRc92 .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-rJ8JKRc92 .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>Heterostructure thickness measurement is an important quality control step after deposition. It can work together with the <a href=\"mprobe-thickness-measurement-in-situ\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">in-situ real -time thickness control<\/span><\/a>\u00a0 or instead of it.\u00a0 Heterosctructure filmstack ,typically, consists of repeated alternating layers of low and high reflective index material, e.g. Al oxide\u00a0 and Zn oxide. Double layer can be repeated 10s or 100s of times &#8211; typically from 60x to 200x. They are widely used for filters, anti-reflection coatings and other applications. One of these applications is LED and semiconductor laser: heterostructure filmstack, in this case, is used to concentrate light radiation in the narrow wavelength range.\u00a0 Frequently, optical constants of the constituent materials are measured separately and only thickness is measured in the actual heterosctucture. Unfortunately, it is not always possible because materials in heterostructure may have different optical properties. It is possible , however, to measure both thickness and optical constants assuming that all the same material layers have identical properties.\u00a0 \u00a0<\/p>\n<\/div><\/div><div  class=\"tatsu-module tatsu-normal-button tatsu-button-wrap align-block block-left  tatsu-S1hj8_Cc9n   \"><a class=\"tatsu-shortcode mediumbtn tatsu-button left-icon circular   bg-animation-none  \" href=\"https:\/\/www.semiconsoft.com\/html\/download\/docs\/Heterostructure_measurement.pdf\" style= \"\"  aria-label=\"Heterostucture thickness  Measurement\" data-gdpr-atts={} target=\"_blank\">Heterostucture thickness  Measurement<\/a><style>.tatsu-S1hj8_Cc9n .tatsu-button{background-color: rgba(34,147,215,1);color: #ffffff ;}<\/style><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-Bk5oIuC99h.tatsu-column{width: 59.5%;}.tatsu-Bk5oIuC99h.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-Bk5oIuC99h > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-Bk5oIuC99h > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-Bk5oIuC99h > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-Bk5oIuC99h > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-Bk5oIuC99h.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><style>.tatsu-rJQj8dAcq3.tatsu-section{background-color: rgba(255,255,255,1);}.tatsu-rJQj8dAcq3 .tatsu-section-pad{padding: 0px 0px 29px 0px;}.tatsu-rJQj8dAcq3 > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rJQj8dAcq3 > .tatsu-top-divider{z-index: 9999;}<\/style><\/div><div  class=\"tatsu-BkTsL_A9qn tatsu-section    tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"7px 0px 0px 0px\"}' data-padding-top='7px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-three-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-ByCo8uA952\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-third tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-SJJgsLuAcq2\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-rJJkDkic3   \" ><style>.tatsu-rJJkDkic3 .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-rJJkDkic3 .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<h5>How to measure heterostructure?<\/h5>\n<ul>\n<li>Heterostructure, typically, includes thin layers of the metal oxides. In this case, it is best to use <a href=\"mprobevis-thin-film-measurement-system\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">MProbe 20 UVVis measurement system<\/span><\/a><\/li>\n<li>\u00a0Use of the linked layers helps reduce the number of independent layers for the first step in the data analysis<\/li>\n<li>If the fit to the measured data is not good &#8211; one can try to add optical constants of one of the materials to measured parameters. It is likely that they are different from the previously measured data<\/li>\n<li>If the fit improves but still not perfect &#8211; one can fix the optical constant at the latest results and let thickneses of the individual layers flow independently\u00a0<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-SJJgsLuAcq2.tatsu-column{width: 34%;}.tatsu-SJJgsLuAcq2.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-SJJgsLuAcq2 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-SJJgsLuAcq2 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-SJJgsLuAcq2 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-SJJgsLuAcq2 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-SJJgsLuAcq2.tatsu-column{width: 33.33%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-SJJgsLuAcq2.tatsu-column{width: 33.33%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-SJJgsLuAcq2.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-third tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-rybei8_A9qh\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module align-center be-shadow-light tatsu-image-lazyload tatsu-ryGgo8O0qqn  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 300px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 78.333333333333%;\" ><\/div><a class = \"mfp-image\" href = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/ThinZnO_nk.jpg\" ><img class = \"tatsu-gradient-border\" alt = \"Heterostructure thickness measurement, ZnO\" title = \"Heterostructure thickness measurement, ZnO\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/ThinZnO_nk-300x235.jpg\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/a><\/div><style>.tatsu-ryGgo8O0qqn{margin: 0px 0px 0px 0px;}.tatsu-ryGgo8O0qqn .tatsu-single-image-inner{border-style: solid;}.tatsu-ryGgo8O0qqn.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div class=\"tatsu-row-wrap  tatsu-row-one-col tatsu-row-has-one-cols tatsu-medium-gutter tatsu-reg-cols tatsu-inner-row-wrap  tatsu-clearfix tatsu-rkeESNgs9n\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-image- tatsu-column-effect-  tatsu-r1NB4ejc2\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-ryXIElo5n   \" ><style>.tatsu-ryXIElo5n .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-ryXIElo5n .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>\u00a0<\/p>\n<p>Optical dispersion of the ZnO determined from the measurement of heterostructure. It shows that thin ZnO\u00a0 is more amorphous than expected from thick ZnO layer measurement\u00a0<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-r1NB4ejc2.tatsu-column{width: 100%;}.tatsu-r1NB4ejc2.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-r1NB4ejc2 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-r1NB4ejc2 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-r1NB4ejc2 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-r1NB4ejc2 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-r1NB4ejc2.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-r1NB4ejc2.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-r1NB4ejc2.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-rybei8_A9qh.tatsu-column{width: 30.4%;}.tatsu-rybei8_A9qh.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-rybei8_A9qh > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-rybei8_A9qh > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rybei8_A9qh > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-rybei8_A9qh > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-rybei8_A9qh.tatsu-column{width: 33.33%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-rybei8_A9qh.tatsu-column{width: 33.33%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-rybei8_A9qh.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-third tatsu-column-image-none tatsu-column-effect-none  tatsu-r1Wcqcks5n\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module align-center tatsu-image-lazyload tatsu-SJXsq1jq2  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 300px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 70%;\" ><\/div><a class = \"mfp-image\" href = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/Thin_ZnO_fit.jpg\" ><img class = \"tatsu-gradient-border\" alt = \"Heterostructure thickness measurement ZnO\" title = \"Heterostructure thickness measurement ZnO\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/Thin_ZnO_fit-300x210.jpg\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/a><\/div><style>.tatsu-SJXsq1jq2{margin: 60px 1px 0px 0px;}.tatsu-SJXsq1jq2 .tatsu-single-image-inner{border-style: solid;}.tatsu-SJXsq1jq2.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div class=\"tatsu-row-wrap  tatsu-row-one-col tatsu-row-has-one-cols tatsu-medium-gutter tatsu-reg-cols tatsu-inner-row-wrap  tatsu-clearfix tatsu-ryxKbsksc3\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-image- tatsu-column-effect-  tatsu-S1Y-ikscn\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-Hk2-oJs53   \" ><style>.tatsu-Hk2-oJs53 .tatsu-inline-text-inner{width: 100%;text-align: center;}@media only screen and (max-width: 767px) {.tatsu-Hk2-oJs53 .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\">Optical dispersion of the ZnO is used in the measurement of thin ZnO layer to check the optical constants determined from the heterosctructure measurement are correct<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-S1Y-ikscn.tatsu-column{width: 100%;}.tatsu-S1Y-ikscn.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-S1Y-ikscn > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-S1Y-ikscn > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-S1Y-ikscn > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-S1Y-ikscn > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-S1Y-ikscn.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-S1Y-ikscn.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-S1Y-ikscn.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-r1Wcqcks5n.tatsu-column{width: 35.59%;}.tatsu-r1Wcqcks5n.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-r1Wcqcks5n > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-r1Wcqcks5n > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-r1Wcqcks5n > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-r1Wcqcks5n > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-r1Wcqcks5n.tatsu-column{width: 33.33%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-r1Wcqcks5n.tatsu-column{width: 33.33%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-r1Wcqcks5n.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><style>.tatsu-BkTsL_A9qn.tatsu-section{background-color: rgba(255,255,255,1);}.tatsu-BkTsL_A9qn .tatsu-section-pad{padding: 7px 0px 0px 0px;}.tatsu-BkTsL_A9qn > .tatsu-bottom-divider{z-index: 9999;}.tatsu-BkTsL_A9qn > .tatsu-top-divider{z-index: 9999;}<\/style><\/div><div  class=\"tatsu-B1UgsIOA9q3 tatsu-section  tatsu-bg-overlay   tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"50px 0px 0px 0px\"}' data-padding-top='50px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-one-half tatsu-row-has-two-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-SkwgsLuRcqn\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-half tatsu-column-image-none tatsu-column-effect-none  tatsu-rkdgsIORqq3\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module tatsu-image-lazyload tatsu-HyKesUdA55n  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 600px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 113.66666666667%;\" ><\/div><img class = \"tatsu-gradient-border\" alt = \"MProbe 20 UVVis thin-film measurement system\" title = \"MProbe 20 UVVis thin-film measurement system\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2022\/10\/UVVisSR_picture.png\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/div><style>.tatsu-HyKesUdA55n .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-HyKesUdA55n.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-rkdgsIORqq3.tatsu-column{width: 47.3%;}.tatsu-rkdgsIORqq3.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-rkdgsIORqq3 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-rkdgsIORqq3 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rkdgsIORqq3 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-rkdgsIORqq3 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-rkdgsIORqq3.tatsu-column{width: 50%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-rkdgsIORqq3.tatsu-column{width: 50%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-rkdgsIORqq3.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-half tatsu-column-image-none tatsu-column-effect-none  tatsu-Hkqls8O0qc2\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-HkuXTko9n   \" ><style>.tatsu-HkuXTko9n .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-HkuXTko9n .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p><a href=\"mprobe-20-uvvis-thin-film-measurement-system\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">MProbe UVVis 20\u00a0 system<\/span><\/a> basic specification:<\/p>\n<ul>\n<li>Wavelength range: 200-1000nm<\/li>\n<li>Wavelength resolution: < 1nm\u00a0 (optional: 2nm or 4 nm:depends on the entrance spit)<\/li>\n<li>Thickness range: 1nm -75 um\u00a0<\/li>\n<li>Measurement precision: 0.01nm or 0.01% (whichever is greater)<\/li>\n<li>Light source: 30W Deuterium short-arc lamp and 20W TH lamp (lamps lifetime 2000hrs)<\/li>\n<li>Spectrometer: astigmatism corrected\u00a0<a href=\"ariel-spectrometer\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\"> Ariel spectrometer\u00a0<\/span><\/a><\/li>\n<li><span class=\"tatsu-inline-link-style2\">Measurement spot size < 1mm<\/span><\/li>\n<li><span class=\"tatsu-inline-link-style2\">Typical measurement time(on Si): 20ms<\/span><\/li>\n<li><span class=\"tatsu-inline-link-style2\">Integration time range: 10us &#8211; 1000ms<\/span><\/li>\n<li><span class=\"tatsu-inline-link-style2\">Communication interface: USB2 and 1 Gb LAN\u00a0<\/span><\/li>\n<\/ul>\n<\/div><\/div><div  class=\"tatsu-module tatsu-normal-button tatsu-button-wrap   tatsu-BJnxs8uR952   \"><a class=\"tatsu-shortcode mediumbtn tatsu-button left-icon circular   bg-animation-none  \" href=\"https:\/\/www.semiconsoft.com\/wp2\/mprobe-20-uvvis-thin-film-measurement-system\/\" style= \"\"  aria-label=\"Read more about MProbe 20 UVVis \" data-gdpr-atts={} >Read more about MProbe 20 UVVis <\/a><style>.tatsu-BJnxs8uR952 .tatsu-button{background-color: rgba(34,147,215,1);color: #ffffff ;}<\/style><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-Hkqls8O0qc2.tatsu-column{width: 52.7%;}.tatsu-Hkqls8O0qc2.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-Hkqls8O0qc2 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-Hkqls8O0qc2 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-Hkqls8O0qc2 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-Hkqls8O0qc2 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-Hkqls8O0qc2.tatsu-column{width: 50%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-Hkqls8O0qc2.tatsu-column{width: 50%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-Hkqls8O0qc2.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-section-overlay\"><\/div><style>.tatsu-B1UgsIOA9q3 .tatsu-section-pad{padding: 50px 0px 0px 0px;}.tatsu-B1UgsIOA9q3 .tatsu-section-offset-wrap{transform: translateY(-0px);}.tatsu-B1UgsIOA9q3 > .tatsu-bottom-divider{z-index: 9999;}.tatsu-B1UgsIOA9q3 > .tatsu-top-divider{z-index: 9999;}.tatsu-B1UgsIOA9q3 .tatsu-section-overlay{mix-blend-mode: normal;}<\/style><\/div>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.semiconsoft.com\/wp2\/heterostructure-thickness-measurement\/\" class=\"exp-read-more exp-read-more-dots\">&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":8159,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8157","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Heterostructure thickness measurement - Semiconsoft,Inc.<\/title>\n<meta name=\"description\" content=\"Heterostructure thickness measurement is easy with MProbe UVVis system. 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