{"id":189,"date":"2019-04-03T00:58:40","date_gmt":"2019-04-02T15:58:40","guid":{"rendered":"https:\/\/www.shinkosha.com\/?page_id=189"},"modified":"2024-07-26T09:41:18","modified_gmt":"2024-07-26T00:41:18","slug":"epi_substrate_10","status":"publish","type":"page","link":"https:\/\/www.shinkosha.com\/english\/product\/epi_substrate\/epi_substrate_10\/","title":{"rendered":"STEP substrate"},"content":{"rendered":"<h1 class=\"component-heading is-level-01\">STEP<span> substrate<\/span><\/h1>\n<div class=\"component-text is-lead\"><span>STEP substrate has an ultimate precision surface with molecular layer steps and atomically flat terraces which is achieved by etching and\/or annealing after precision polishing.<\/span><br class=\"utility-visibility-lg\" \/><span>The STEP substrate is indispensable for high-precision epitaxial growth. We provide single crystal STEP substrates of SrTiO<sub>3<\/sub>, Al<sub>2<\/sub>O<sub>3<\/sub>, TiO<sub>2<\/sub>, and LaAlO<sub>3<\/sub>.<\/span><\/div>\n<h3 class=\"utility-margin is-bottom\"><span>Features<\/span><\/h3>\n<ul class=\"common-ul-list is-simple\">\n<li><span>Made by our unique STEP treatment technology<\/span><\/li>\n<li><span>High quality crystals grown by accumulated technology for over the years<\/span><\/li>\n<li><span>Very flat surface without affected layer by high-precision processing technology<\/span><\/li>\n<li><span>High orientation accuracy (tolerance \u00b10.3\u00b0)<\/span><\/li>\n<li><span>Precision cleaning and specialized package<\/span><\/li>\n<li><span>Delivery with AFM pictures of all items<\/span><\/li>\n<\/ul>\n<div id='gallery-1' class='gallery galleryid-189 gallery-columns-2 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"200\" src=\"https:\/\/www.shinkosha.com\/english\/wp-content\/uploads\/sites\/2\/2019\/05\/STEP_1.jpg\" class=\"attachment-full size-full\" alt=\"\" aria-describedby=\"gallery-1-76\" \/>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-76'>\n\t\t\t\tAFM image of STEP substrate\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"198\" src=\"https:\/\/www.shinkosha.com\/english\/wp-content\/uploads\/sites\/2\/2019\/05\/STEP_2.jpg\" class=\"attachment-full size-full\" alt=\"\" aria-describedby=\"gallery-1-77\" \/>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-77'>\n\t\t\t\tSpecialized case for STEP substrate\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n<h2><span>STEP height, terrace width and OFF angle<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.shinkosha.com\/english\/wp-content\/uploads\/sites\/2\/2020\/05\/STEP_3_en.png\" alt=\"\" class=\"alignnone wp-image-1015\" width=\"653\" height=\"280\" \/><\/p>\n<h3><span>Standard specs<\/span><\/h3>\n<table class=\"component-table-thead\">\n<tbody>\n<tr>\n<th style=\"width: 80.8498px\"><span>Material<\/span><\/th>\n<th style=\"width: 123.885px\"><span>Crystal system<\/span><\/th>\n<th style=\"width: 113.005px\"><span>Orientation<\/span><\/th>\n<th style=\"width: 123.009px\"><span>Size<\/span><\/th>\n<th style=\"width: 208.032px\"><span>Dopant<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"width: 80.8498px\">Al<sub>2<\/sub>O<sub>3<\/sub><\/th>\n<td style=\"text-align: center;width: 123.885px\"><span>Trigonal<\/span><\/td>\n<td style=\"text-align: center;width: 113.005px\">(0001)<\/td>\n<td style=\"text-align: center;width: 123.009px\">10\u00d710\u00d70.5 t <br \/>15\u00d715\u00d70.5 t<\/td>\n<td style=\"text-align: center;width: 208.032px\">\u2015<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 80.8498px\">SrTiO<sub>3<\/sub><\/th>\n<td style=\"text-align: center;width: 123.885px\"><span>Cubic<\/span><\/td>\n<td style=\"text-align: center;width: 113.005px\">(100)<\/td>\n<td style=\"text-align: center;width: 123.009px\">10\u00d710\u00d70.5 t <br \/>15\u00d715\u00d70.5 t<\/td>\n<td style=\"text-align: center;width: 208.032px\">Nb:0\uff5e0.05 wt% (\u22520.1 at%)<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 80.8498px\">TiO<sub>2<\/sub><\/th>\n<td style=\"text-align: center;width: 123.885px\"><span>Tetragonal<\/span><\/td>\n<td style=\"text-align: center;width: 113.005px\">(110), (100)<\/td>\n<td style=\"text-align: center;width: 123.009px\">10\u00d710\u00d70.5 t <br \/>15\u00d715\u00d70.5 t<\/td>\n<td style=\"text-align: center;width: 208.032px\">Nb:0\uff5e0.5 wt% (\u22520.43 at%)<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 80.8498px\">LaAlO<sub>3<\/sub><\/th>\n<td style=\"text-align: center;width: 123.885px\"><span>Pseudo \u2013 cubic<\/span><\/td>\n<td style=\"text-align: center;width: 113.005px\">(100)<\/td>\n<td style=\"text-align: center;width: 123.009px\">10\u00d710\u00d70.5 t <br \/>15\u00d715\u00d70.5 t<\/td>\n<td style=\"text-align: center;width: 208.032px\">\u2015<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span>STEP height<\/span><\/h3>\n<table class=\"component-table-thead\">\n<tbody>\n<tr>\n<th style=\"width: 10%\"><span>Material<\/span><\/th>\n<th><span>Orientation<\/span><\/th>\n<th>STEP height(nm)<br \/>(Theoretical value)<\/th>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">SrTiO<sub>3<\/sub><\/th>\n<td style=\"text-align: center\">(100)<\/td>\n<td style=\"text-align: center\">0.39<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">Al<sub>2<\/sub>O<sub>3<\/sub><\/th>\n<td style=\"text-align: center\">(0001)<\/td>\n<td style=\"text-align: center\">0.21<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">TiO<sub>2<\/sub><\/th>\n<td style=\"text-align: center\">(110)<\/td>\n<td style=\"text-align: center\">0.32<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">TiO<sub>2<\/sub><\/th>\n<td style=\"text-align: center\">(100)<\/td>\n<td style=\"text-align: center\">0.23<\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">LaAlO<sub>3<\/sub><\/th>\n<td style=\"text-align: center\">(100)<\/td>\n<td style=\"text-align: center\">0.38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span>OFF angle vs terrace width of SrTiO3(100)<\/span><\/h3>\n<table class=\"component-table-thead\">\n<tbody>\n<tr>\n<th style=\"width: 10%\"><span>OFF angle(\u00b0)<\/span><\/th>\n<th>Terrace width(nm)<br \/>(Theoretical value)<\/th>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">0.10<\/th>\n<td style=\"text-align: center\"><strong>223<\/strong><\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">0.15<\/th>\n<td style=\"text-align: center\"><strong>149<\/strong><\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">0.20<\/th>\n<td style=\"text-align: center\"><strong>112<\/strong><\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">0.25<\/th>\n<td style=\"text-align: center\"><strong>89<\/strong><\/td>\n<\/tr>\n<tr>\n<th style=\"width: 10%\">0.30<\/th>\n<td style=\"text-align: center\"><strong>74<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u203bIf you are looking for other specs, please contact us.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>STEP substrate STEP substrate has an ultimate precision surface with molecular layer steps and atomically flat terraces which is achieved by etching and\/or annealing after precision polishing.The STEP substrate is indispensable for high-precision epitaxial growth. We provide single crystal STEP substrates of SrTiO3, Al2O3, TiO2, and LaAlO3. Features Made by our unique STEP treatment technology [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":612,"menu_order":21,"comment_status":"closed","ping_status":"closed","template":"page-template-product-child.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-189","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>STEP substrate - SHINKOSHA Crystals for a bright future<\/title>\n<meta name=\"description\" content=\"Shinkosha is a leading company of oxide single crystal production. 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