{"id":36529,"date":"2005-02-01T00:05:33","date_gmt":"2005-02-01T00:05:33","guid":{"rendered":"https:\/\/silvaco.com\/%e6%9c%aa%e5%88%86%e7%b1%bb\/can-athena-get-the-stress-in-compound-advanced-material\/"},"modified":"2026-10-15T14:19:36","modified_gmt":"2026-10-15T21:19:36","slug":"can-athena-get-the-stress-in-compound-advanced-material","status":"publish","type":"post","link":"https:\/\/silvaco.com\/zh-hans\/simulation-standard-zh-hans\/can-athena-get-the-stress-in-compound-advanced-material\/","title":{"rendered":"Can Athena get the STRESS in Compound Advanced material?"},"content":{"rendered":"

Hints, Tips and Solutions – February 2005<\/h1>\n

Q:<\/strong>\u00a0Can\u00a0ATHENA<\/em>\u00a0get the STRESS in Compound Advanced material?<\/p>\n

A:<\/strong>\u00a0The\u00a0ATHENA<\/em><\/strong>\u00a0STRESS command has been augmented to allow the 2 Dimensional stress distribution. To get the STRESS, the simple SiO2\/GaAs\/AlGaAs Optical waveguide was considered.<\/p>\n

When the temperature difference is -400 C, then the command is<\/p>\n

STRESS TEMP1=430 TEMP2=30<\/span><\/p><\/blockquote>\n

And to get the stress, the material parameters need for the SiO2, GaAs, AlGaAs as Table 1.<\/p>\n\n\n\n\n\n\n
<\/td>\nGaAs
\n<\/strong><\/td>\n		AlxGa1-xAs
\n<\/strong><\/td>\n		SiO2<\/strong><\/td>\n<\/tr>\n
Young.m dynes\/cm2<\/td>\n8.538e11<\/td>\n(8.53-0.18x)e11<\/td>\n7.679e11<\/td>\n<\/tr>\n
Poission Raio<\/td>\n0.31<\/td>\n0.31+0.1x<\/td>\n0.186<\/td>\n<\/tr>\n
Linear Coefficient ofThermal Expansion \/K<\/td>\n5.73e-6<\/td>\n(5.73-0.53x)e-6<\/td>\nclass=”table-cells”5.4e-7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

As the all material parameter of the AlxGa1-xAs depends on the mole fraction, in Deckbuild, the SET command is useful for the definition of the material parameters as like,<\/p>\n

# for AlxGa1-xAs
\nset xcomp=0.3
\nmaterial algaas Young.m=((8.53- 0.18*$xcomp)*1e11)
\nmaterial algaas Poiss.r=(0.31+0.1*$xcomp)
\nmaterial algaas lcte=((5.73- 0.53*$xcomp)*1e-6<\/span><\/p><\/blockquote>\n

Then the stress distribution shows in Figure 1. Figure 1 (a) shows the Stress X and (b) shows the Stress Y. And the magnitude of positive is the compressive strss and the negative is the tensile stress.<\/p>\n

\"\"<\/p>\n

Download Simulation Standard<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Q:\u00a0Can\u00a0ATHENA\u00a0get the STRESS in Compound Advanced material?<\/p>\n

A:\u00a0The\u00a0ATHENA\u00a0STRESS command has been augmented to allow the 2 Dimensional stress distribution. To get the STRESS, the simple SiO2\/GaAs\/AlGaAs Optical waveguide was considered.<\/p>\n","protected":false},"author":12,"featured_media":21823,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[7723],"tags":[],"class_list":["post-36529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-simulation-standard-zh-hans","entry","has-media"],"yoast_head":"\nCan Athena get the STRESS in Compound Advanced material? - Silvaco<\/title>\n<meta name=\"description\" content=\"Can\u00a0ATHENA\u00a0get the STRESS in Compound Advanced material\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/silvaco.com\/zh-hans\/simulation-standard-zh-hans\/can-athena-get-the-stress-in-compound-advanced-material\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can Athena get the STRESS in Compound Advanced material?\" \/>\n<meta property=\"og:description\" content=\"Can\u00a0ATHENA\u00a0get the STRESS in Compound Advanced material\" \/>\n<meta property=\"og:url\" content=\"https:\/\/silvaco.com\/zh-hans\/simulation-standard-zh-hans\/can-athena-get-the-stress-in-compound-advanced-material\/\" \/>\n<meta property=\"og:site_name\" content=\"Silvaco\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SilvacoSoftware\/\" \/>\n<meta property=\"article:published_time\" content=\"2005-02-01T00:05:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-15T21:19:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/silvaco.com\/wp-content\/uploads\/simulationstandard\/simstd_feb_2005_hints.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1344\" \/>\n\t<meta property=\"og:image:height\" content=\"1669\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Casey Molver\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SilvacoSoftware\" \/>\n<meta name=\"twitter:site\" content=\"@SilvacoSoftware\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Casey Molver\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/zh-hans\\\/simulation-standard-zh-hans\\\/can-athena-get-the-stress-in-compound-advanced-material\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/zh-hans\\\/simulation-standard-zh-hans\\\/can-athena-get-the-stress-in-compound-advanced-material\\\/\"},\"author\":{\"name\":\"Casey Molver\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ja\\\/#\\\/schema\\\/person\\\/2763eb741ca5ac04477fdff50ed84c80\"},\"headline\":\"Can Athena get the STRESS in Compound Advanced material?\",\"datePublished\":\"2005-02-01T00:05:33+00:00\",\"dateModified\":\"2026-10-15T21:19:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/zh-hans\\\/simulation-standard-zh-hans\\\/can-athena-get-the-stress-in-compound-advanced-material\\\/\"},\"wordCount\":201,\"image\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/zh-hans\\\/simulation-standard-zh-hans\\\/can-athena-get-the-stress-in-compound-advanced-material\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/silvaco.com\\\/wp-content\\\/uploads\\\/simulationstandard\\\/simstd_feb_2005_hints.jpg\",\"articleSection\":[\"Simulation Standard\"],\"inLanguage\":\"zh-CN\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/zh-hans\\\/simulation-standard-zh-hans\\\/can-athena-get-the-stress-in-compound-advanced-material\\\/\",\"url\":\"https:\\\/\\\/silvaco.com\\\/zh-hans\\\/simulation-standard-zh-hans\\\/can-athena-get-the-stress-in-compound-advanced-material\\\/\",\"name\":\"Can Athena get the STRESS in Compound Advanced material? 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