{"id":11086,"date":"2020-11-24T09:01:26","date_gmt":"2020-11-24T09:01:26","guid":{"rendered":"http:\/\/onlineclassesguru.com\/index.php\/2020\/11\/24\/the-effects-of-one-hour-neutron-irradiation-on-bi-2223-superconductor\/"},"modified":"2020-11-24T09:01:26","modified_gmt":"2020-11-24T09:01:26","slug":"the-effects-of-one-hour-neutron-irradiation-on-bi-2223-superconductor","status":"publish","type":"post","link":"https:\/\/onlineclassesguru.com\/index.php\/2020\/11\/24\/the-effects-of-one-hour-neutron-irradiation-on-bi-2223-superconductor\/","title":{"rendered":"The Effects of One Hour Neutron Irradiation on Bi-2223 Superconductor"},"content":{"rendered":"<style type=\"text\/css\"><\/style><p>For introduction, discussion as well as the conclusion and recommendations should be written in active form. For the methodology part, it should be in description form and passive form. The images should be provided with a label (with reference) and description before the images. I\u2019ve done some of the parts but I need your help with the methodology and results &amp; discussions parts. I\u2019ll provide the results. Also, is it possible for me to ask you to edit on the other parts such as the introduction or the literature review ? On the whole, I need to have around 5\u00a0<a href=\"https:\/\/homeworkhandlers.com\/pages\/\">pages<\/a>\u00a0for the methodology, 11 pages for the results and discussions part (in addition to the current pages) and lastly 1 pages for the conclusion and recommendations (in addition to the current pages). It would be 17 pages in total.<\/p>\n<hr class=\"wp-block-separator\" \/>\n<p>Literature review;<br \/>\n1) Application of superconductors<br \/>\n2) Neutron irradiation on superconductors (flux pinning etc.)<br \/>\n3) BSSCO (Bi-2223)<br \/>\n4) Methods to determine the critical current temperature, Tc and critical current density, Jc<\/p>\n<h2>5) AC susceptibility of superconductors<\/h2>\n<p>Methodology;<br \/>\n1) sample synthesis using the solid-state method, co-precipitation method;<br \/>\nThe Bi1.6Pb0.4Sr2Ca2Cu3O\u03b4 sample preparation was done using solid state co-precipitation method (Pb is not doped but as booster); sample A (Bi-2223+acetic acid, blue solution, 60\u00b0C at 300 RPM) mixed with sample B (oxalic acid+isopropanol (480 ml)+deionized H2O (320), clear solution, 60\u00b0C at 300 rpm) in ice bath (ice to momentarily stop the reaction, 2\u00b0C-5\u00b0C. deep-blue). Next the solvent from the mixed samples were filtered using vacuum filum and dried at 80\u00b0C for 24 hours then grinding, calcined, sintering to form a pellet. The precursor powder was subjected to pre-calcination of 12 h at 840\u00b0C, followed by 24 h calcination at 845\u00b0C. The pelletized powder was sintered for 24, 48 and 100 h at 845\u00b0C.The pellet then exposed to thermal neutron irradiation for one, 1-hour.<\/p>\n<p>2) determine the critical current temperature, Tc and critical current density, Jc using four-probe point;<br \/>\nTc, Jc measurement using four-probe point \u2013 run for 3 hours | AC susceptibility (AC machine) \u2013 run for 6 hours<\/p>\n<p>3) identify the structural and phase formation between using the SEM graphics and XRD formation;<\/p>\n<h2>XRD analysis- the sample are grind until turns powder, refer to EVA software | SEM \u2013 determine the phase and structural formation<\/h2>\n<p>Results (based on the objectives no.):<br \/>\n2) neutron irradiation \u2192 introduce defect \u2192 result in high Tc \u2192 enhance flux pinning<\/p>\n<p>3) &gt; Tc formula (obtained Tc = 106 K nearly to dominance Bi-2223 Tc = 110K) at R = 0 ohm in superconducting state<br \/>\n&gt; Jc formula (Jc=Ic\/A, area=bar), function \u2013 transport (*Ic = Jc); Ic -transport current which the flow voltage clearly appear; in superconducting state (at 77K, current set to 10 mA\u219220 mA the voltage maintain at 0.35mV but once start to change, when increase at 220 mA that\u2019s the Ic used | 70K, current set to 220 mA | 30K, 400 mA | test from 77K until 30K 400 mA the maximum current can be applied)<br \/>\n*based on calculation using formula, expected the peak output (double peak\/phases) for Jc from Tc.<br \/>\n*difference transport current density and critical current density<\/p>\n<blockquote class=\"wp-block-quote\"><p>AC susceptibility (normalized, diamagnet); only to observe the peak and determine the phases; also to validate Tc and Jc in magnetic field, can find Jc as well<\/p><\/blockquote>\n<p>4) &gt; XRD \u2013 increase purity Bi-2223, determine phases which dominance (Bi-2122\/Bi-2223), pattern should be sharp not broad as need to be single, high purity<br \/>\n&gt; SEM \u2013 flaky<\/p>\n<p>@<\/p>\n<p>3(a) The critical current temperature, Tc is the temperature reached zero resistance (zero current); compare the critical temperature, Tc between the non-irradiated sample and one-hour irradiation<br \/>\n3(b) The critical current density, Jc of the one-hour irradiated Bi-2223 calculated using the current measured at a temperature range within 77K-30K and the area of the sample (measured current divided by area); discuss on the properties of the current density at each temperature and the highest Jc calculated is the critical current density.<br \/>\n3(c) Relating the critical current temperature in determining the AC susceptibility<\/p>\n<p>4(a) The structural and phase formation between the pure sample and one-hour irradiated Bi-2223; analyse the morphological structure for both conditions, based on SEM images and discuss the effect of one-hour irradiation on the characterization of the sample<br \/>\n4(b) Discuss on the XRD formation obtained with the purity of the superconductor.<\/p>\n<p>*compare between pure Bi-2223 and neutron irradiation for 1 hour<br \/>\n*future\u00a0<a href=\"https:\/\/homeworkhandlers.com\/works\/\">works<\/a>\u00a0\u2013 Bi-2223 tape<\/p>\n<p><center><a href=\"http:\/\/onlineclassesguru.com\/orders\/ordernow\"><img decoding=\"async\" src=\"https:\/\/encrypted-tbn0.gstatic.com\/images?q=tbn:ANd9GcTyj99p60XCLyLk1htB7-1neRt8-2QdnenNlQ&usqp=CAU\"target=\"_http:\/\/onlineclassesguru.com\/orders\/ordernow\"\/><\/center><p>","protected":false},"excerpt":{"rendered":"<p>For introduction, discussion as well as the conclusion and recommendations should be written in active form. For the methodology part, it should be in description form and passive form. The images should be provided with a label (with reference) and description before the images. I\u2019ve done some of the parts but I need your help&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-11086","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Effects of One Hour Neutron Irradiation on Bi-2223 Superconductor - onlineclassesguru<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/onlineclassesguru.com\/index.php\/2020\/11\/24\/the-effects-of-one-hour-neutron-irradiation-on-bi-2223-superconductor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Effects of One Hour Neutron Irradiation on Bi-2223 Superconductor - onlineclassesguru\" \/>\n<meta property=\"og:description\" content=\"For introduction, discussion as well as the conclusion and recommendations should be written in active form. 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