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<!doctype html><html><head> <meta charset="utf-8"> <meta name="keywords" content=""> <meta name="description" content=""> <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover"><meta name="robots" content="index, follow" /> <link rel="shortcut icon" type="image/png" href="favicon.png"> <link rel="stylesheet" type="text/css" href="./css/bootstrap.min.css?2876"><link rel="stylesheet" type="text/css" href="style.css?5353"><link rel="stylesheet" type="text/css" href="./css/animate.min.css?4425"> <title>News-1</title> <!-- Analytics --> <!-- Analytics END --> </head><body><!-- Preloader --><div id="page-loading-blocs-notifaction" class="page-preloader"></div><!-- Preloader END --><!-- Main container --><div class="page-container"> <!-- bloc-0 --><div class="bloc none bgc-princeton-orange full-width-bloc" id="bloc-0"><div class="container bloc-sm bloc-no-padding-lg"><div class="row"><div class="col"><nav class="navbar navbar-light row navbar-expand-md" role="navigation"><a class="navbar-brand" href="index.html"><img src="img/logo.png" alt="logo" /></a><button id="nav-toggle" type="button" class="ml-auto ui-navbar-toggler navbar-toggler border-0 p-0" data-toggle="collapse" data-target=".navbar-21982" aria-expanded="false" aria-label="Toggle navigation"><span class="navbar-toggler-icon"></span></button><div class="navbar-content-area col"><h5 class="mg-lg float-lg-none h5-style tc-white">Indian Institute of Information Technology-Allahabad<br>भारतीय सूचना प्रौद्योगिकी संस्थान-इलाहाबाद<br></h5></div></nav></div></div></div></div><!-- bloc-0 END --><!-- bloc-1 --><div class="bloc l-bloc none" id="bloc-1"><div class="container bloc-sm bloc-no-padding-lg"><div class="row"><div class="col"><nav class="navbar row navbar-light navbar-expand-md" role="navigation"><button id="nav-toggle" type="button" class="ml-auto ui-navbar-toggler navbar-toggler border-0 p-0" data-toggle="collapse" data-target=".navbar-16243" aria-expanded="false" aria-label="Toggle navigation"><span class="navbar-toggler-icon"></span></button><div class="collapse navbar-collapse navbar-16243 col-lg-12"><ul class="site-navigation nav navbar-nav ml-auto"><li class="nav-item"><a href="index.html" class="nav-link ltc-black">Home</a></li><li class="nav-item"><a href="news.html" class="nav-link a-btn ltc-black">News</a></li><li class="nav-item"><a href="highlights.html" class="nav-link a-btn ltc-black">Highlights</a></li><li class="nav-item"><a href="people.html" class="nav-link a-btn ltc-black">People</a></li><li class="nav-item"><a href="publications_new.html" class="nav-link a-btn ltc-black">Publications</a></li><li class="nav-item"><a href="projects.html" class="nav-link a-btn ltc-black">Projects</a></li><li class="nav-item"><a href="research.html" class="nav-link a-btn ltc-black">Research</a></li><li class="nav-item"><a href="teaching.html" class="nav-link a-btn ltc-black">Teaching</a></li><li class="nav-item"><a href="online-tutorials.html" class="nav-link a-btn ltc-black">Online Tutorials</a></li><li class="nav-item"><a href="learning-resources.html" class="nav-link a-btn ltc-black">Learning Resourses</a></li><li class="nav-item"><a href="facilities.html" class="nav-link a-btn ltc-black">Facilities</a></li><li class="nav-item"><a href="outreach.html" class="nav-link a-btn ltc-black">Outreach</a></li></ul></div></nav></div></div></div></div><!-- bloc-1 END --><!-- bloc-2 --><div class="bloc bgc-dark-midnight-blue" id="bloc-2"><div class="container bloc-lg bloc-no-padding-lg"><div class="row"><div class="col"><h4 class="mg-md animDelay04 none animLoopInfinite h4-news--style animSpeedSlow animated fadeIn text-justify tc-white-2" data-appear-anim-style="fadeIn">News: Opening for SERB CRG JRF position. Click <a class="ltc-electric-yellow" href="downloads/Advt_JRF_sitangshu.pdf" target="_blank">here</a> from more information. Regular Ph.D. positions are advertised. Click <a class="ltc-electric-yellow" href="https://www.iiita.ac.in/downloads/announcements/uploads/FINAL%20Advertisement%20for%20PG_PhD%20Admission%20(2)891.pdf" target="_blank">here</a> for more details. </h4></div></div></div></div><!-- bloc-2 END --><!-- bloc-1 --><div class="bloc tc-black" id="bloc-1"><div class="container bloc-lg bloc-sm-lg"><div class="row row-style"><div class="col-lg-12"><h4 class="mg-md text-lg-center mx-auto d-block tc-black">Electronic Structure Theory Group</h4></div><div class="col-12"><h5 class="mg-md text-lg-center tc-ferrari-red"><strong>Highlights from our recent published works in two-dimensional nanostructure materials</strong></h5></div></div></div></div><!-- bloc-1 END --><!-- bloc-12 --><div class="bloc" id="bloc-12"><div class="container bloc-lg bloc-sm-lg"><div class="row"><div class="col"><img src="img/lazyload-ph.png" data-src="img/exct_NP.png" class="img-fluid mx-auto d-block lazyload" alt="exct_NP" /><h6 class="text-lg-center tc-black mg-clear">Exciton (electron surrounding a hole (black dot)) in 2D nitrogen phosphide.</h6></div></div></div></div><!-- bloc-12 END --><!-- bloc-11 --><div class="bloc full-width-bloc tc-black" id="bloc-11"><div class="container bloc-lg bloc-no-padding-lg"><div class="row"><div class="col"><p class="text-center p-style"><br></p></div></div><div class="row voffset"><div class="col-lg-3 col-md-6"><a href="#" data-lightbox="img/exc_NP.png" data-gallery-id="gallery-1"><img src="img/lazyload-ph.png" data-src="img/exc_NP.png" class="img-fluid mx-auto d-block lazyload" alt="placeholder image" /></a><p class="p-bloc-11-style text-lg-center">Optical electronic transitions in NP Monolayer. The weights are shown in red. ACS JPCC, 125, 12738 (2021)</p></div><div class="col-lg-3 col-md-6 mt-1 mt-md-0"><a href="#" data-lightbox="img/4.jpg" data-gallery-id="gallery-1"><img src="img/lazyload-ph.png" data-src="img/4.jpg" class="img-fluid mx-auto d-block lazyload" alt="placeholder image" /></a><p class="text-lg-center p-4-style">GaAs monolayer electronic LDA, G0W0 and phononic band-structures. PRB 101, 155132 (2020)</p></div><div class="col-lg-3 col-md-6 mt-1 mt-md-4 mt-lg-0"><a href="#" data-lightbox="img/BN_abs.png" data-gallery-id="gallery-1"><img src="img/lazyload-ph.png" data-src="img/BN_abs.png" class="img-fluid mx-auto d-block lazyload" alt="placeholder image" /></a><p class="text-lg-center p-5-style">Temperature dependent optical absorption spectra in monolayer hBN using the most accurate Bethe-Salpeter Equation theory. PRB 99, 165201 (2019)</p></div><div class="col-lg-3 col-md-6 mt-1 mt-md-4 mt-lg-0"><a href="#" data-lightbox="img/exciton_Wse2.png" data-gallery-id="gallery-1"><img src="img/lazyload-ph.png" data-src="img/exciton_Wse2.png" class="img-fluid mx-auto d-block lazyload" alt="placeholder image" /></a><p class="text-lg-center p-6-style">Temperature dependent oscillator strengths and excitonic line widths in WSe2 monolayer. PRB 98, 045143 (2018)</p></div></div></div></div><!-- bloc-11 END --><!-- bloc-6 --><div class="bloc" id="bloc-6"><div class="container bloc-lg bloc-sm-lg"><div class="row"><div class="col-12"><h4 class="h4-descriptions-style mg-clear tc-princeton-orange text-lg-center"><br></h4></div></div></div></div><!-- bloc-6 END --><!-- bloc-7 --><div class="bloc l-bloc" id="bloc-7"><div class="container bloc-lg"><div class="row"><div class="col-12"></div></div></div></div><!-- bloc-7 END --><!-- ScrollToTop Button --><a class="bloc-button btn btn-d scrollToTop" onclick="scrollToTarget('1',this)"><svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 32 32"><path class="scroll-to-top-btn-icon" d="M30,22.656l-14-13-14,13"/></svg></a><!-- ScrollToTop Button END--><!-- bloc-4 --><div class="bloc bgc-black l-bloc" id="bloc-4"><div class="container bloc-sm-lg"><div class="row bgc-black"><div class="col bgc-black"><h1 class="mg-md h1-style text-lg-center tc-electric-yellow">Website developed by Dr. Sitangshu Bhattacharya, ECE, IIITA (<i>sitangshu</i>[at]iiita.ac.in). Copyright@2021 Indian Institute of Information Technology-Allahabad, Uttar Pradesh 211 015, India</h1></div></div></div></div><!-- bloc-4 END --></div><!-- Main container END --> <!-- Additional JS --><script src="./js/jquery.min.js?2609"></script><script src="./js/bootstrap.bundle.min.js?9687"></script><script src="./js/blocs.min.js?670"></script><script src="./js/lazysizes.min.js" defer></script><!-- Additional JS END --></body></html>