کارگاه یک‌روزه طیف‌نگاری فوتون‌گسیلی پرتو ایکس سخت با استفاده از تابش سنکروترونی

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دوشنبه ۷ اسفند ۹۶ ۰۹:۰۰
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دوشنبه ۷ اسفند ۹۶ ۱۲:۰۰
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کارگاه یک‌روزه طیف‌نگاری فوتون‌گسیلی پرتو ایکس سخت با استفاده از تابش سنکروترونی
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۷ اسفند
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تمام شد

توضیحات بیشتر

There has been an enormous increase in the interest to understand the nature of interface states, following the discovery of a 2-dimensional metallic state at the interface of two highly insulating oxide materials, namely LaAlO3 and SrTiO3.

 Subsequent experiments have shown a large number of entirely unexpected properties associated with this 2-d system. Not only such esoteric cases, various 2-d interfacial states play crucial roles in a number of practical devices as well, including semiconductor nanomaterials with unusually high quantum efficiency for optical properties. Role of such buried interfaces can be investigated meaningfully only by a handful of techniques, with the most direct information extractable from Photoelectron spectroscopy.


I shall discuss some of the recently studied systems where the dominant property of the sample is controlled by such interfaces and present results that clarify the role of the interface in giving rise to such properties.

Specifically, I shall discuss two classes of systems, namely highly luminescent group II-VI semiconductor quantum dots and 2-dimensional heterostructures with an emphasis on LaAlO3/SrTiO3. If time permits, I shall also discuss LaTiO3/SrTiO3 heterostructures and magnetic tunnel junctions based on CoFeB/Mgo/CoFeB magnetic structures.


This will include the following two talks:

  1. Applications to 0-dimensional nanomaterials using medium to high energy photons; and
  2. Applications to 2-dimensional heterostructures with high energy photons.

سخنرانان

Prof. Dipankar Das Sarma

Prof. Dipankar Das Sarma

Solid State and Structural Chemistry Unit, Indian Institute of Science

Prof. Dipankar Das Sarma obtained his Integrated MSc degree in physics from IIT Kanpur in the year 1977 and Ph.D. from IISc Bangalore in 1982. Prof. Sarma started off his career as a research associate in IISc. He has worked as a guest scientist at Kernforschungsanlage, Germany, as a visiting Profes

مخاطبین

اساتید، دانشجویان و فارغ‌التحصیلان رشته‌های فیزیک، شیمی، علم مواد، فناوری نانو

آدرس:تهران بزرگراه ارتش - روبروی اراج - پژوهشگاه دانش‌های بنیادی

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