Ab Initio Study of Strain Effects on the Quasiparticle Bands and Effective Masses in Silicon
المؤلفون المشاركون
Bouhassoune, Mohammed
Schindlmayr, Arno
المصدر
Advances in Condensed Matter Physics
العدد
المجلد 2015، العدد 2015 (31 ديسمبر/كانون الأول 2015)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2015-02-15
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Using ab initio computational methods, we study the structural and electronic properties ofstrained silicon, which has emerged as a promising technology to improve the performance of silicon-basedmetal-oxide-semiconductor field-effect transistors.
In particular, higher electron mobilitiesare observed in n-doped samples with monoclinic strain along the [110] direction, and experimentalevidence relates this to changes in the effective mass as well as the scattering rates.
To assess therelative importance of these two factors, we combine density-functional theory in the local-densityapproximation with the G W approximation for the electronic self-energy and investigate the effectof uniaxial and biaxial strains along the [110] direction on the structural and electronic properties ofSi.
Longitudinal and transverse components of the electron effective mass as a function of the strainare derived from fits to the quasiparticle band structure and a diagonalization of the full effective-masstensor.
The changes in the effective masses and the energy splitting of the conduction-bandvalleys for uniaxial and biaxial strains as well as their impact on the electron mobility are analyzed.
The self-energy corrections within G W lead to band gaps in excellent agreement with experimentalmeasurements and slightly larger effective masses than in the local-density approximation.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Bouhassoune, Mohammed& Schindlmayr, Arno. 2015. Ab Initio Study of Strain Effects on the Quasiparticle Bands and Effective Masses in Silicon. Advances in Condensed Matter Physics،Vol. 2015, no. 2015, pp.1-8.
https://search.emarefa.net/detail/BIM-1052261
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Bouhassoune, Mohammed& Schindlmayr, Arno. Ab Initio Study of Strain Effects on the Quasiparticle Bands and Effective Masses in Silicon. Advances in Condensed Matter Physics No. 2015 (2015), pp.1-8.
https://search.emarefa.net/detail/BIM-1052261
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Bouhassoune, Mohammed& Schindlmayr, Arno. Ab Initio Study of Strain Effects on the Quasiparticle Bands and Effective Masses in Silicon. Advances in Condensed Matter Physics. 2015. Vol. 2015, no. 2015, pp.1-8.
https://search.emarefa.net/detail/BIM-1052261
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1052261
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر