Sivas Cumhuriyet Universitesi: Recent submissions
Now showing items 2641-2660 of 14382
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Effects of intense laser field and position dependent effective mass in Razavy quantum wells and quantum dots
(2021)Using the effective mass and parabolic band approximations, we investigated the position-dependent effective mass and non-resonant intense laser field effects on the first and third-order corrections of the absorption and ... -
Zeeman splitting, Zeeman transitions and optical absorption of an electron confined in spherical quantum dots under the magnetic field
(2021)In this study, we present a detailed theoretical investigation of the effect of an externally applied magnetic field on the energy states 1s, 1p, 1d and 1f in the spherical quantum dot with finite and infinite confinement ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
(Elsevier, 13 July 20)In this work, we perform a theoretical investigation on the effect of position-dependent effective mass on binding energy and optical absorption coefficient for donor impurities in single and double quantum wells defined ... -
Shallow Donor Impurity States with Excitonic Contribution in GaAs/AlGaAs and CdTe/CdSe Truncated Conical Quantum Dots under Applied Magnetic Field
(MDPI, 25 October)Using the effective mass approximation in a parabolic two-band model, we studied the effects of the geometrical parameters, on the electron and hole states, in two truncated conical quantum dots: (i) GaAs-(Ga,Al)As in the ... -
Magneto-optical properties of impurity associated photoionization cross-section in laser-driven delta-doped quantum wires
(27 July 20)Within the structure of parabolic band and effective-mass approximations, the effects of magnetic and intense terahertz laser fields on the donor impurity-associated photoionization cross-section and nonlinear optical properties ... -
Effect of intense laser and electric fields on nonlinear optical properties of cylindrical quantum dot with Morse potential
(4 March 20)In this study, the influence of the external electric field on the nonlinear optical properties of a laser dressed cylindrical quantum dot with axial Morse potential are theoretically investigated using the total optical ... -
Optical properties of a triple AlGaAs/GaAs quantum well purported for quantum cascade laser active region
(3 December)A theoretical investigation on the conduction electron states in a triple inverse parabolic AlGaAs/GaAs quantum well, designed in the spirit of the active region for a quantum cascade laser, is performed. The study includes ... -
Theoretical investigation of linear and nonlinear optical properties in an heterostructure based on triple parabolic barriers: Effects of external fields
(7 January )In this work, we have investigated theoretically the impact of intense laser, electric and magnetic fields on the linear and nonlinear optical properties of a quantum well heterostructure containing triple parabolic ... -
Influence of applied external fields on the nonlinear optical properties of a semi-infinite asymmetric AlxGa1-xAs/GaAs quantum well
(3 November)The asymmetric potential profiles are of great interest from the nonlinear optical properties point of view for semiconductor devices. The reason for this statement is because the existing theories on nonlinear ... -
Optical properties of a quantum well with Razavy confinement potential: Role of applied external fields
(29 july 20)In this present work, the effect of applied external fields and well width on the optical absorption and refractive index change coefficient of a GaAs quantum well with Razavy confinement potential is theoretically presented. ... -
Numerical simulation of linear and nonlinear optical properties in heterostructure based on triple Gaussian quantum wells: effects of applied external fields and structural parameters
(31 August )In this work, we present a theoretical simulation of the impact of applied external fields and structural parameters on the total (linear plus nonlinear) optical absorption coefficient (TOAC) and total refractive relative ... -
Control of electronic and optical properties of a laser dressed double quantum dot molecule by lateral electric field
(15 August )We study the confined states of a molecule formed by two laterally coupled quantum dots. The static electric field and incident plane wave laser field are considered with different polarization. The respective Shr¨odinger ... -
Combined effects of electric, magnetic, and intense terahertz laser fields on the nonlinear optical properties in GaAs/GaAlAs quantum well with exponentially confinement potential
(23 Novembe)We are presenting a theoretical investigation on the effects of applied electric, magnetic, and non-resonant intense laser field on the coefficients of intersubband linear, third-order nonlinear, and total optical ... -
The effect of impurity position and doping concentration on the binding energies and total optical absorption coefficients in a δ-doped quantum well
(Springer, 08 April 2)In this present work, for different impurity position and ionized doping concentrations, we have theoretically investigated the linear, third-order nonlinear, and total optical absorption coefficients corresponding to ... -
Türkiye’de Sosyal Belediyecilik: Kayseri Büyükşehir Belediyesi Örneği
(Sivas Cumhuriyet Üniversitesi-Sosyal Bilimler Enstitüsü, 2018)Ülkemizde yerel yönetim birimi olarak İl Özel İdareleri, Belediyeler ve Köyler vardır. Bunlardan hem idari hem de bütçe açısında en işlevsel olanı belediyelerdir. 1960 Anayasasında “sosyal devlet” kavramının yer alması ... -
Evde Bakım Ödeneğinin 65 Yaş Üstü Yaşlıların Yaşam Kalitesine Etkisinin İncelenmesi: (Adıyaman Örneği)
(Sivas Cumhuriyet Üniversitesi-Sosyal Bilimler Enstitüsü, 2019)Bu çalışma, Adıyaman ilinde evde bakım hizmeti alan 65 yaş ve üstü yaşlıların bakımı için bakıcılarına ödenen evde bakım ödeneğinin yaşam kalitesine etkisini belirlemek amacıyla gerçekleştirilmiştir. Araştırma, Adıyaman ... -
Behram Paşa Hanı Ve Restorasyonu
(Sivas Cumhuriyet Üniversitesi-Sosyal Bilimler Enstitüsü, 2019)İslamiyet sonrası Türk devletleri yerleşik hayatın gereklilikleri için, kendi bünyesi ve coğrafyasında barındırdıkları insanların ihtiyaçları doğrultusunda imar faaliyetlerinde bulunmuşlardır. Özellikle Osmanlı İmparatorluğu, ... -
Divriği Kalesi Kazısı Metal Buluntuları (2006-2018)
(Sivas Cumhuriyet Üniversitesi-Sosyal Bilimler Enstitüsü, 2019)Divriği Kalesi’nde, 2006-2018 yılları arasındaki kazılarda bulunan metal eserlerin incelenmesine yönelik bu çalışmada, çoğu günlük yaşamda kullanılmış ve çivi, nal gibi yerel atölyelerin ürünü olan buluntuların ... -
İslam Tasvirlerinden Örneklerle Melek İkonografisi-(XII.-XV. Yüzyıl)
(Sivas Cumhuriyet Üniversitesi-Sosyal Bilimler Enstitüsü, 2018)İslam sanatında melek figürü tıpkı Hıristiyan sanatında olduğu gibi önemli bir yer kaplamaktadır. Araştırılan el yazmalarında da birçok melek örneği vardır. Bu figürleri detaylı bir biçimde ele alınıp sahneleri ve ikonografisi ... -
Yahyalılı Hacı Hasan Efendi'nin Hayatı,Eserleri ve Tasavvufî Görüşleri
(Sivas Cumhuriyet Üniversitesi - Sosyal Bilimler Enstitüsü, 2018)Bu tezin konusu 1914 yılında Yahyalı’da dünyaya gelmiş, 1987 yılında Kayseri’de vefat etmiş, tasavvufî ve ilmî kişiliğiyle yakın tarihimizde ilmî, ictimâi ve kültürel alanlarda derin izler bırakmış olan Yahyalılı Hacı Hasan ...