<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1794-1237</journal-id>
<journal-title><![CDATA[Revista EIA]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.EIA.Esc.Ing.Antioq]]></abbrev-journal-title>
<issn>1794-1237</issn>
<publisher>
<publisher-name><![CDATA[Escuela de ingenieria de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-12372020000200349</article-id>
<article-id pub-id-type="doi">10.24050/reia.v17i34.1425</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectos geométricos sobre las propiedades electrónicas y ópticas de puntos cuánticos cónicos de GaN]]></article-title>
<article-title xml:lang="en"><![CDATA[Geometric Effects on the Electronic and Optical Properties of GaN Conical Quantum Dots]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paredes-Caicedo]]></surname>
<given-names><![CDATA[Dahana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osorio-Henao]]></surname>
<given-names><![CDATA[John Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vinasco-Suárez]]></surname>
<given-names><![CDATA[Juan Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Aramburo]]></surname>
<given-names><![CDATA[Alvaro Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque-Echeverri]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia UdeA Grupo de Materia Condensada-UdeA, Instituto de Física Facultad de Ciencias Exactas y Naturales]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>17</volume>
<numero>34</numero>
<fpage>349</fpage>
<lpage>361</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-12372020000200349&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-12372020000200349&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-12372020000200349&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Haciendo uso de la aproximación de masa efectiva y de cálculos numéricos con el método de elementos finitos, se reportan las propiedades ópticas y electrónicas de un electrón confinado en un punto cuántico de GaN, en forma de sector cónico esférico. Se reportan los estados electrónicos, el cuadrado del momento de dipolo y los coeficientes de absorción óptica y de cambios en el índice de refracción como funciones del radio y del ángulo apical de la estructura. Del estudio se puede concluir que: i) elecciones adecuadas del ángulo apical y del radio del punto cuántico pueden dar origen a magnificaciones en las propiedades ópticas y ii) corrimientos al rojo de las estructuras resonantes de las propiedades ópticas se asocian claramente con el aumento tanto del ángulo apical como del radio de la estructura.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Using the effective mass approximation and finite element method numerical calculations, optical, and electronic properties of an electron confined in a GaN quantum dot are reported for a spherical conical sector. Electronic states, the square of the dipole moment, optical absorption coefficients, and changes in the refractive index are reported as functions of the radius and the apical angle of the structure. From the study it can be concluded that: i) suitable choices of the apical angle and the radius of the quantum dot can give rise to magnifications in the optical properties and ii) redshifts of the resonant structures of the optical properties are clearly associated with the increase in both the apical angle and the radius of the structure.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[puntos cuánticos cónicos]]></kwd>
<kwd lng="es"><![CDATA[espectro electrónico]]></kwd>
<kwd lng="es"><![CDATA[coeficiente de absorción óptica]]></kwd>
<kwd lng="es"><![CDATA[coeficiente de cambios relativos en el índice de refracción]]></kwd>
<kwd lng="en"><![CDATA[conical quantum dots]]></kwd>
<kwd lng="en"><![CDATA[electronic spectrum]]></kwd>
<kwd lng="en"><![CDATA[optical absorption coefficient]]></kwd>
<kwd lng="en"><![CDATA[refractive index relative changes coefficient]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avazzadeh]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Bahramiyan]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Khordad]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mohammadi]]></surname>
<given-names><![CDATA[S. A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diamagnetic Suscep tibility of an Off-Center Hydrogenic Donor in Pyramid-Like and Cone-Like Quantum Dots]]></article-title>
<source><![CDATA[Eur. Phys. J. Plus]]></source>
<year>2016</year>
<volume>131</volume>
<numero>121</numero>
<issue>121</issue>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Çak&#305;r]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Yakar]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Özmen]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Refractive Index Changes and Absorption Coefficients in a Spherical Quantum Dot with Parabolic Potential]]></article-title>
<source><![CDATA[J. Lumin]]></source>
<year>2012</year>
<volume>132</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>2659-64</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<collab>COMSOL Multiphysics</collab>
<source><![CDATA[COMSOL AB]]></source>
<year></year>
<publisher-loc><![CDATA[Stockholm, Sweden ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dezhkam]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zakery]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exact Investigation of the Electronic Structure and the Lin ear and Nonlinear Optical Properties of Conical Quantum Dots]]></article-title>
<source><![CDATA[Chin. Opt. Lett]]></source>
<year>2012</year>
<volume>10</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1-4</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gil-Corrales]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Restrepo]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora-Ramos]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Donor-Impurity-Related Optical Response and Electron Raman Scattering in GaAs Cone- Like Quantum Dots.]]></article-title>
<source><![CDATA[Physica B]]></source>
<year>2017</year>
<numero>507</numero>
<issue>507</issue>
<page-range>76-83</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hiruma]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Haraguchi]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Yazawa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Madokoro]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Katsuyama]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nanometre-Sized GaAs Wires Grown by Organo-Metallic Vapour-Phase Epitaxy]]></article-title>
<source><![CDATA[Nanotechnology]]></source>
<year>2006</year>
<volume>17</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>S369-75</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Iqraoun]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sali]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rezzouk]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Feddi]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Dujardin]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora-Ramos]]></surname>
<given-names><![CDATA[M. E]]></given-names>
</name>
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[C. A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Donor Impurity-Related Photoionization Cross Section in GaAs Cone-Like Quantum Dots Under Applied Electric Field]]></article-title>
<source><![CDATA[Philosophical Magazine]]></source>
<year>2017</year>
<volume>97</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>1445-63</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kanyinda-Malu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interface Phonon Modes in Truncated Conical Self-As sembled Quantum Dots]]></article-title>
<source><![CDATA[Surf. Sci]]></source>
<year>2003</year>
<volume>529</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>503-14</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khordada]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Bahramiyanb]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optical Properties of a GaAs Cone-Like Quantum Dot: Second and Third-Harmonic Generation]]></article-title>
<source><![CDATA[Opt. Spectrosc]]></source>
<year>2014</year>
<volume>117</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>447-52</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lelong]]></surname>
<given-names><![CDATA[Ph.]]></given-names>
</name>
<name>
<surname><![CDATA[Bastard]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Binding Energies of Excitons and Charged Excitons in GaAsGa(In)As Quantum Dots.]]></article-title>
<source><![CDATA[Solid State Commun]]></source>
<year>1996</year>
<volume>98</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>819-23</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Voskoboynikov]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[C. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Sze]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tretyak]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electron Energy State De pendence on the Shape and Size of Semiconductor Quantum Dots]]></article-title>
<source><![CDATA[J. Appl. Phys]]></source>
<year>2001</year>
<volume>90</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>6416-20</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ngo]]></surname>
<given-names><![CDATA[C. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yoon]]></surname>
<given-names><![CDATA[S. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[W. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chua]]></surname>
<given-names><![CDATA[S. J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of Size and Shape on Electronic States of Quantum Dots.]]></article-title>
<source><![CDATA[Phys. Rev. B,]]></source>
<year>2006</year>
<volume>74</volume>
<numero>24</numero>
<issue>24</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nguyen]]></surname>
<given-names><![CDATA[C. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Hieu]]></surname>
<given-names><![CDATA[N. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Poklonski]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ilyasov]]></surname>
<given-names><![CDATA[V. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Hieu]]></surname>
<given-names><![CDATA[N. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Dinh]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Quang]]></surname>
<given-names><![CDATA[Q. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Tung]]></surname>
<given-names><![CDATA[L. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Phuc]]></surname>
<given-names><![CDATA[H. V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Linear and Nonlinear Magneto-Optical Absorption Coefficients and Refractive Index Changes in Graphene]]></article-title>
<source><![CDATA[Opt. Mater.,]]></source>
<year>2017</year>
<numero>69</numero>
<issue>69</issue>
<page-range>328-32</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Niculescu]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Tiriba]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Spandonide]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optical Absorption in Pyramid-Shaped Quan tum Dots Under Applied Electric and Magnetic Fields]]></article-title>
<source><![CDATA[U.P.B. Sci. Bull]]></source>
<year>2015</year>
<volume>77</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>229-40</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rezaei]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Karimi]]></surname>
<given-names><![CDATA[M.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pakarzadeh]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Magnetic Field Effects on the Electron Raman Scattering in Coaxial Cylindrical Quantum Well Wires]]></article-title>
<source><![CDATA[J. Lumin]]></source>
<year>2013</year>
<page-range>551-7</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
