Stark effect-dependent of ground-state donor binding energy in InGaN/GaN parabolic QWW
Identifieur interne : 000497 ( Main/Repository ); précédent : 000496; suivant : 000498Stark effect-dependent of ground-state donor binding energy in InGaN/GaN parabolic QWW
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Abstract
Using the finite-difference method within the quasi-one-dimensional effective potential model and effective mass approximation, the ground-state binding energy of hydrogenic shallow-donor impurity in wurtzite (WZ) (In,Ga)N/GaN parabolic transversal-section quantum-well wires (PQWWs) subjected to external electric field is investigated. An effective radius of a cylindrical QWW describing the strength of the lateral confinement is introduced. The results show that (i) the position of the largest electron probability density in x-y plane is located at a point and it is pushed along the negative sense by the electric field directed along the positive sense, (ii) the ground-state binding energy is largest for the impurity located at this point and starts to decrease when the impurity is away from this point, (iii) the ground-state binding energy decreases with increase in the external electric field and effective radius, and (iv) the Stark-shift increases with the increase of the external electric field and the effective radius.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Stark effect-dependent of ground-state donor binding energy in InGaN/GaN parabolic QWW</title><author><name sortKey="El Ghazi, Haddou" uniqKey="El Ghazi H">Haddou El Ghazi</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</s1><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Specials Mathematics, CPGE Kénitra, Chakib Arsalane Street</s1><s3>MAR</s3><sZ>1 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Specials Mathematics, CPGE Kénitra, Chakib Arsalane Street</wicri:noRegion></affiliation></author><author><name sortKey="Zorkani, Izeddine" uniqKey="Zorkani I">Izeddine Zorkani</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</s1><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</wicri:noRegion></affiliation></author><author><name sortKey="Jorio, Anouar" uniqKey="Jorio A">Anouar Jorio</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</s1><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0120401</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0120401 INIST</idno><idno type="RBID">Pascal:13-0120401</idno><idno type="wicri:Area/Main/Corpus">001114</idno><idno type="wicri:Area/Main/Repository">000497</idno></publicationStmt><seriesStmt><idno type="ISSN">0921-4526</idno><title level="j" type="abbreviated">Physica, B Condens. matter</title><title level="j" type="main">Physica. B, Condensed matter</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binding energy</term><term>Defect states</term><term>Donor center</term><term>Effective mass model</term><term>Effective potential</term><term>Finite difference method</term><term>Gallium Indium Nitrides Mixed</term><term>Gallium nitride</term><term>Ground states</term><term>H-like ions</term><term>Probability density</term><term>Quantum wires</term><term>Shallow level</term><term>Stark effect</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Effet Stark</term><term>Etat fondamental</term><term>Etat défaut</term><term>Energie liaison</term><term>Méthode différence finie</term><term>Potentiel effectif</term><term>Modèle masse effective</term><term>Gallium Indium Nitrure Mixte</term><term>Densité probabilité</term><term>Niveau peu profond</term><term>Centre donneur</term><term>Nitrure de gallium</term><term>Ion hydrogénoïde</term><term>Fil quantique</term><term>InGaN</term><term>GaN</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Using the finite-difference method within the quasi-one-dimensional effective potential model and effective mass approximation, the ground-state binding energy of hydrogenic shallow-donor impurity in wurtzite (WZ) (In,Ga)N/GaN parabolic transversal-section quantum-well wires (PQWWs) subjected to external electric field is investigated. An effective radius of a cylindrical QWW describing the strength of the lateral confinement is introduced. The results show that (i) the position of the largest electron probability density in x-y plane is located at a point and it is pushed along the negative sense by the electric field directed along the positive sense, (ii) the ground-state binding energy is largest for the impurity located at this point and starts to decrease when the impurity is away from this point, (iii) the ground-state binding energy decreases with increase in the external electric field and effective radius, and (iv) the Stark-shift increases with the increase of the external electric field and the effective radius.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0921-4526</s0></fA01><fA03 i2="1"><s0>Physica, B Condens. matter</s0></fA03><fA05><s2>412</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Stark effect-dependent of ground-state donor binding energy in InGaN/GaN parabolic QWW</s1></fA08><fA11 i1="01" i2="1"><s1>EL GHAZI (Haddou)</s1></fA11><fA11 i1="02" i2="1"><s1>ZORKANI (Izeddine)</s1></fA11><fA11 i1="03" i2="1"><s1>JORIO (Anouar)</s1></fA11><fA14 i1="01"><s1>LPS, Faculty of Sciences, Dhar El Mehrez, B.P 1796 Atlas Fes</s1><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="02"><s1>Specials Mathematics, CPGE Kénitra, Chakib Arsalane Street</s1><s3>MAR</s3><sZ>1 aut.</sZ></fA14><fA20><s1>87-90</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>145B</s2><s5>354000182566030180</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>33 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0120401</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Physica. B, Condensed matter</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Using the finite-difference method within the quasi-one-dimensional effective potential model and effective mass approximation, the ground-state binding energy of hydrogenic shallow-donor impurity in wurtzite (WZ) (In,Ga)N/GaN parabolic transversal-section quantum-well wires (PQWWs) subjected to external electric field is investigated. An effective radius of a cylindrical QWW describing the strength of the lateral confinement is introduced. The results show that (i) the position of the largest electron probability density in x-y plane is located at a point and it is pushed along the negative sense by the electric field directed along the positive sense, (ii) the ground-state binding energy is largest for the impurity located at this point and starts to decrease when the impurity is away from this point, (iii) the ground-state binding energy decreases with increase in the external electric field and effective radius, and (iv) the Stark-shift increases with the increase of the external electric field and the effective radius.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70C21H</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Effet Stark</s0><s5>02</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Stark effect</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Etat fondamental</s0><s5>03</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Ground states</s0><s5>03</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Etat défaut</s0><s5>04</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Defect states</s0><s5>04</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Energie liaison</s0><s5>05</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Binding energy</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Méthode différence finie</s0><s5>06</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Finite difference method</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Potentiel effectif</s0><s5>07</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Effective potential</s0><s5>07</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Potencial efectivo</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Modèle masse effective</s0><s5>09</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Effective mass model</s0><s5>09</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Modelo masa efectiva</s0><s5>09</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Gallium Indium Nitrure Mixte</s0><s2>NC</s2><s2>NA</s2><s5>11</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Gallium Indium Nitrides Mixed</s0><s2>NC</s2><s2>NA</s2><s5>11</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Mixto</s0><s2>NC</s2><s2>NA</s2><s5>11</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Densité probabilité</s0><s5>12</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Probability density</s0><s5>12</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Densidad probabilidad</s0><s5>12</s5></fC03><fC03 i1="10" i2="X" l="FRE"><s0>Niveau peu profond</s0><s5>13</s5></fC03><fC03 i1="10" i2="X" l="ENG"><s0>Shallow level</s0><s5>13</s5></fC03><fC03 i1="10" i2="X" l="SPA"><s0>Nivel poco profundo</s0><s5>13</s5></fC03><fC03 i1="11" i2="X" l="FRE"><s0>Centre donneur</s0><s5>14</s5></fC03><fC03 i1="11" i2="X" l="ENG"><s0>Donor center</s0><s5>14</s5></fC03><fC03 i1="11" i2="X" l="SPA"><s0>Centro dador</s0><s5>14</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Nitrure de gallium</s0><s5>15</s5></fC03><fC03 i1="12" i2="X" l="ENG"><s0>Gallium nitride</s0><s5>15</s5></fC03><fC03 i1="12" i2="X" l="SPA"><s0>Galio nitruro</s0><s5>15</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Ion hydrogénoïde</s0><s5>17</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>H-like ions</s0><s5>17</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Fil quantique</s0><s5>19</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Quantum wires</s0><s5>19</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>InGaN</s0><s4>INC</s4><s5>52</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>GaN</s0><s4>INC</s4><s5>53</s5></fC03><fN21><s1>098</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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