Cathodoluminescence study on in composition inhomogeneity of thick InGaN layer
Identifieur interne : 000C23 ( Chine/Analysis ); précédent : 000C22; suivant : 000C24Cathodoluminescence study on in composition inhomogeneity of thick InGaN layer
Auteurs : RBID : Pascal:10-0373141Descripteurs français
- Pascal (Inist)
- Cathodoluminescence, Couche épaisse, Propriété optique, Couche mince, Semiconducteur III-V, Composé III-V, Croissance latérale, Relaxation contrainte, Propriété mécanique, Déplacement raie, Déplacement vers le rouge, Fluctuation, Formation image, Diffraction RX, Nitrure de gallium, Nitrure d'indium, Méthode MOCVD, InGaN, GaN, 7860H, 7866, 8105E, 6855A.
English descriptors
- KwdEn :
Abstract
We have investigated the optical properties of thick InGaN film grown on GaN by cathodeluminescence (CL) spectroscopy. It is found that there is obvious In composition variation in both growth and lateral direction of InGaN film. The depth distribution of In composition is closely related to the strain relaxation process of InGaN film. Accompanied with the relaxation of compressive strain, the In composition of InGaN layer increases and the CL peak energy shifts towards red. Moreover, a rather apparent In composition fluctuation is found in the relaxed upper part of InGaN layer as confirmed by CL imaging.
Links toward previous steps (curation, corpus...)
- to stream Main, to step Corpus: 004112
- to stream Main, to step Repository: 004622
- to stream Chine, to step Extraction: 000C23
Links to Exploration step
Pascal:10-0373141Le document en format XML
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<author><name sortKey="Wang, H" uniqKey="Wang H">H. Wang</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
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<author><name sortKey="Jiang, D S" uniqKey="Jiang D">D. S. Jiang</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
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<author><name sortKey="Jahn, U" uniqKey="Jahn U">U. Jahn</name>
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<author><name sortKey="Zhu, J J" uniqKey="Zhu J">J. J. Zhu</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
<s2>Beijing 100083</s2>
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<author><name sortKey="Zhao, D G" uniqKey="Zhao D">D. G. Zhao</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
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<author><name sortKey="Liu, Z S" uniqKey="Liu Z">Z. S. Liu</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
<s2>Beijing 100083</s2>
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<author><name sortKey="Zhang, S M" uniqKey="Zhang S">S. M. Zhang</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
<s2>Beijing 100083</s2>
<s3>CHN</s3>
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<placeName><settlement type="city">Pékin</settlement>
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<author><name sortKey="Yang, H" uniqKey="Yang H">H. Yang</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences</s1>
<s2>Suzhou 215123</s2>
<s3>CHN</s3>
<sZ>8 aut.</sZ>
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<country>République populaire de Chine</country>
<wicri:noRegion>Suzhou 215123</wicri:noRegion>
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<publicationStmt><idno type="inist">10-0373141</idno>
<date when="2010">2010</date>
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<idno type="RBID">Pascal:10-0373141</idno>
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<seriesStmt><idno type="ISSN">0040-6090</idno>
<title level="j" type="abbreviated">Thin solid films</title>
<title level="j" type="main">Thin solid films</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cathodoluminescence</term>
<term>Fluctuations</term>
<term>Gallium nitride</term>
<term>III-V compound</term>
<term>III-V semiconductors</term>
<term>Imaging</term>
<term>Indium nitride</term>
<term>Lateral growth</term>
<term>MOCVD</term>
<term>Mechanical properties</term>
<term>Optical properties</term>
<term>Red shift</term>
<term>Spectral line shift</term>
<term>Stress relaxation</term>
<term>Thick films</term>
<term>Thin films</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Cathodoluminescence</term>
<term>Couche épaisse</term>
<term>Propriété optique</term>
<term>Couche mince</term>
<term>Semiconducteur III-V</term>
<term>Composé III-V</term>
<term>Croissance latérale</term>
<term>Relaxation contrainte</term>
<term>Propriété mécanique</term>
<term>Déplacement raie</term>
<term>Déplacement vers le rouge</term>
<term>Fluctuation</term>
<term>Formation image</term>
<term>Diffraction RX</term>
<term>Nitrure de gallium</term>
<term>Nitrure d'indium</term>
<term>Méthode MOCVD</term>
<term>InGaN</term>
<term>GaN</term>
<term>7860H</term>
<term>7866</term>
<term>8105E</term>
<term>6855A</term>
</keywords>
</textClass>
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<front><div type="abstract" xml:lang="en">We have investigated the optical properties of thick InGaN film grown on GaN by cathodeluminescence (CL) spectroscopy. It is found that there is obvious In composition variation in both growth and lateral direction of InGaN film. The depth distribution of In composition is closely related to the strain relaxation process of InGaN film. Accompanied with the relaxation of compressive strain, the In composition of InGaN layer increases and the CL peak energy shifts towards red. Moreover, a rather apparent In composition fluctuation is found in the relaxed upper part of InGaN layer as confirmed by CL imaging.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Cathodoluminescence study on in composition inhomogeneity of thick InGaN layer</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>WANG (H.)</s1>
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<fA11 i1="02" i2="1"><s1>JIANG (D. S.)</s1>
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<fA11 i1="03" i2="1"><s1>JAHN (U.)</s1>
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<fA11 i1="04" i2="1"><s1>ZHU (J. J.)</s1>
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<fA11 i1="05" i2="1"><s1>ZHAO (D. G.)</s1>
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<fA11 i1="06" i2="1"><s1>LIU (Z. S.)</s1>
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<fA11 i1="07" i2="1"><s1>ZHANG (S. M.)</s1>
</fA11>
<fA11 i1="08" i2="1"><s1>YANG (H.)</s1>
</fA11>
<fA14 i1="01"><s1>State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Science, PO Box 912</s1>
<s2>Beijing 100083</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
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<sZ>4 aut.</sZ>
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<fA14 i1="02"><s1>Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7</s1>
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<s3>DEU</s3>
<sZ>3 aut.</sZ>
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<fA14 i1="03"><s1>Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences</s1>
<s2>Suzhou 215123</s2>
<s3>CHN</s3>
<sZ>8 aut.</sZ>
</fA14>
<fA20><s1>5028-5031</s1>
</fA20>
<fA21><s1>2010</s1>
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<fA23 i1="01"><s0>ENG</s0>
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<fA43 i1="01"><s1>INIST</s1>
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<fA60><s1>P</s1>
<s3>CR</s3>
</fA60>
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<fA64 i1="01" i2="1"><s0>Thin solid films</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>We have investigated the optical properties of thick InGaN film grown on GaN by cathodeluminescence (CL) spectroscopy. It is found that there is obvious In composition variation in both growth and lateral direction of InGaN film. The depth distribution of In composition is closely related to the strain relaxation process of InGaN film. Accompanied with the relaxation of compressive strain, the In composition of InGaN layer increases and the CL peak energy shifts towards red. Moreover, a rather apparent In composition fluctuation is found in the relaxed upper part of InGaN layer as confirmed by CL imaging.</s0>
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<fC02 i1="04" i2="3"><s0>001B80A15A</s0>
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<fC03 i1="01" i2="3" l="FRE"><s0>Cathodoluminescence</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Cathodoluminescence</s0>
<s5>01</s5>
</fC03>
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<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Thick films</s0>
<s5>02</s5>
</fC03>
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<s5>03</s5>
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<s5>03</s5>
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<s5>04</s5>
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<s5>04</s5>
</fC03>
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<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>III-V semiconductors</s0>
<s5>05</s5>
</fC03>
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<s5>06</s5>
</fC03>
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<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Compuesto III-V</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Croissance latérale</s0>
<s5>07</s5>
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<fC03 i1="07" i2="X" l="ENG"><s0>Lateral growth</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Crecimiento lateral</s0>
<s5>07</s5>
</fC03>
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<s5>08</s5>
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<fC03 i1="08" i2="3" l="ENG"><s0>Stress relaxation</s0>
<s5>08</s5>
</fC03>
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<s5>09</s5>
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<s5>09</s5>
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<s5>10</s5>
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<s5>10</s5>
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<s5>11</s5>
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<s5>11</s5>
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<fC03 i1="12" i2="3" l="FRE"><s0>Fluctuation</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG"><s0>Fluctuations</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>Formation image</s0>
<s5>13</s5>
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<s5>13</s5>
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<s5>14</s5>
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<s5>14</s5>
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<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Gallium nitride</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Galio nitruro</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Nitrure d'indium</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Indium nitride</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Indio nitruro</s0>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE"><s0>Méthode MOCVD</s0>
<s5>29</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG"><s0>MOCVD</s0>
<s5>29</s5>
</fC03>
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<s4>INC</s4>
<s5>46</s5>
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<fC03 i1="19" i2="3" l="FRE"><s0>GaN</s0>
<s4>INC</s4>
<s5>47</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>7860H</s0>
<s4>INC</s4>
<s5>71</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE"><s0>7866</s0>
<s4>INC</s4>
<s5>72</s5>
</fC03>
<fC03 i1="22" i2="3" l="FRE"><s0>8105E</s0>
<s4>INC</s4>
<s5>73</s5>
</fC03>
<fC03 i1="23" i2="3" l="FRE"><s0>6855A</s0>
<s4>INC</s4>
<s5>74</s5>
</fC03>
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</fN21>
<fN44 i1="01"><s1>OTO</s1>
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