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Indium nitride
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<h2 id="superconductivity">Superconductivity</h2> <p>Thin polycrystalline films of indium nitride can be highly conductive and even <a href="/facts/Superconductive/pqQAlSzJ">superconductive</a> at <a href="/facts/Liquid_helium/JYXCAcDf">liquid helium</a> temperatures. The superconducting transition temperature <i>T</i>c depends on each sample's film structure and carrier density and varies from 0 K to about 3 K.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a><a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> With magnesium doping, the <i>T</i>c can be 3.97 K.<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> The superconductivity persists under high magnetic field (few teslas), that differs from superconductivity in In metal which is quenched by fields of only 0.03 tesla. Nevertheless, the superconductivity is attributed to metallic indium chains<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a> or nanoclusters, where the small size increases the critical magnetic field according to the <a href="/facts/Ginzburg%E2%80%93Landau_theory/VAHPgSzY">Ginzburg–Landau theory</a>.<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Indium(III)_oxide/S5wHB48A">Indium(III) oxide</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.ioffe.ru/SVA/NSM/Semicond/InN/">"InN – Indium nitride"</a>. <i>Semiconductors on NSM</i>. Fiziko-tekhnichesky institut imeni A. F. Ioffe. n.d. Retrieved 2019-12-29.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Nanishi, Y.; Araki, T.; Yamaguchi, T. (2010). "Molecular-beam epitaxy of InN". In Veal, T. D.; McConville, C. F.; Schaff, W. J. (eds.). Indium Nitride and Related Alloys. CRC Press. p. 31. ISBN 978-1-138-11672-6. <a href="978-1-138-11672-6" target="_blank">978-1-138-11672-6</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Yim, J. W. L.; Wu, J. (2010). "Optical properties of InN and related alloys". In Veal, T. D.; McConville, C. F.; Schaff, W. J. (eds.). Indium Nitride and Related Alloys. CRC Press. p. 266. ISBN 978-1-138-11672-6. <a href="978-1-138-11672-6" target="_blank">978-1-138-11672-6</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Christen, Jürgen; Gil, Bernard (2014). "Group III nitrides". Physica Status Solidi C. 11 (2): 238. Bibcode:2014PSSCR..11..238C. doi:10.1002/pssc.201470041. <a href="https://doi.org/10.1002%2Fpssc.201470041" target="_blank">https://doi.org/10.1002%2Fpssc.201470041</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Monemar, B.; Paskov, P. P.; Kasic, A. (2005-07-01). "Optical properties of InN—the bandgap question". Superlattices and Microstructures. 38 (1): 38–56. Bibcode:2005SuMi...38...38M. doi:10.1016/j.spmi.2005.04.006. ISSN 0749-6036. <a href="https://www.sciencedirect.com/science/article/pii/S0749603605000558" target="_blank">https://www.sciencedirect.com/science/article/pii/S0749603605000558</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Goiran, Michel; Millot, Marius; Poumirol, Jean-Marie; Gherasoiu, Iulian; et al. (2010). "Electron cyclotron effective mass in indium nitride". Applied Physics Letters. 96 (5): 052117. Bibcode:2010ApPhL..96e2117G. doi:10.1063/1.3304169. <a href="/wiki/Bibcode_(identifier)" target="_blank">/wiki/Bibcode_(identifier)</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Millot, Marius; Ubrig, Nicolas; Poumirol, Jean-Marie; Gherasoiu, Iulian; et al. (2011). "Determination of effective mass in InN by high-field oscillatory magnetoabsorption spectroscopy". Physical Review B. 83 (12): 125204. Bibcode:2011PhRvB..83l5204M. doi:10.1103/PhysRevB.83.125204. <a href="/wiki/Bibcode_(identifier)" target="_blank">/wiki/Bibcode_(identifier)</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Inushima, Takashi (2006). "Electronic structure of superconducting InN". Science and Technology of Advanced Materials. 7 (S1): S112 – S116. Bibcode:2006STAdM...7S.112I. doi:10.1016/j.stam.2006.06.004. <a href="https://doi.org/10.1016%2Fj.stam.2006.06.004" target="_blank">https://doi.org/10.1016%2Fj.stam.2006.06.004</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Inushima, Takashi (2006). "Electronic structure of superconducting InN". Science and Technology of Advanced Materials. 7 (S1): S112 – S116. Bibcode:2006STAdM...7S.112I. doi:10.1016/j.stam.2006.06.004. <a href="https://doi.org/10.1016%2Fj.stam.2006.06.004" target="_blank">https://doi.org/10.1016%2Fj.stam.2006.06.004</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Tiras, E.; Gunes, M.; Balkan, N.; Airey, R.; et al. (2009). "Superconductivity in heavily compensated Mg-doped InN" (PDF). Applied Physics Letters. 94 (14): 142108. Bibcode:2009ApPhL..94n2108T. doi:10.1063/1.3116120. <a href="https://repository.essex.ac.uk/2240/1/063_1.pdf" target="_blank">https://repository.essex.ac.uk/2240/1/063_1.pdf</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Tiras, E.; Gunes, M.; Balkan, N.; Airey, R.; et al. (2009). "Superconductivity in heavily compensated Mg-doped InN" (PDF). Applied Physics Letters. 94 (14): 142108. Bibcode:2009ApPhL..94n2108T. doi:10.1063/1.3116120. <a href="https://repository.essex.ac.uk/2240/1/063_1.pdf" target="_blank">https://repository.essex.ac.uk/2240/1/063_1.pdf</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Inushima, Takashi (2006). "Electronic structure of superconducting InN". Science and Technology of Advanced Materials. 7 (S1): S112 – S116. Bibcode:2006STAdM...7S.112I. doi:10.1016/j.stam.2006.06.004. <a href="https://doi.org/10.1016%2Fj.stam.2006.06.004" target="_blank">https://doi.org/10.1016%2Fj.stam.2006.06.004</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Komissarova, T. A.; Parfeniev, R. V.; Ivanov, S. V. (2009). "Comment on 'Superconductivity in heavily compensated Mg-doped InN' [Appl. Phys. Lett. 94, 142108 (2009)]". Applied Physics Letters. 95 (8): 086101. Bibcode:2009ApPhL..95h6101K. doi:10.1063/1.3212864. <a href="https://doi.org/10.1063%2F1.3212864" target="_blank">https://doi.org/10.1063%2F1.3212864</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> </ol>