Indium nitride

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Indium nitride
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Names
Other names
Indium(III) nitride
Identifiers
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3D model (JSmol)
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  • InChI=1S/In.N checkY
    Key: NWAIGJYBQQYSPW-UHFFFAOYSA-N checkY
  • InChI=1/In.N/rInN/c1-2
    Key: NWAIGJYBQQYSPW-QCNKTVRGAR
  • [In+3].[N-3]
  • [In]#N
Properties
InN
Molar mass 128.825 g·mol−1
Appearance black powder
Density 6.81 g/cm3
Melting point 1,100 °C (2,010 °F; 1,370 K)
hydrolysis
Band gap 0.65 eV (300 K)
Electron mobility 3200 cm2/(V.s) (300 K)
Thermal conductivity 45 W/(m⋅K) (300 K)
2.9
Structure
Wurtzite (hexagonal)
C46v-P63mc
a = 354.5 pm, c = 570.3 pm [1]
Tetrahedral
Hazards
Safety data sheet (SDS) External SDS
Related compounds
Other anions
 Indium phosphide
Indium arsenide
Indium antimonide
Other cations
 Boron nitride
Aluminium nitride
Gallium nitride
Related compounds
 Indium gallium nitride
Indium gallium aluminium nitride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Template:Chembox Footer/trackingTemplate:Short description

Indium nitride (Page Module:Chem2/styles.css has no content.InN) is a small-bandgap semiconductor material, which has potential application in solar cells[2] and high speed electronics.[3][4]

The bandgap of InN has now been established as ~0.7 eV depending on temperature[5] (the obsolete value is 1.97 eV). The effective electron mass has been recently determined by high magnetic field measurements,[6][7] m* = 0.055 m0.

Alloyed with GaN, the ternary system InGaN has a direct bandgap span from the infrared (0.69 eV) to the ultraviolet (3.4 eV).

Currently there is research into developing solar cells using the nitride based semiconductors. Using one or more alloys of indium gallium nitride (InGaN), an optical match to the solar spectrum can be achieved.[citation needed] The bandgap of InN allows a wavelengths as long as 1900 nm to be utilized. However, there are many difficulties to be overcome if such solar cells are to become a commercial reality: p-type doping of InN and indium-rich InGaN is one of the biggest challenges. Heteroepitaxial growth of InN with other nitrides (GaN, AlN) has proved to be difficult.

Thin layers of InN can be grown using metalorganic chemical vapour deposition (MOCVD).[8]

Superconductivity

Thin polycrystalline films of indium nitride can be highly conductive and even superconductive at liquid helium temperatures. The superconducting transition temperature Tc depends on each sample's film structure and carrier density and varies from 0 K to about 3 K.[8][9] With magnesium doping, the Tc can be 3.97 K.[9] 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[8] or nanoclusters, where the small size increases the critical magnetic field according to the Ginzburg–Landau theory.[10]

See also

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Pichugin, I. G.; Tlachala, M. (1978). "Rentgenovsky analiz nitrida indiya" Рентгеновский анализ нитрида индия [X-ray analysis of indium nitride]. Izvestiya Akademii Nauk SSSR: Neorganicheskie Materialy Известия Академии наук СССР: Неорганические материалы (in Russian). 14 (1): 175–176.{{cite journal}}: CS1 maint: unrecognized language (link)
  2. ^ Page Module:Citation/CS1/styles.css has no content.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.
  3. ^ Page Module:Citation/CS1/styles.css has no content.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.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Christen, Jürgen; Gil, Bernard (2014). "Group III nitrides". Physica Status Solidi C. 11 (2): 238. Bibcode:2014PSSCR..11..238C. doi:10.1002/pssc.201470041.
  5. ^ Page Module:Citation/CS1/styles.css has no content.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.
  6. ^ Page Module:Citation/CS1/styles.css has no content.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.
  7. ^ Page Module:Citation/CS1/styles.css has no content.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.
  8. ^ a b c Page Module:Citation/CS1/styles.css has no content.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.
  9. ^ a b Page Module:Citation/CS1/styles.css has no content.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.
  10. ^ Page Module:Citation/CS1/styles.css has no content.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.

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