Abstract
In this paper, the magnetic and optical properties of ErP and ErSb nanolayers have been investigated in the presence of spin-orbit coupling using density functional theory by Wien2k package. The total energy of ErP and ErSb nanolayers as a function of unit cell volume is calculated in ferromagnetic and nonmagnetic phases using generalized gradient approximation (GGA) approach. It is seen that at zero pressure, the ferromagnetic phase is more stable than nonmagnetic phase. The density of states (DOS) calculation shows that the major contribution to the occupied part of DOS around the Fermi energy comes from 4f orbital of Er and p orbital of P and Sb atoms. The dielectric functions and other optical properties of these compounds have anisotropic behavior. The maximum reflectivity of these nanolayers occurs in the ultra-violet range; then, these nanolayers could be good candidates for shielding ultraviolet radiations.
Similar content being viewed by others
References
Preu, S., Dohler, G.H., Malzer, S., Wang, L.J., Gossard, A.C.: Tunable, continuous-wave Terahertz photomixer sources and applications. J. Appl. Phys. 109, 061301–061356 (2011)
Preu, S., et al.: Efficient terahertz emission from ballistic transport enhanced n-i-p-n-i-p superlattice photomixers. Appl. Phys. Lett. 90, 212115–212113 (2007)
Brown, E.R., Young, A.C., Zimmerman, J., Kazemi, H., Gossard, A.C.: Advances in Schottky rectifier performance. IEEE Microw. Mag. 8, 54–59 (2007)
Nair, H.P., Crook, A.M., Bank, S.R.: Enhanced conductivity of tunnel junctions employing semimetallic nanoparticles through variation in growth temperature and deposition. Appl. Phys. Lett. 96, 222104–222103 (2010)
Pohl, P., et al.: Enhanced recombination tunneling in GaAs pn junctions containing low-temperature-grown GaAs and ErAs layers. Appl. Phys. Lett. 83, 4035–4037 (2003)
Preu, S., et al.: Efficient III–V tunneling diodes with ErAs recombination centers. Semicond. Sci. Technol. 25, 115004 (2010)
Zide, J.M.O., et al.: Increased efficiency in multijunction solar cells through the incorporation of semimetallic ErAs nanoparticles into the tunnel junction. Appl. Phys. Lett. 88, 162103 (2006)
Lu, H., et al.: Semimetal/semiconductor nanocomposites for thermoelectrics. Adv. Mater. 23, 2377–2383 (2011)
Zide, J.M.O., et al.: High efficiency semimetal/semiconductor nanocomposite thermoelectric materials. Appl. Phys. 108, 123702–123705 (2010)
Blaha, P., Schwarz, K., Madsen, G.K.H., Kvasnicka, D., Luitz, J., Schwarz, K.: WIEN2K: an augmented plane wave plus local orbitals program for calculating crystal properties. Vienna University of Technology, Austria (2009)
Madsen, G.K.H., Blaha, P., Schwarz, K., Sjostedt, E., Nordström, L. Phys. Rev. B 64, 195134 (2001)
Hohenberg, P., Kohn, W.: Phys. Rev. B 136, 864 (1964)
Perdew, J.P., Burke, K., Ernzerhof, M.: Phys. Rev. Lett. 77, 3865 (1996)
Monkhorst, H.J., Pack, J.D.: Phys. Rev. B 13, 5188 (1976)
Child, H.R., Wilkinson, M.K., Cable, T.W., Koehler, W.C., Wollan, E.O.: Phys. Rev. 131, 922 (1963)
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Vaez, A., Nourbakhsh, Z. The Magnetic and Optical Properties of ErP and ErSb Nanolayers. J Supercond Nov Magn 28, 943–947 (2015). https://doi.org/10.1007/s10948-014-2688-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10948-014-2688-8