Abstract
The electronic and crystal structures of SrMgF4 single crystals grown by the Bridgman method have been investigated. The undoped SrMgF4 single crystals have been studied using low-temperature (T = 10 K) time-resolved fluorescence optical and vacuum ultraviolet spectroscopy under selective excitation by synchrotron radiation (3.7–36.0 eV). Based on the measured reflectivity spectra and calculated spectra of the optical constants, the following parameters of the electronic structure have been determined for the first time: the minimum energy of interband transitions E g = 12.55 eV, the position of the first exciton peak E n = 1 = 11.37 eV, the position of the maximum of the “exciton” luminescence excitation band at 10.7 eV, and the position of the fundamental absorption edge at 10.3 eV. It has been found that photoluminescence excitation occurs predominantly in the region of the low-energy fundamental absorption edge of the crystal and that, at energies above E g , the energy transfer from the matrix to luminescence centers is inefficient. The exciton migration is the main excitation channel of photoluminescence bands at 2.6–3.3 and 3.3–4.2 eV. The direct photoexcitation is characteristic of photoluminescence from defects at 1.8–2.6 and 4.2–5.5 eV.
Similar content being viewed by others
References
E. Banks, S. Nakajima, and M. Shone, J. Electrochem. Soc. 127, 2234 (1980).
Q. Bingyi and E. Banks, Mater. Res. Bull. 17, 1185 (1982).
N. Ishizawa, K. Suda, B. E. Etschmann, T. Oya, and N. Kodama, Acta Crystallogr., Sect. C: Cryst. Struct. Commun. 57, 784 (2001).
S. C. Abrahams, Acta Crystallogr., Sect. B: Struct. Sci. 58, 34 (2002).
M. Yamaga, K. Itoh, S. Yabashi, Y. Masui, S. Ono, M. Sakai, and N. Sarukura, UVSOR Act. Rep. 2003, 57 (2004).
M. Yamaga, E. Hayashi, N. Kodama, K. Itoh, S. Yabashi, Y. Masui, S. Ono, N. Sarukura, T. P. J. Han, and H. G. Gallagher, J. Phys.: Condens. Matter 18, 6033 (2006).
H. Hagemann, F. Kubel, H. Bill, and F. Gingl, J. Alloys Compd. 374, 194 (2004).
F. Kubel, H.-R. Hagemann, and H. Bill, Mater. Res. Bull. 32, 263 (1997).
Y. Wu and C.-S. Shi, Solid State Commun. 95, 319 (1995).
Y. Wu and C.-S. Shi, Acta Phys.-Chim. Sin. 11, 907 (1995).
C. Veitsch, F. Kubel, and H. Hagemann, Mater. Res. Bull. 43, 168 (2008).
P. Muller, R. Herbst-Irmer, A. L. Spek, T. R. Schneider, and M. R. Sawaya, Crystal Structure Refinement: A Crystallographer’s Guide to SHELXL (Oxford University Press, New York, 2006).
N. E. Kashcheeva, D. Y. Naumov, and E. V. Boldyreva, Z. Kristallogr. 214, 534 (1999).
G. Zimmerer, Radiat. Meas. 42, 859 (2007).
V. Lucarini, J. J. Saarinen, K. E. Peiponen, and E. M. Vartiainen, Kramers-Kronog Relations in Optical Materials Research (Springer-Verlag, Berlin, 2005).
M. Weissbluth, Atoms and Molecules (Academic, New York, 1978).
P. W. Milonni and J. H. Eberly, Laser Physics (Wiley, Hoboken, New Jersey, United States, 2010).
M. Born and E. Wolf, Principles of Optics (Pergamon, New York, 1980).
E. F. Gross, Investigations on the Optics and Spectroscopy of Crystals and Liquids: Selected Works (Nauka, Leningrad, 1976) [in Russian].
G. W. Rubloff, Phys. Rev. B: Solid State 5, 662 (1972).
C. Jouanin, J. P. Albert, and C. Gout, J. Phys. (Paris) 37, 595 (1976).
A. K. S. Song and R. T. Williams, Self-Trapped Excitons (Springer-Verlag, Berlin, 1996).
K. V. Ivanovskikh, V. A. Pustovarov, and B. V. Shulgin, Nucl. Instrum. Methods Phys. Res., Sect. A 543, 229 (2005).
V. N. Kolobanov, V. V. Mikhailin, S. P. Chernov, D. A. Spassky, V. N. Makhov, M. Kirm, E. Feldbach, and S. Vielhauer, J. Phys.: Condens. Matter 21(6), 375501 (2009).
L. F. Chen, L. Zhou, and K. S. Song, J. Phys.: Condens. Matter. 9, 6633 (1997).
S. C. Buchter, T. Y. Fan, V. Liberman, J. J. Zayhowski, M. Rothschild, E. J. Mason, A. Cassanho, H. P. Jenssen, and J. H. Burnett, Opt. Lett. 26, 1693 (2001).
H. H. Li, J. Phys. Chem. Ref. Data 9, 161 (1980).
G. W. Rubloff, J. Freeouf, H. Fritzsche, and K. Murase, Phys. Rev. Lett. 27, 361 (1971).
D. Pines, Elementary Excitations in Solids: Lectures on Phonons, Electrons, and Plasmons (W. A. Benjamin, New York, 1963; Mir, Moscow, 1963).
V. Kisand, R. Kink, M. Kink, J. Maksimov, M. Kirm, and I. Martinson, Phys. Scr. 54, 542 (1996).
W.-D. Cheng, J.-S. Huang, and J.-X. Lu, Phys. Rev. B: Condens. Matter 57, 1527 (1998).
T. Tomiki and T. Miyata, J. Phys. Soc. Jpn. 27, 658 (1969).
M. W. Williams, R. A. MacRae, and E. T. Arakawa, J. Appl. Phys. 38, 1701 (1967).
A. Belsky and J. C. Krupa, Displays 19, 185 (1999).
A. N. Vasil’ev and V. V. Mikhailin, Introduction to Spectroscopy of Dielectrics (Yanus-K, Moscow, 2000) [in Russian].
T. Matsumoto, M. Shirai, and K. Kan’no, J. Phys. Soc. Jpn. 64, 987 (1995).
I. N. Ogorodnikov and V. A. Pustovarov, J. Lumin. 134, 113 (2013).
I. N. Ogorodnikov and V. A. Pustovarov, J. Phys.: Condens. Matter. 24(8), 405902 (2012).
I. N. Ogorodnikov and V. A. Pustovarov, JETP Lett. 96(5), 308 (2012).
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © V.A. Pustovarov, I.N. Ogorodnikov, S.I. Omelkov, L.I. Isaenko, A.P. Yelisseyev, A.A. Goloshumova, S.I. Lobanov, P.G. Krinitsyn, 2014, published in Fizika Tverdogo Tela, 2014, Vol. 56, No. 3, pp. 448–458.
Rights and permissions
About this article
Cite this article
Pustovarov, V.A., Ogorodnikov, I.N., Omelkov, S.I. et al. Electronic excitations and luminescence of SrMgF4 single crystals. Phys. Solid State 56, 456–467 (2014). https://doi.org/10.1134/S106378341403024X
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S106378341403024X