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Faculty of Mathematics and Natural SciencesInstitute of Geology and Mineralogy

Silicates, Germanates

Melilites

  • Ca2MgSi2O7    (undoped and doped Ca2MgSi2O7 :Nd3+,Na+ )
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Crystal growth by J. Liebertz
Crystal growth by J. Liebertz


Bohatý, L. & Liebertz, J.:Kristalle der Melilith-Reihe. II. Elektrooptische und elektrostriktive Eigenschaften.
Z. Kristallogr. 159 (1982) 277-281.

Kaminskii, A. A., Nakao, H.,  Bohatý, L., Becker, P., Liebertz, J., Kleinschrodt, R., Ueda, K. &  Shirakawa, A.:
Stimulated emission (4F3/2 ®4I11/2 channel) with LD and Xe-flashlamp pumping of tetragonal, incommensurately modulated Ca2MgSi2O7:Nd3+(Na+) – a new disordered laser crystal. Laser Phys. Lett.  7 (2010) 876 – 883

Kaminskii, A. A., Nakao, H., Shirakawa, A., Ueda, K., Liebertz, J., , Becker, P. &  Bohatý, L.: CW one-micron (4F3/2 ®4I11/2) laser oscillation of Nd3+ ions in the melilite-type crystal Ca2MgSi2O7:Nd3+(Na+) at its incommensurate-commensurate phase transition. Appl. Phys. B  103 (2011) 629-635.

Nakao, H., Shirakawa, A., Ueda, K., Bohatý, L., Becker, P. & Kaminskii, A. A.:  Na,Nd  co-doped  Ca2MgSi2O7 laser. The European Conference on Laser and Electro-Optics (CLEO / Europe), München, 22.05.2005, CLEO/Europe and EQEC 2011 Conference Digest, OSA Technical Digest (CD), paper CA_P17   (CA Poster Session).

  • Ca2Mg1-xNixSi2O7  
    x = 0.0015
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Crystal growth by J. Liebertz

  • Ca2Mg1-xNixSi2O7 
    x = 0.005
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Crystal growth by J. Liebertz

  • Ca2Mg1-xNixSi2O7 
    x = 0.05
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Crystal growth by J. Liebertz

Wildner, M., Andrut, M., Liebertz, J. & Bohatý, L.:
Polarized electronic absorption spectra of NiO4 tetrahedra in Ni2+-doped åkermanite Ca2Mg(Si2O7).
Eur. J. Mineral. 11 (1999) Beih. 243.

  • Ca2ZnSi2O7

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Crystal growth by J. Liebertz

Wildner, M., Andrut, M., Liebertz, J. & Bohatý, L.:
Polarized electronic absorption spectra of NiO4 tetrahedra in Ni2+-doped åkermanite Ca2Mg(Si2O7).
Eur. J. Mineral. 11 (1999) Beih. 243.

  • Sr2MgGe2O7

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Crystal growth by J. Liebertz

Bohatý, L. & Liebertz, J.: Kristalle der Melilith-Reihe. II. Elektrooptische und elektrostriktive Eigenschaften.
Z. Kristallogr. 159 (1982) 277-281.

Becker, P., Held, P., Liebertz, J. & Bohatý, L.: Optical properties of the germanate melilites Sr2MgGe2O7, Sr2ZnGe2O7 and Ba2ZnGe2O7. Cryst. Res. Technol. 44 (2009) 603 - 612.

Kaminskii, A. A., Bohatý, L., Becker, P., Liebertz, J., Eichler, H. J., Rhee, H. & Hanuza, J.: Cascaded nonlinear-laser interactions in melilite-type crystals of Sr2MgGe2O7 and  Ba2ZnGe2O7. Laser Phys. Lett. 7 (2010) 528-543.

Hanuza, J., Maczka, M., Ptak, M., Lorenc, J., Hermanowicz, K. , Becker, P., Bohatý, L.  & Kaminskii, A. A.:
Polarised IR and Raman spectra, temperature dependence of phonons and lattice dynamic calculations for M´2M´´Ge2O7 pyrogermanates ( M´=Sr, Ba; M´´= Mg, Zn). J. Raman Spectrosc. 42 (2011) 782-789.

  • Sr2ZnGe2O7

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Crystal growth by J. Liebertz

Bohatý, L. & Liebertz, J.: Kristalle der Melilith-Reihe. II. Elektrooptische und elektrostriktive Eigenschaften.
Z. Kristallogr. 159 (1982) 277-281.

Becker, P., Held, P., Liebertz, J. & Bohatý, L.: Optical properties of the germanate melilites Sr2MgGe2O7, Sr2ZnGe2O7 and Ba2ZnGe2O7. Cryst. Res. Technol. 44 (2009) 603 - 612.

Kaminskii, A. A., Bohatý, L., Becker, P., Liebertz, J., Eichler, H. J., Rhee, H. & Hanuza, J.: Cascaded nonlinear-laser interactions in melilite-type crystals of Sr2MgGe2O7 and  Ba2ZnGe2O7. Laser Phys. Lett. 7 (2010) 528-543.

Hanuza, J., Maczka, M., Ptak, M., Lorenc, J., Hermanowicz, K. , Becker, P., Bohatý, L.  & Kaminskii, A. A.:
Polarised IR and Raman spectra, temperature dependence of phonons and lattice dynamic calculations for M´2M´´Ge2O7 pyrogermanates ( M´=Sr, Ba; M´´= Mg, Zn). J. Raman Spectrosc. 42 (2011) 782-789.

  • Ba2MgGe2O7

Crystal growth by J. Liebertz
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Crystal growth by J. Liebertz


Bohatý, L. & Liebertz, J.: Kristalle der Melilith-Reihe. II. Elektrooptische und elektrostriktive Eigenschaften.
Z. Kristallogr. 159 (1982) 277-281.

Kaminskii, A. A., Bohatý, L., Becker, P., Liebertz, J., Held, P., Eichler, H. J., Rhee, H. & Hanuza, J.:  Tetragonal Ba2MgGe2O7 – a novel multifunctional optical crystal with numerous manifestations of nonlinear-laser effects: almost sesqui-octave Stokes and anti-Stokes combs and cascaded χ(3)- χ(2) lasing with involved second and third harmonic generation. Laser Phys. Lett. 5 (2008) 845-868.

Bayarjargal, L., Becker, P., Liebertz, J. & Bohatý, L.: Second harmonic generation in melilite-type Ba2MgGe2O7.
phys. stat. sol. (b) 246 (2009) 1674 -1676.

Hanuza, J., Maczka, M., Ptak, M., Lorenc, J., Hermanowicz, K. , Becker, P., Bohatý, L.  & Kaminskii, A. A.:
Polarised IR and Raman spectra, temperature dependence of phonons and lattice dynamic calculations for M´2M´´Ge2O7 pyrogermanates ( M´=Sr, Ba; M´´= Mg, Zn). J. Raman Spectrosc. 42 (2011) 782-789.

 

  • Ba2ZnSi2O7

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Crystal growth by J. Liebertz

Bohatý, L. & Liebertz, J.: Kristalle der Melilith-Reihe. II. Elektrooptische und elektrostriktive Eigenschaften.
Z. Kristallogr. 159 (1982) 277-281.

Becker, P., Held, P., Liebertz, J. & Bohatý, L.: Optical properties of the germanate melilites Sr2MgGe2O7, Sr2ZnGe2O7 and Ba2ZnGe2O7. Cryst. Res. Technol. 44 (2009) 603 - 612.

Kaminskii, A. A., Bohatý, L., Becker, P., Liebertz, J., Eichler, H. J., Rhee, H. & Hanuza, J.: Cascaded nonlinear-laser interactions in melilite-type crystals of Sr2MgGe2O7 and  Ba2ZnGe2O7. Laser Phys. Lett. 7 (2010) 528-543.

Hanuza, J., Maczka, M., Ptak, M., Lorenc, J., Hermanowicz, K. , Becker, P., Bohatý, L.  & Kaminskii, A. A.:
Polarised IR and Raman spectra, temperature dependence of phonons and lattice dynamic calculations forM´2M´´Ge2O7 pyrogermanates ( M´=Sr, Ba; M´´= Mg, Zn). J. Raman Spectrosc. 42 (2011) 782-789.
 

Pyroxenes

  • NaFeSi2O6   (synthetic and natural (Aegirine))
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natural aegirine

Jodlauk, S., Becker, P., Mydosh, J. A., Khomskii, D. I., Lorenz, T., Streltsov, S. V., Hezel, D. C. & Bohatý, L.: Pyroxenes: A new class of multiferroics. J. Phys.: Condens. Matter 19 (2007) 432201 (9pp).

Baker; P. J., Lewtas, H. J., Blundell, S. J., Lancaster, T., Franke, I., Hayes, W., Pratt, F. L., Bohatý, L. & Becker, P.: Muon-spin relaxation and heat capacity measurements on the magnetoelectric and multiferroic pyroxenes LiFeSi2O6 and NaFeSi2O6. Phys. Rev. B 81 (2010) 214403-1/5.

Baum, M., Komarek, A. C., Holbein, S., Fernández-Díaz, M. T., André, G., Hiess, A., Sidis, Y., Steffens, P., Becker, P., Bohatý, L. & Braden, M.: Magnetic structure and multiferroic coupling in pyroxene NaFeSi2O6.
Phys. Rev. B 91 (2015) 214415-1/11.

  • NaFeGe2O6

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Ackermann, M., Anderson, L., Lorenz, T., Bohatý, L., Becker, P.: Anisotropy study of multiferroicity in the pyroxene NaFeGe2O6. New J. Phys. 17 (2015) 013045 (10 pp).

 

  • LiFeSi2O6

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Jodlauk, S., Becker, P., Mydosh, J. A., Khomskii, D. I., Lorenz, T., Streltsov, S. V., Hezel, D. C. & Bohatý, L.: Pyroxenes: A new class of multiferroics. J. Phys.: Condens. Matter 19 (2007) 432201 (9pp).

Baker; P. J., Lewtas, H. J., Blundell, S. J., Lancaster, T., Franke, I., Hayes, W., Pratt, F. L., Bohatý, L. & Becker, P.: Muon-spin relaxation and heat capacity measurements on the magnetoelectric and multiferroic pyroxenes LiFeSi2O6 and NaFeSi2O6. Phys. Rev. B 81 (2010) 214403-1/5.

Tolédano, P., Ackermann, M.,  Bohatý, L., Becker, P., Lorenz, T., Leo, N. & Fiebig, M.: Primary ferrotoroidicity in antiferromagnets. Phys.Rev. B 92 (2015) 094431-1/7.

 

  • LiFeGe2O6

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  • LiCrSi2O6

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  • LiCrGe2O6

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Jodlauk, S., Becker, P., Mydosh, J. A., Khomskii, D. I., Lorenz, T., Streltsov, S. V., Hezel, D. C. & Bohatý, L.: Pyroxenes: A new class of multiferroics. J. Phys.: Condens. Matter 19 (2007) 432201 (9pp).