Zobrazeno 1 - 10
of 224
pro vyhledávání: '"Komandin, G."'
Autor:
Gavdush, A. A., Kruczkiewicz, F., Giuliano, B. M., Müller, B., Komandin, G. A., Grassi, T., Theulé, P., Zaytsev, K. I., Ivlev, A. V., Caselli, P.
Publikováno v:
A&A 667, A49 (2022)
Context: Broadband optical constants of astrophysical ice analogues in the infrared (IR) and terahertz (THz) ranges are required for modeling the dust continuum emission and radiative transfer in dense and cold regions, where thick icy mantles are fo
Externí odkaz:
http://arxiv.org/abs/2207.11052
Autor:
Giuliano, B. M., Gavdush, A. A., Müller, B., Zaytsev, K. I., Grassi, T., Ivlev, A. V., Palumbo, M. E., Baratta, G. A., Scirè, C., Komandin, G. A., Yurchenko, S. O., Caselli, P.
Publikováno v:
A&A 629, A112 (2019)
Context: Reliable, directly measured optical properties of astrophysical ice analogs in the infrared (IR) and terahertz (THz) range are missing. These parameters are of great importance to model the dust continuum radiative transfer in dense and cold
Externí odkaz:
http://arxiv.org/abs/1907.11491
Autor:
Zhukova, E. S., Gorshunov, B. P., Komandin, G. A., Alyabyeva, L. N., Muratov, A. V., Aleshchenko, Yu. A., Anisimov, M. A., Shitsevalova, N. Yu., Polovets, S. E., Filipov, V. B., Sluchanko, N. E.
Publikováno v:
Phys. Rev. B 100, 104302 (2019)
Using Fourier-transform infrared spectroscopy and optical ellipsometry, room temperature spectra of complex conductivity of single crystals of hexaborides Gd$_x$La$_{1-x}$B$_6$, $x$(Gd)$=0$, 0.01, 0.1, 0.78, 1 are determined in the frequency range 30
Externí odkaz:
http://arxiv.org/abs/1811.00104
Autor:
Lavrukhin, D. V., Yachmenev, A. E., Pavlov, A. Yu., Khabibullin, R. A., Goncharov, Yu. G., Spektor, I. E., Komandin, G. A., Yurchenko, S. O., Chernomyrdin, N. V., Zaytsev, K. I., Ponomarev, D. S.
In this paper, we report on an approach for shaping the spectra of THz pulse generation in photoconductive antennas (PCAs) by frequency-dependent impedance modulation. We introduce a theoretical model describing the THz pulse generation in PCAs and a
Externí odkaz:
http://arxiv.org/abs/1808.06592
Autor:
Sluchanko, N. E., Azarevich, A. N., Bogach, A. V., Bolotina, N. B., Glushkov, V. V., Demishev, S. V., Dudka, A. P., Khrykina, O. N., Filipov, V. B., Shitsevalova, N. Yu., Komandin, G. A., Muratov, A. V., Aleshchenko, Yu. A., Zhukova, E. S., Gorshunov, B. P.
Higher accuracy low temperature charge transport measurements in combination with precise X-ray diffraction experiment have allowed detecting the symmetry lowering in the single domain Tm0.19Yb0.81B12 crystals of the family of dodecaborides with meta
Externí odkaz:
http://arxiv.org/abs/1805.10026
Autor:
Kuzmenko, A. M., Mukhin, A. A., Ivanov, V. Vu., Komandin, G. A., Shuvaev, A., Pimenov, A., Dziom, V., Bezmaternykh, L. N., Gudim, I. A.
Publikováno v:
Phys. Rev. B 94, 174419 (2016)
Dynamic magnetic properties of magnetoelectric TmAl3(BO3)4 borate have been investigated by terahertz spectroscopy. Crystal field (CF) transitions within the ground multiplet 3H6 of Tm3+ ions are observed and they are identified as magnetic-dipole tr
Externí odkaz:
http://arxiv.org/abs/1704.02198
Akademický článek
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Autor:
Kamenskyi, D., Engelkamp, H., Fischer, T., Uhlarz, M., Wosnitza, J., Gorshunov, B. P., Komandin, G. A., Prokhorov, A. S., Dressel, M., Bush, A. A., Torgashev, V. I., Pronin, A. V.
Publikováno v:
PRB 87, 134423 (2013)
We report on an investigation of optical properties of multiferroic CoCr$_{2}$O$_{4}$ at terahertz frequencies in magnetic fields up to 30 T. Below the ferrimagnetic transition (94 K), the terahertz response of CoCr$_{2}$O$_{4}$ is dominated by a mag
Externí odkaz:
http://arxiv.org/abs/1304.6525
Autor:
Pronin, A. V., Uhlarz, M., Beyer, R., Fischer, T., Wosnitza, J., Gorshunov, B. P., Komandin, G. A., Prokhorov, A. S., Dressel, M., Bush, A. A., Torgashev, V. I.
Publikováno v:
PRB 85, 012101 (2012)
We have measured the magnetization and specific heat of multiferroic CoCr2O4 in magnetic fields up to 14 T. The high-field magnetization measurements indicate a new phase transition at T* = 5 - 6 K. The phase between T* and the lock-in transition at
Externí odkaz:
http://arxiv.org/abs/1111.7239
Autor:
Komandin, G. A., Prokhorov, A. S., Torgashev, V. I., Bush, A. A., Zhukova, E. S., Gorshunov, B. P.
Spectra of transmission and reflection coefficients of single crystalline Y-type hexaferrite Ba_(2)Mg_(2)Fe_(12)O_(22) are measured at Terahertz and infrared frequencies, 3 - 4500 c--1, and at temperatures 10 to 300 K, for polarization E prp c. Oscil
Externí odkaz:
http://arxiv.org/abs/1102.0664