Ing. Lubomil JANŠÁK, CSc.


JanšákL., Polák, M., and Kvitkovič, J.: Current-voltage characteristics and AC transport current losses of Bi-2223/Ag tapes with various tape width, J. Phys.: Conf. Ser. 43(2006) 91-94.

Polák, M., Demenčík, E., JanšákL., Mozola, P., Aized, D., Thieme, C.L.H., Levin, G.A., and Barnes, P.N.: ac losses in a YBa2Cu3O7-x coil, Applied Phys. Lett. 88 (2006) 23501-1-3.

Polák, M., Ušák, E., JanšákL., Demenčík, E., Levin, G.A., Barnes, P.N., Wehler, D., and Moenter, B.: Coupling losses and transverse resistivity of multifilament YBCO coated superconductors, J. Phys.: Conf. Ser. 43 (2006) 591-594.

Polák, M., Demenčík, E., JanšákL., Ušák, E., Mozola, P., Thieme, C.L.H., Aized, D., Levin, G.A., and Barnes, P.N.: Properties of a YBCO pancake coil operating with AC current at frequencies up to 1000 Hz, IEEE Trans. Applied Supercond. 16 (2006) 1423-1426.

Polak, M., Kvitkovič, J., JanšákL., and Mozola, P.: The effect of epoxy impregnation on the behaviour of a Bi-2223/Ag coil carrying DC or AC current, Supercond. Sci Technol. 19 (2006) 256-262.


Polak, M., Kvitkovič, J., Demenčík, E., JanšákL., and Mozola, P.: Temperature of Bi-2223/Ag samples in the resistive section of I-V curves, Physica C 401 (2004) 160-164.

Lackner, R., Hense, K., Kirchmayr, H., Leoni, J., Müller, M., JanšákL., and Polak, M.: Effect of filament arrangement on the transversal resistivity of Bi-2223 tapes. In: Applied Superconductivity 2003. Proc. of the 6th EUCAS, Sorrento 2003. IoP Conf. Ser. No 181. Eds. A. Andreone et al. Bristol: IoP 2004. P. 2379-2385.


JanšákL., Zizek, F., Jelinek, J., Timoransky, Z., Piel, H., and Polak, M.: Loss analysis of a model transformer winding, IEEE Trans. on Applied Supercond. 13 (2003) 2352.

Jelinek, Z., Timoransky, Z., Zizek, F., Piel, H., Polak, M., Chovanec, F., Mozola, P., JanšákL., Kvitkovič, J. and Ušák, P.: Test results of 14 kVA superconducting transformer with Bi-2223/Ag windings, IEEE Trans. on Applied Supercond. 13 (2003) 2310.


Polák, M., Ušák, P., JanšákL., Kvitkovič, J., Timoranský, Z., and Žižek, F.: Effect of ferromagnetic rings on critical current and AC losses of a coil made from Bi-2223/Ag tape, IEEE Trans. on Applied Supercond. 12 (2002) 1632-1634.

Chovanec, F., Jahn, P., Janšák, L., Jelinek, J., Kvitkovič, J., Mozola, P., Piel, H., Polák, M., Timoranský, Z., Ušák, P., and Žižek, F.: 15kVA superconducting transformer. In: 7th Int. Conf. Cryogenics 2002. Praha 2002. P. 46-48.


JanšákL.: A capacitance temperature sensor for the liquid nitrogen region, Cryogenics 41 (2001) 607-608.

Zannella, S., Montelatici, L., Grenci, G., Pojer, M., JanšákL., Majoroš, M., Colleta, G., Mele, R., Tebano, R., and Zanovello, F.: AC losses in transport current regime in applied ac magnetic field: experimental analysis and modeling, IEEE Trans. on Applied Supercond. 11 (2001) 2441-2444.

Polák, M., Ušák, P., Pitel, J., JanšákL., Timoranský, Z., Žižek, F., and Piel, H.: Comparison of solenoidal and pancake model windings for a superconducting transformer, IEEE Trans. on Applied Supercond. 11 (2001) 1478-1481.

Ušák, P., JanšákL., and Polák, M.: Hysteresis of V-I curve of BSCCO-2223 tape, Physica C 350 (2001) 139-146.


Polák, M. and JanšákL.: Self-field losses and I-V curves of Bi-2223 tape without silver sheath. In: EUCAS ’99, Inst. of Physics Conf. Ser. 167 (2000) 911-914.

Polak, M., JansakL., Kvitkovic, J., Usak, P., Paasi, J., Lehtonen, J., Däumling, M., Kasztler, A., Kirchmayr, and H.: Effect of interturn spacing on ACloss of single layer Bi-2223/Ag coils, IEEE Trans. on Applied Superconductivity 10 (2000) 673-676.

Polak, M. and JansakL.: Transport current ac losses and current-voltage curves of multifilamentary Bi-2233/Ag tape with artificial defects, Supercond. Sci & Technology 13 (2000) 1074-1078.

Foitl, M., JansakL., Kasztler, A., Kirchmayr, H., Kral, I., Krempasky, L., Kvitkovic, J., and Polak, M.: Magnetisation of Nb3Sn wires using a Hall probe and an inductive measurement technique. In: Advanced in Cryogenic Engn. Ed. U.B.Balachandran. Vol. 46, Part B – ICMC-99 Montreal. New York, Kluwer Acad. 2000. P. 1019-1026.

Ušák, P., JanšákL., and Polák, M.: BSCCO(2223)/Ag multifilamentary tape in inclined external magnetic field. In: Cryogenics 2000. Ed.: V.Chrz. Prague, ICARIS 2000. P. 60-63.


JanšákL.: AC self-field loss measurement system, Review of Sci Instruments 70 (1999) 3087-3091.


Majoroš, M., JanšákL., Zannella, S., Curcio, F., La Cascia, P., Ottoboni, V., Friend, C.M., LeLay, L., Glowacki, B.A., and Campbell, A.M.: Temperature dependence of transport ac losses in Bi-2223/Ag multifilamentary tapes, Physica C 310 (1998) 6.

Hlásnik, I., Majoroš, M., and JanšákL.: AC losses in superconducting wires and cables. In: Handbook of Applied Superconductivity. Vol. 1. Ed. B.Seeber. Bristol, Inst. of Phys. Publ. 1998. P. 344.

Ušák, P., JanšákL., and Chovanec, F.: Local nature of transport properties of Ag-sheathed BSCCO (Bi-2223) superconducting tapes. In: Proc. 5th Int. Conf. Cryogenics 98, Prague 1998. P. 108.


Majoroš, M., JanšákL., Sello, S., Zanella, S.: Transient analysis of HTS inductive fault current limiter. In: Applied Supercond. Con. Pittsburgh (USA), 1996, IEEE Trans. Applied Supercond. (1997) 989.

Zannella, S., JanšákL., and Donadio, P.: Inductive high-Tsuperconducting fault current limiter based on Bi-2212 tube, Cryogenics 37 (1997) 667-670.

Zannella, S., Arienti, A., Giunchi, G., JanšákL., Majoroš, M., and Ottoboni, V.: Development of an inductive high-Tc superconducting fault current limiter. In: Applied Superconductivity 1997, Inst. Phys. Conf. Series No. 158 (1997) 1239.

Majoroš, M., JanšákL., Sello, S., Zannella, S.: Transition properties of HTS inductive fault current limiter. In: Applied Superconductivity 1997, Inst. Phys. Conf. Series No. 158 (1997) 1231.

JanšákL ., Kokavec, J., Kvitkovič, J., Galbraith, P., and Henrichsen, K.N.: Low field NMR magnetometry using flowing water. In: Proc. Int. Conf. „Measurement 97“. Eds. I.Frollo, A.Plačková. Bratislava, UMMT 1997. P. 328.


JanšákL., Chovanec, F., Kokavec, J., and Jergel, M.: Critical current anisotropy and AC losses in Bi(Pb)SrCaCuO-2223 and TlBaCaCuO-2212 Ag sheathed superconducting tapes. In: Magnet Technology 14. Tampere, IEEE Trans. on Magnet. 32 (1996) 2788.

Hlásnik, I., JanšákL., Majoroš, M., Kokavec, J., Chovanec, F., Martini, L., and Zanella, S.: Self-field effect on Ag/HTS tapes – skin effect at resistivity strongly increasing with J versus critical state model. In: MT14 Tampere 1995, IEEE Trans. on Magnet. 32 (1996) 2806.

Ušák, P., JanšákL., and Chovanec, F.: Anisotropy of E(j) characteristics of Ag-sheathed BSCCO tapes with respect to external magnetic field, Applied Superconductivity (1996) 577. (Printed in 1997).


JanšákL., Majoroš, M., Frangi, F., and Zannella, S.: Anomalous behavior of inductive fault current limiter models based on high-Tc superconductors, Physica C 247 (1995) 231.

Chovanec, F., JanšákL ., Kottman, P., Majoroš, M., Ušák, P., Suchoň, D., and Jergel, M.: Critical current anisotropy of Ag-sheathed 2212 TlBaCaCuO superconducting tapes, IOP 148 (1995) 475.


Frangi, F., JanšákL., Majoroš, M., Zannella, S.: Trapped magnetic fields in melt-textured YBCO, Physica C 224 (1994) 20.

Hughes, T., Yang, T., Beduz, C., Yi, Z., JanšákL., Mahdi, A.E., Stoll, R.L., Sykulski, J.K., and Harris, M.R.: Measurements of self-field AC losses in PbBi-2223 Ag sheathed tapes, Physica C 235-240 (1994) 3423.

Yang, Y., Hughes, T., Beduz, C., Scurlock, R.G., and JanšákL.: Studies of self-field AC losses in PbBi-2223 Ag sheathed tapes, Cryogenics 34 (1994) S789.


Zannella, S., JanšákL., Salama, K., and Selvamanickam, V.: 50Hz self-field losses in melt-textured YBa2Cu3O7-x bars, Cryogenics 33 (1993) 31.

Zannella, S., JanšákL., Majoroš, M., Selvamanickam, V., and Salama, K.: AC energy dissipation in high-Tc superconductors, Physica C 205 (1993) 14.

JanšákL., Ottoboni, V., and Zannella, S.: Studies on the feasibility of a superconducting fault current limiter. In: CISE SpA Final Report No. 7475, 1993.

Majoroš, M., Zannella, S., Ottoboni, V., and JanšákL.: AC losses in fine filamentary NbTi superconductors with Cu and CuNi matrix. In: Applied Superconductivity 1. Ed. H.C.Freyhardt. Oberursel, DGM 1993. P. 27.


JanšákL., Ricca, A., and Zannella, S.: Preliminary study of the feasibility of a superconducting fault current limiter. In: CISE SpA Final Report No. 6593, 1992.


Hlásnik, I., Kokavec, J., Fröhlich, K., and JanšákL.: Static and dynamic characteristics of Nb3Ge layers for rapid superconducting power switches, Cryogenics 31 (1991) 590.

Zannella, S., JanšákL., Lee, D., and Salama, K.: AC losses of YBa2Cu3O7-x high temperature superconductors, Physica C 180 (1991) 373.

Vasiljev, A.A., Kozlov, S.M., Majoroš, M., Polák, M., Chernov, N.N., and JanšákL.: Automated apparatus for current-voltage characteristics measurements of superconducting materials. Leningrad, Academy of Sci. USSR, Inst. of Nuclear Physics 1991, preprint No. 1675 (in Russian).

Majoroš, M., Polák, M., and JanšákL.:Influence of Cu-CuNi matrix composition on AC losses in NbTi fine-filamentary superconductors. In: Proc. of the Int. Symposium on AC Superconductors. Ed. I.Hlásnik. Bratislava, IEE SAS 1991. P. 62.

Hlásnik, I., Kokavec, J., and JanšákL.: Static and transient resistive characteristics of NbTi composites for superconducting transformers and switches used in sc power supply for sc magnets. In: Proc. of the Int. Symposium on AC Superconductors. Ed. I.Hlásnik. Bratislava, IEE SAS 1991. P. 121.

Martini, L., Ottoboni, V., Ricca, A., Ripamonti, G., Zannella, S., and JanšákL.: Preliminary study of fault current limiter using high Tc superconducting (HTS) materials. In: Proc. of the Int. Symposium on AC Superconductors. Ed. I.Hlásnik. Bratislava, IEE SAS 1991. P. 137.


Polák, M., JanšákL., and Majoroš, M.: Method for determining transverse resistivity of multifilamentary superconducting composites with high resistivity matrix, Cryogenics 30 (1990) 697.


Chovanec, F., Kokavec, J., Krempaský, L., JanšákL . a Ušák, P.: Sverchprovodjaščije magnitnyje sistemy dlja SVC kompelksa nagreva plazmy v ustanovke Tokamak T-15. In: Trudy pervogo meždunar. symposiuma po fiziko-techn. problemam ispoľzovanija sverchprovodimosti v energetike. Bratislava, EÚ CEFV SAV 1986. P. 75.

Brucese, K., JanšákL., Ottoboni, V., Ricca, A.M., Ripamonti, N., Sachetti, N., Spadoni, M., and Zannella, S.: AC losses in Nb3Al multifilamentary wires measured by magnetization. In: ICEC 11. Berlin, 1986. P. 735.

Chovanec, F., Kokavec, J., Krempaskýý, L., JanšákL., Alikaev, V.V., Dochenkov, A.S., Volobaiev, A.N., Monozon, N.A., Churakov, G.F. a Jakubovski, V.G.: Investigation of series of superconducting magnet systems for gyrotron s plasma heating in TOKAMAK T15. In: ICEC 11. Berlin, 1986. P. 735.


Chovanec, F., Drobin, V.M., Dyachkov, E.I., JanšákL., Khutchareva, I.S., Kulikov, J.V., Lupov, V.G., Malynk, V.A., and Smirnov, A.A.: Losses in superconducting cables in pulsed magnetic field, Cryogenics 21 (1981) 359.

JanšákL.: Double integration method for AC loss measurement in superconducting magnets, IEEE Trans. on Magnetics 17 (1981) 2039.

Choang Kao Zung, a JanšákL .: Upravľajemyj ot EVM programmator dľa istočnika toka. Preprint SUJV P13-81-101. Dubna, 1981.


JanšákL. and Chovanec, F.: An analogue digital double intefration joulmeter for ac measurements in superconducting magnets, Cryogenics 20 (1980) 125.

JanšákL .: Primenenije diodnych datčikov v nizkotemperaturnoj termometrii (Obzor). Preprint SUJV 13 -80-113. Dubna, 1980.

JanšákL .: Metod dvojnoj integracii dľa izmerenija poter energii v sverchprovoďaščich magnitach. Preprint SUJV P13-80-698. Dubna, 1980.

JanšákL .: Analiz iomkostnovo metoda opredelenija parosoderžanija v potoke dvuchfaznovo gelija. Preprint SUJV 8-80699. Dubna, 1980.

Drobin, V.M., Djačkov, E.I., Kulikov, J.V., Kurjatnikov, E.K., Luppov, V.G., Maľuk, V.A., Smirnov, A.A., Chovanec, F., Chuchareva, I.S. a JanšákL .: Poteri v sverchprovoďaščch kkabeľach v impuľsnych magnitnych poľach. Preprint SUJV P8-80-575. Dubna, 1980.


JanšákL . a Maľuk, V.A.: Indikator urovňa židkovo gelija. Preprint SUJV 8-12104. Dubna, 1 979.

Choang Kao Zung, Chovanec, F. a JanšákL .: Sistema na linii s EVM TRA-70 v standarde KAMAK dľa izmerenija dinamičeskich poter v sverchprovoďaščich magnitach i kabeľjach. Preprint SUJV 10-12316. Dubna, 1979.

Choang Kao Zung, Chovanec, F. a JanšákL .: Mikroprocessornaja avtonomnaja sistema v standarde KAMAK dľa izmerenija poter energii v sverchoprovoďaščich kabeľjach i impuľsnych magnitach. Preprint SUJV 10-12317. Dubna, 1979.

JanšákL . a Chovanec, F.: Analogovo-cifrovoj džouľmetr s dvojnoj integracijej dľa izmerenija poter na peremennom toke v sverchprovoďaščich magnitach. Preprint SUJV P13-12501. Dubna, 1979.


JanšákL ., Štofanik, F. a Chovanec, F.: Programmator dľa upravlenija istočnikami toka. Preprint SUJV 13-11676. Dubna, 1978.

Chovanec, F., Djačkov, E.I., Nikitajev, P.I., Chodžibagijan, G.G. a JanšákL.: Vl ijanije orientacii transponirovannovo sverchprovoďaščevo kabeľa v obmotke na poteri energii v impuľsnych solenoidach. Preprint SUJV P8-11145. Dubna, 1978.


Jergel, M., JanšákL., and Blahová, M.: Application of a silicon linear thermometer for superconducting transition temperatures measurements, Acta Physica Slovaca 27 (1977) 73.


JanšákL., Kordoš, P., and Blahová, M.: Silicon and gallium arsenide diodes for low-temperature thermometry. In: Inst. Phys. Conf. Ser. No.26 (1975) 65.

Kordoš, P., JanšákL ., and Benč, V.: Preparation and properties of doped epitaxial GaAs, Solid State Electronics 18 (1975) 223.

JanšákL. and Kordoš, P.: Preparation and properties of GaAs p-n junction in the wide temperature range, Elektrotechn. časopis 26 (1975) 312.


JanšákL. and Kordoš, P.: Thermometric diode made from epitaxial GaAs, Czechoslovak J. of Phys. A 24 (1974) 364.

JanšákL. and Kordoš, P.: Wide-range resistence thermometer made from Mn-doped epitaxial GaAs, Cryogenics 14 (1974) 467.

JanšákL .: Application of type GaAs in low temperature thermometry, Elektrotechn. časopis 25 (1974) 449.

JanšákL. a Polák, M.: The temperature dependence of the Hall constant quantum oscilations in the heavily doped InSb, Elektrotechn. časopis 25 (1974) 456.


Kordoš, P., JanšákL ., and Benč, V.: Magnetic field and low temperature sensor made from epitaxial GaAs, Cryogenics 13 (1973) 312.


JanšákL. and Lagunova, T.S.: Effect of magnetic field on the impurity conduction in p-GaAs, Physica Status Solidi (1972) K151.


JanšákL.: Cryostat and superconducting solenoids, Czechosl. J. Phys. A 20 (1970) 100.

JanšákL.: Low temperature semiconductuctors thermometers with small magnetoresistance, Czechosl. J. Phys. A 20 (1970) 241.


JanšákL.: A semiconductor liquid helium level inducator, Czechosl. J. Phys. A 19 (1969) 412.