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1

Grain boundary effects on dielectric, infrared and Raman response of SrTiO3 nanograin ceramics

Jan Petzelt, Tetyana Ostapchuk, Ivan Gregora, Maxim Savinov, Dagmar Chvostova, Jing Liu, Zhijian Shen

Journal:

Journal of the European Ceramic Society

Year:

2006

Language:

english

File:

PDF, 421 KB

english, 2006

2

Raman spectra and electrical conductivity of glassy carbon

L. Soukup, I. Gregora, L. Jastrabik, A. Koňáková

Journal:

Materials Science and Engineering: B

Year:

1992

Language:

english

File:

PDF, 222 KB

english, 1992

3

Anisotropic and polarization effects in Raman scattering in porous silicon

I. Gregora, B. Champagnon, L. Saviot, Y. Monin

Journal:

Thin Solid Films

Year:

1995

Language:

english

File:

PDF, 402 KB

english, 1995

4

Structure of lead germanate glasses by Raman spectroscopy

V.N. Sigaev, I. Gregora, P. Pernice, B. Champagnon, E.N. Smelyanskaya, A. Aronne, P.D. Sarkisov

Journal:

Journal of Non-Crystalline Solids

Year:

2001

Language:

english

File:

PDF, 558 KB

english, 2001

5

A291 Project CRAB: A Better Quality of Life Through an Early Diagnosis; Project of the Czech Myeloma Group

Straub, J, Hajek, R, Scudla, V, Maisnar, V, Gregora, E, Schutzova, M, Adam, Z, Bacovsky, J, Lapes, J, Spicka, I

Journal:

Clinical Lymphoma & Myeloma

Year:

2009

Language:

english

File:

PDF, 106 KB

english, 2009

6

Infrared and Raman studies of the dead grain-boundary layers in SrTiO 3 fine-grain ceramics

Petzelt, J, Ostapchuk, T, Gregora, I, Kuzel, P, Liu, J, Shen, Z

Journal:

Journal of Physics Condensed Matter

Year:

2007

Language:

english

File:

PDF, 1.46 MB

english, 2007

7

Lattice dynamics and dielectric response of undoped, soft and hard PbZr 0.42 Ti 0.58 O 3

Buixaderas, E., Nuzhnyy, D., Vaněk, P., Gregora, I., Petzelt, J., Porokhonskyy, V., Jin, Li, Damjanović, D.

Journal:

Phase Transitions

Year:

2010

Language:

english

File:

PDF, 1.10 MB

english, 2010

8

Nano-Phased Crystallisation of Ferroelectrics from Glasses in the K 2 O-TiO 2 -P 2 O 5 and K 2 O-Nb 2 O 5 -SiO 2 Systems

SIGAEV, V. N., PERNICE, P., ARONNE, A., CHAMPAGNON, B., GREGORA, I., STEFANOVICH, S. YU., USMANOVA, L., FANELLI, E., POKORNY, J.

Journal:

Integrated Ferroelectrics

Year:

2004

Language:

english

File:

PDF, 102 KB

english, 2004

9

Analysis of composition homogeneity and polarization orientation of PZT submicron fibers by micro-Raman spectroscopy

Wang, Jin, Trodahl, Joe, Sandu, Cosmin, Gregora, Ivan, Setter, Nava

Journal:

Journal of the European Ceramic Society

Year:

2014

Language:

english

File:

PDF, 1.33 MB

english, 2014

10

Lattice dynamics and phase transitions in KNbO3 and K0.5Na0.5NbO3 ceramics

Buixaderas, E., Nuzhnyy, D., Gregora, I., Kamba, S., Berta, M., Malic, B., Kosec, M.

Journal:

IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control

Year:

2009

Language:

english

File:

PDF, 1002 KB

english, 2009

11

Phonon anomalies in Pb[sub 1−x]La[sub x](Zr[sub 0.9]Ti[sub 0.1])O[sub 3] ceramics

Buixaderas, E., Gregora, I., Kamba, S., Kužel, P., Reaney, I.

Journal:

Applied Physics Letters

Year:

2009

Language:

english

File:

PDF, 611 KB

english, 2009

12

mixed crystals

Ciepielewski, P., Kalinski, Z., Gregora, I., Vorlicek, V.

Journal:

Physical Review B

Year:

1988

Language:

english

File:

PDF, 476 KB

english, 1988

13

Incorporation of Si into GaAs Lattice

Pastrňák, J., Oswald, J., Gregora, I., Vorlícek, V.

Journal:

Materials Science Forum

Year:

1989

File:

PDF, 364 KB

1989

14

Far infrared and Raman spectroscopy of ferroelectric soft mode in SrTiO 3 thin films and ceramics

Petzelt, Jan, Ostapchuk, Tetyana, Gregora, Ivan, Hoffmann, Susanne, Lindner, Johannes, Rafaja, David, Kamba, Stanislav, Pokorny, Jan, Bovtun, Viktor, Porokhonsky, Viktor, Savinov, Maxim, Vaněk, Přemys

Journal:

Integrated Ferroelectrics

Year:

2001

Language:

english

File:

PDF, 628 KB

english, 2001

15

Nicephori Gregorae Byzantina Historia (Graece et Latine) || NICEPHORI GREGORAE BYZANTINAE HISTORIAE LIBER DECIMUS SEPTIMUS

Gregoras, Nicephorus, Schopen, Ludwig

Year:

2012

File:

PDF, 1.61 MB

2012

16

Comment on âBioinspired Reversible Switch between Underwater Superoleophobicity/Superaerophobicity and Oleophilicity/Aerophilicity and Improved Antireflective Property on the Nanosecond Laser-Ablated Superhydrophobic Titanium Surfacesâ

GregorÄiÄ, Peter

Journal:

ACS Applied Materials & Interfaces

Year:

2020

Language:

english

File:

PDF, 2.31 MB

english, 2020

17

Medical and Surgical Management of Hidradenitis Suppurativa: A Review of International Treatment Guidelines and Implementation in General Dermatology Practice

Orenstein, LaurenÂ A.V., Nguyen, TienÂ V., Damiani, Giovanni, Sayed, Christopher, Jemec, GregorÂ B.E., Hamzavi, Iltefat

Journal:

Year:

2020

File:

PDF, 1.50 MB

2020

18

New perspectives for heavily boron-doped diamond Raman spectrum analysis

Mortet, V., Gregora, I., Taylor, A., Lambert, N., Ashcheulov, P., Gedeonova, Z., Hubik, P.

Journal:

Year:

2020

File:

PDF, 1.38 MB

2020

19

Far-Infrared and Raman Studies of the Ferroelectric Phase Transition in LiNaGe4O9

E. Buixaderas, S. Kamba, I. Gregora, P. Vaněk, J. Petzelt, T. Yamaguchi, M. Wada

Journal:

physica status solidi (b)

Year:

1999

Language:

english

File:

PDF, 292 KB

english, 1999

20

Optical Phonons and Ferroelectric Phase Transition in the LaBGeO5 Crystal

I. Hrubá, S. Kamba, J. Petzelt, I. Gregora, Z. Zikmund, D. Ivannikov, G. Komandin, A. Volkov, B. Strukov

Journal:

physica status solidi (b)

Year:

1999

Language:

english

File:

PDF, 444 KB

english, 1999

21

Kristalle der Halogenide des einwertigen Quecksilbers und ihre optischen Grundeigenschaften

Ing. Č. Barta, RNDr. J. Gregora, RNDr. J. Tranka

Journal:

Crystal Research and Technology

Year:

1977

Language:

german

File:

PDF, 408 KB

german, 1977

22

Infrared optical characterization of epitaxial layer – substrate systems (II). Experimental results for AlxGa1−xAs/GaAS

Dr. V. Riede, Dr. H. Sobotta, Dr. H. Neumann, Dr. I. Gregora, Dr. S. Kamba, Dr. V. Vorliček

Journal:

Crystal Research and Technology

Year:

1989

Language:

english

File:

PDF, 653 KB

english, 1989

23

Far-infrared and Raman spectroscopy of the phase transition in CsCuCl3

J. Petzelt, I. Gregora, V. Vorlíček, J. Fousek, B. Březina, G. V. Kozlov, A. A. Volkov

Journal:

Journal of Raman Spectroscopy

Year:

1981

Language:

english

File:

PDF, 660 KB

english, 1981

24

A new method of labelling rose bengal with I131 or I125

P. Raban, V. Gregora

Journal:

The International Journal of Applied Radiation and Isotopes

Year:

1968

Language:

english

File:

PDF, 468 KB

english, 1968

25

IR laser degradation of some fluoro-polymers

Radek Fajgar, Josef Vitek, Josef Pola, Zdenek Bastl, Jaroslav Tlaskal, Ivan Gregora, Laurence McGhee, Paul R. Stevenson, John M. Winfield

Journal:

Journal of Fluorine Chemistry

Year:

1995

Language:

english

File:

PDF, 587 KB

english, 1995

26

Nanocrystallites in luminescent porous silicon characterized by Raman scattering

I. Gregora, B. Champagnon, A. Halimaoui

Journal:

Journal of Luminescence

Year:

1993

Language:

english

File:

PDF, 351 KB

english, 1993

27

Raman scattering study of GaP:N epitaxial layers

V. Vorlíček, I. Gregora, V. Riede, H. Neumann

Journal:

Journal of Physics and Chemistry of Solids

Year:

1988

Language:

english

File:

PDF, 866 KB

english, 1988

28

Holographic recording in photochromic CaF2 and its application to holographic interferometry

M. Chomát, M. Miler, I. Gregora

Journal:

Optics Communications

Year:

1971

Language:

english

File:

PDF, 910 KB

english, 1971

29

A method for testing the stability of the holographic system

M. Chomát, I. Gregora

Journal:

Optics Communications

Year:

1972

Language:

english

File:

PDF, 288 KB

english, 1972

30

Optical constants of single-crystal GeS in the photon energy range 0.04–4 eV

I. Gregora, B. Velický, M. Závětová

Journal:

Solid State Communications

Year:

1976

Language:

english

File:

PDF, 92 KB

english, 1976

31

Difference frequency Raman scattering and confined optical phonons in ultrashort-period (GaAs)n/(AlAs)n superlattices

J. Spitzer, I. Gregora, T. Ruf, M. Cardona, K. Ploog, F. Briones, M.I. Alonso

Journal:

Solid State Communications

Year:

1992

Language:

english

File:

PDF, 465 KB

english, 1992

32

Second-order Raman scattering of Lo-phonon-plasmon modes in GaAs1-xPx

G Irmer, M Herms, J Monecke, V Vorliček, I Gregora

Journal:

Solid State Communications

Year:

1993

Language:

english

File:

PDF, 406 KB

english, 1993

33

Raman spectroscopy of the zone centre improper ferroelastic transition in ordered Ba(Y12Ta12)O3 complex perovskite ceramic

I. Gregora, J. Petzelt, J. Petzelt, J. Pokorný, V. Vorlíček, Z. Zikmund, R. Zurmühlen, N. Setter

Journal:

Solid State Communications

Year:

1995

Language:

english

File:

PDF, 380 KB

english, 1995

34

The transition to a proton glass state in Cs5H3(SO4)4 · H2O

Yu. Yuzyuk, V. Dmitriev, L. Rabkin, L. Burmistrova, L. Shuvalov, F. Smutný, P. Vanek, I. Gregora, J. Petzelt

Journal:

Solid State Ionics

Year:

1995

Language:

english

File:

PDF, 454 KB

english, 1995

35

Double hollow cathode plasma jet-low temperature method for the TiO2−xNx photoresponding films

S. Kment, P. Kluson, Z. Hubicka, J. Krysa, M. Cada, I. Gregora, A. Deyneka, Z. Remes, H. Zabova, L. Jastrabik

Journal:

Electrochimica Acta

Year:

2010

Language:

english

File:

PDF, 1.49 MB

english, 2010

36

Photoelectrochemical properties of hierarchical nanocomposite structure: Carbon nanofibers/TiO2/ZnO thin films

S. Kment, Z. Hubicka, H. Kmentova, P. Kluson, J. Krysa, I. Gregora, M. Morozova, M. Cada, D. Petras, P. Dytrych, M. Slater, L. Jastrabik

Journal:

Catalysis Today

Year:

2011

Language:

english

File:

PDF, 1.25 MB

english, 2011

37

Notes on the photo-induced characteristics of transition metal-doped and undoped titanium dioxide thin films

S. Kment, H. Kmentova, P. Kluson, J. Krysa, Z. Hubicka, V. Cirkva, I. Gregora, O. Solcova, L. Jastrabik

Journal:

Journal of Colloid and Interface Science

Year:

2010

Language:

english

File:

PDF, 1.09 MB

english, 2010

38

Raman and AFM piezoresponse study of dense BaTiO3 nanocrystalline ceramics

V. Buscaglia, M.T. Buscaglia, M. Viviani, T. Ostapchuk, I. Gregora, J. Petzelt, L. Mitoseriu, P. Nanni, A. Testino, R. Calderone, C. Harnagea, Z. Zhao, M. Nygren

Journal:

Journal of the European Ceramic Society

Year:

2005

Language:

english

File:

PDF, 178 KB

english, 2005

39

Grain size and grain boundary-related effects on the properties of nanocrystalline barium titanate ceramics

V. Buscaglia, M.T. Buscaglia, M. Viviani, L. Mitoseriu, P. Nanni, V. Trefiletti, P. Piaggio, I. Gregora, T. Ostapchuk, J. Pokorný, J. Petzelt

Journal:

Journal of the European Ceramic Society

Year:

2006

Language:

english

File:

PDF, 633 KB

english, 2006

40

Dielectric permittivity and Cr3+ impurity ion probe luminescence in SrTiO3 sol–gel ceramics

V.A. Trepakov, M.E. Savinov, O. Okhay, A. Tkach, P.M. Vilarinho, A.L. Kholkin, I. Gregora, L. Jastrabik

Journal:

Journal of the European Ceramic Society

Year:

2007

Language:

english

File:

PDF, 136 KB

english, 2007

41

Preparation of thin phthalocyanine layers and their structural and absorption properties

Stepan Kment, Petr Kluson, Martin Drobek, Radomir Kuzel, Ivan Gregora, Michal Kohout, Zdenek Hubicka

Journal:

Thin Solid Films

Year:

2009

Language:

english

File:

PDF, 705 KB

english, 2009

42

Laser photolysis of liquid benzene and toluene: Graphitic and polymeric carbon formation at ambient temperature

J. Pola, M. Urbanová, Z. Bastl, Z. Plzák, J. Šubrt, V. Vorlíček, I. Gregora, C. Crowley, R. Taylor

Journal:

Year:

1997

Language:

english

File:

PDF, 728 KB

english, 1997

43

IR laser induced chemical vapour deposition of carbonaceous phases from 3-butyn-2-one

V. Dřínek, M. Urbanová, Z. Bastl, I. Gregora, V. Vorlíček, J. Šubrt, J. Pola

Journal:

Year:

1998

Language:

english

File:

PDF, 343 KB

english, 1998

44

Laser photolysis of liquid benzene and hexafluorobenzene: Graphitic and polymeric carbon formation at ambient temperature

M. Urbanová, Z. Bastl, Z. Plzák, J. Šubrt, I. Gregora, V. Vorlíček, J. Pola

Journal:

Year:

1998

Language:

english

File:

PDF, 317 KB

english, 1998

45

Applicability of Raman scattering for the characterization of nanocrystalline silicon

Ch Ossadnik, S Vepřek, I Gregora

Journal:

Thin Solid Films

Year:

1999

Language:

english

File:

PDF, 236 KB

english, 1999

46

Raman scattering in the proton conductor Rb3H(SeO4)2

Yu.I. Yuzyuk, V.P. Dmitriev, L.M. Rabkin, I. Gregora, F. Smutný, L.A. Shuvalov

Journal:

Solid State Ionics

Year:

1996

Language:

english

File:

PDF, 604 KB

english, 1996

47

Diagnostics of Si multi-δ-doped GaAs layers by Raman spectroscopy on bevelled structures

R Srnanek, P Gurnik, L Harmatha, I Gregora

Journal:

Applied Surface Science

Year:

2001

Language:

english

File:

PDF, 173 KB

english, 2001

48

A Raman study of GaAsN, GaInAsN layers on bevelled samples

R. Srnanek, A. Vincze, J. Kovac, I. Gregora, D.S. Mc Phail, V. Gottschalch

Journal:

Materials Science and Engineering: B

Year:

2002

Language:

english

File:

PDF, 215 KB

english, 2002

49

Preparation of silicon nanoaggregates by thermal activated reaction

Jean-Philippe Blondeau, Lévi Allam, Vincent Fleury, Patrick Simon, Ivan Gregora

Journal:

Materials Science and Engineering: B

Year:

2003

Language:

english

File:

PDF, 918 KB

english, 2003

50

Polar grain boundaries in undoped SrTiO3 ceramics

J. Petzelt, I. Gregora, I. Rychetský, T. Ostapchuk, S. Kamba, P. Vaněk, Y. Yuzyuk, A. Almeida, M.R. Chavez, B. Gorshunov, M. Dressel, S. Hoffmann-Eifert, R. Waser

Journal:

Journal of the European Ceramic Society

Year:

2001

Language:

english

File:

PDF, 190 KB

english, 2001

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