ILTPE: "Department of Spectroscopy of Molecular Systems and Nanostructured Materials"

Prof. Iryna Fugol'

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From 1965 to 1999?

Ірина Яківна Фуголь, доктор фіз.-мат. наук, професор, керівник відділу з 1965 до 1999 р.

Iryna Yakivna Fugol, Doctor of Physical and Mathematical Sciences, Professor, Head of Department (1965–1999).

По завершенні у 1954 р. Харківського університету, Ірина Яківна вступила до аспірантури при Інституті фізики АН УРСР (м. Київ), де захистила кандидитську дисертацію під керівництвом А.Ф. Прихотько. В цей період Б.І.Вєркін (ідеологічний засновник ФТІНТ та його перший директор) запропонував їй доєднатись до групи ентузіастів створення нового інституту, який мав займатись фізикою низьких температур, і вона продовжила свій науковий шлях саме у ФТІНТ практично з перших місяців його створення - з серпня 1960 року. У 1965 році вона очолила «відділ спектроскопії молекулярних систем і наноструктурних матеріалів», який було зосновано на базі лабораторії, у якій вона працювала з початку своєї кар'єри у ФТІНТ. Основні напрямки наукової діяльності нового відділу, як їх сформулювала Ірина Яківна у своїх спогадах (мовою оригіналу): «спектроскопия криокристаллов (так называли мы кристаллы отвердевших инертных газов — неона, аргона, криптона, ксенона, и простейших молекулярных газов — азота, кислорода и др.) и спектроскопия криогенной гелиевой плазмы (изучение долгоживущих метастабильных состояний в послесвечении охлаждаемой гелиевой плазмы)».

After graduating from Kharkiv University in 1954, Iryna Yakivna enrolled in the postgraduate program at the Institute of Physics of the Academy of Sciences of the Ukrainian SSR (Kyiv), where she defended her Candidate of Sciences dissertation under the supervision of A.F. Prikhodko. During this period, B.I. Verkin, the ideological founder and first director of ILTPE, invited her to join a group of enthusiasts working on the creation of a new institute dedicated to low-temperature physics. She continued her scientific career at ILTPE practically from its very inception, starting in August 1960. In 1965, she became the head of the "Molecular Spectroscopy Department," where she led research in the field of vibrational and rotational spectra of molecules at low temperatures. Under her leadership, the department made significant contributions to the study of molecular interactions, spectral shifts, and quantum effects in cryogenic conditions. Her research focused on the influence of low temperatures on molecular spectra, which allowed for a deeper understanding of intermolecular interactions and phase transitions in cryogenic systems. Over the years, her department developed unique experimental techniques and theoretical models that became widely recognized in the international scientific community. Under her leadership, the Department of Molecular Spectroscopy at ILTPE became one of the leading research centers in the field. Her team collaborated with renowned scientific institutions worldwide, contributing to the advancement of low-temperature physics.

У 1971 році Ірина Яківна захистила докторську дисертацію « Спектроскопическое исследование элементарных процессов в криогенной гелиевой плазме», а у 1978 року отримала вчене звання професора. До основних досягнень відділу за цей час відноситься відкриття співіснування когерентних і автолокалізованих екситонів атомарного та молекулярного типів у кріокристалах та нових механізмів електронно індукованої перебудови кристалічної гратки.

In 1972, she defended her doctoral dissertation, earning the degree of Doctor of Physical and Mathematical Sciences. Her research focused on the spectral properties of molecular systems at extremely low temperatures. Over the years, she mentored numerous young scientists, many of whom later became prominent researchers in the field. Throughout her career, Professor Fugol made significant contributions to the development of low-temperature molecular spectroscopy. Under her leadership, the department conducted pioneering research on the optical properties of molecular crystals, leading to important discoveries in the field. Her work was widely recognized, earning her numerous awards and distinctions.

У 80-х рр. ХХ ст. тематика відділу була розширена, почались проводитися дослідження з високотемпературної надпровідності.

І.Я. Фуголь сформувала потужну наукову школу у цих напрямах досліджень. Під її керівництвом захищено біля 20? кандидатських дисертацій і 5? докторських. Результатом наукової діяльності Ірини Яківни Фуголь стали понад 200 наукових праць, серед яких 3 огляда і глава у книзі «Кріокристали» виданої під редакцією Б.І Вєркіна і А.Ф. Прихотько. У своїх дослідженнях І.Я. Фуголь приділяла увагу розвитку технологічних аспектів. Вона є співавтором 6? авторських свідоцтв.

Наукова діяльність Ірини Яківни відзначена:

Державною премією УРСР в галузі науки і техніки (1977) - за роботу «Елементарні збудження і взаємодії між ними в кріокристалах» (в співавторстві з В.М.Локтєвим, Ю.Б.Гайдідеєм, В.Г.Манжелієм, Л.Й.Шанським та А.Ф.Прихотько);
Почесним званням «Заслужений діяч науки і техніки України» (1996) - за значний особистий внесок у розвиток науки, створення національних наукових шкіл.

Elena Savchenko

Key publications

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Author Identifiers:

A.G. Belov, I.Ya. Fugol, E.M. Yurtaeva, O.V. Bazhan. Luminescence of oxygen-rare gas exciplex compounds in rare gas matrices, J. Lumin. 91(1–2), 107-120 (2000).
DOI: 10.1016/S0022-2313(99)00623-7

A. G. Belov, E. M. Yurtaeva, I. Ya. Fugol’. Stimulation of argon desorption by an oxygen impurity, Low Temp. Phys. 26(2), 152–159 (2000).
DOI: 10.1063/1.593880

A. G. Belov, I. Ya. Fugol’, E. M. Yurtaeva. Continuous radiation of excimer complexes in argon and neon crystals, Low Temp. Phys. 24(6), 440–451 (1998).
DOI: 10.1063/1.593615

A. G. Belov, G. M. Gorbulin, I. Ya. Fugol’, E. M. Yurtaeva. Relaxation and recombination channels of formation of luminescent states in a neon crystal: Evidence of electron self-trapping, Low Temp. Phys. 23(4), 322–328 (1997).
DOI: 10.1063/1.593404

I. Fugol, C. Politis, A. Ratner, V. Samovarov, V. Zhuravlev. On the physical nature of the wide band at 2.8 eV in the visible luminescence spectrum of high-T_c superconductors, J. Lumin. 62(6), 291-298 (1994).
DOI: 10.1016/0022-2313(94)90049-3

E. I. Tarasova, A. M. Ratner, V. M. Stepanenko, I. Ya. Fugol, M. Chergui, R. Schriever, N. Schwentner. Photodissociation of water in rare gas matrices: Cage effect and local heating of the lattice, J. Chem. Phys. 98, 7786–7791 (1993)
DOI: 10.1063/1.464586

I. Fugol, V. Samovarov, A. Ratner, V. Zhuravlev, G. Saemann-Ischenko, B. Holzapfel, O. Meyer. Temperature variations of the energy spectrum of high temperature superconductors near the fermi level seen by optical absorption, Sol. Stat. Comm. 86(6), 385-391 (1993).
DOI: 10.1016/0038-1098(93)90863-I

I. Fugol', V. Samovarov, A. Ratner, V. Zhuravlev, G. Saemann-Ischenko, M. Lippert, B. Holzapfel. Anomalies in the temperature behaviour of absorption in the optical 1.5–3.0 eV range for the high-T_c superconductor YBa₂Cu₃O_7-δ, Physica C 216(3–4), 391-400 (1993).
DOI: 10.1016/0921-4534(93)90082-2

I.Ya. Fugol', E.V. Savchenko, A.N. Ogurtsov, O.N. Grigorashchenko. Electronically induced changes in structural properties of solid Kr, Physica B 190(4), 347-351 (1993).
DOI: 10.1016/0921-4526(93)90194-B

A. G. Belov, I. Ya. Fugol, E. M. Yurtaeva. The Kinetics of Excitons in Krypton Cryocrystals with Impurity Traps, Phys. Stat. Solidi B 175(1), 123-134 (1993).
DOI: 10.1002/pssb.2221750110

I.Ya. Fugol', O.N. Grigorashchenko, A.N. Ogurtsov, E.V. Savchenko. Defect formation by excited-state mechanisms in rare gas solids, J. Lumin. 53(1–6), 517-518 (1992).
DOI: 10.1016/0022-2313(92)90212-R

I. Ya. Fugol, A. M. Ratner, E. I. Tarasova. Redistribution of Resonance Bonds and Dynamics of Two-Center Self-Trapping in Rare-Gas Crystals, Phys. Stat. Solidi B 170(1), 135-144 (1992).
DOI: 10.1002/pssb.2221700116

I. Fugol, G. Saemann-Ischenko, V. Samovarov, Yu. Rybalko, V. Zhuravlev, Y. Ströbel, B. Holzäpfel, P. Berberich. Optical transition studies of YBa₂Cu₃O_7-δ superconducting films in 1.5–3.0 eV spectral range: Temperature evolution and photoinduced changes of the absorption spectra, Sol. Stat. Comm. 80(3), 201-206 (1991).
DOI: 10.1016/0038-1098(91)90181-T

A.M. Ratner, I.Ya. Fugol', A.G. Belov, Yu.L. Steshenko. Competition and transfer of excimer resonant bindings in rare-gas crystals, Phys. Lett. A 137(7–8), 403-408 (1989).
DOI: 10.1016/0375-9601(89)90914-6

I.Ya. Fugol'. Free and self-trapped excitons in cryocrystals: kinetics and relaxation processes, Adv. Phys. 37(1), 1-35 (1988).
DOI: 10.1080/00018738800101349

E.V. Savchenko, Yu.I. Rybalko, I.Ya. Fugol’. Defect formation in self-trapping of excitons in solid neon, JETP Lett. 42(5), 210 (1985).
Article page // PDF (open access).

“Cryocrystals” A.F. Prikhot’ko, V.G. Manzhelii, I.Ya. Fugol’, Yu.B. Gaididei, I.N. Krypskii, V.M. Loktev, E.V. Savchenko, V.A. Slusarev, M.A. Strzhemechny, Yu.A. Freiman, L.I. Shanskii. Eds. B.I. Verkin, A.F. Prikhot’ko (Naukova Dumka, Kiev, 1983, p.526).

I. Ya. Fugol, O. N. Grigorashchenko, E. V. Savchenko. Polariton and Spatial Dispersion Effects in Exciton Spectra of Xenon Cryocrystals, Phys. Stat. Solidi B 111(1), 397-406 (1982).
DOI: 10.1002/pssb.2221110145

I.Ya. Fugol', O.N. Grigorashchenko, A.M. Ratner, E.V. Savchenko. Effects of exciton-photon interaction and spatial dispersion in xenon crystals, Sol. Stat. Comm. 38(11), 1031-1035 (1981).
DOI: 10.1016/0038-1098(81)90011-9

I.Ya. Fugol', Yu.B. Poltoratski. Luminescence and biexcitons in nitrogen crystals, Sol. Stat. Comm. 30(8), 497-500 (1979).
DOI: 10.1016/0038-1098(79)91225-0

Irene Ya Fugol'. Excitons in rare-gas crystals, Adv. Phys. 27(1), (1978)
DOI: 10.1080/00018737800101344

I.Ya. Fugol, A.G. Belov. Emission from impurity molecular centres in binary solutions of inert crystals, Sol. Stat. Comm. 17(9), 1125-1130 (1975).
DOI: 10.1016/0038-1098(75)90270-7

A.G. Belov, I.Ya. Fugol', E.V. Savchenko. Cathodo-luminescence of rare-gas solid solutions, Sol. Stat. Comm. 12(1), 1-4 (1973).
DOI: 10.1016/0038-1098(73)90331-1

I.Ya. Fugol'. Processes of elastic scattering of metastable helium atoms in helium gas, Phys. Usp. 12(2), 182–194 (1969).
DOI: 10.1070/PU1969v012n02ABEH003932

Prof. Volodymyr Samovarov

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h:?

From 1968 to 2019

homepage

Prof. Volodymyr Samovarov (1946 – 2021), Doctor of Physical and Mathematical Sciences, Professor, head of the department from 1999 to 2014.

Prof. Samovarov began his scientific career at the Institute immediately after graduating from the Faculty of Physics at Kharkiv State University in 1968. Two years later, he became a junior researcher, and in 1978, he defended his candidate dissertation. In 1983, he becomes a senior researcher, and in 1999 – the head of our department. In 2001, Prof. Samovarov obtained the degree of Doctor of Physical and Mathematical Sciences by defending a dissertation in the field of superconductivity. From 2006 to 2014, Prof. Samovarov served as the deputy director of the institute for research work. Since 2014, he held the position of leading researcher in the department.

Upon taking over the Department of Spectroscopy of Condensed Molecular Systems, Prof. Samovarov significantly expanded its research themes, particularly by adding the physics of nanoclusters of atomic and simple molecular gases. As a result of his fruitful scientific activity, Prof. Samovarov authored over 200 scientific papers and 5 patents dedicated to the study of cryogenic helium plasma, optical spectroscopy of cryocrystals of inert elements and high-temperature superconductors, as well as spectroscopic and structural studies of nanoclusters of atomic and molecular gases. Under his guidance, 2 candidate dissertations were defended.

Among the most significant scientific results of Prof. Samovarov, the following can be highlighted: the discovery of the sensitivity of absorption spectra of visible-range quanta to the onset of superconductivity in YBa₂Cu₃O_6+x, the development of an optical diagnostics method for the “stripe” state of cuprate high-temperature superconductors, the first observation of exciton-impurity luminescence in binary systems of inert elements, the identification of a new structural state of nitrogen based on dimers of nitrogen molecules, the detection of phase separation effects into practically pure components of solid binary nanosolutions with limited solubility of components, and the first observation of a “pseudocrystalline” state for clusters of rare gases.

Prof. Samovarov’s scientific work has been recognized with the B.I. Verkin award (2008) and the National Academy of Sciences of Ukraine’s distinction “For Professional Achievements” (2009).

Volodymyr Vakula

Dr. Spartak Kovalenko

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From 2000 to 2015

Dr. Spartak Kovalenko (1927 – 2022), Candidate of Physical and Mathematical Sciences.

Dr. Kovalenko began his work at the institute in 1964. Since then, for over 50 years, his life had been inextricably linked to it. In 1972, he defended his candidate dissertation. Throughout his fruitful scientific career, Dr. Kovalenko authored over 200 scientific papers, which are widely cited in the international scientific literature. The results he obtained are reflected in many domestic and foreign monographs and reference books. Dr. Kovalenko was repeatedly invited to participate in international conferences, particularly to give overview presentations.

For many years, Dr. Kovalenko conducted electron diffraction research on the structure and properties of thin films, microcrystals, and free clusters of substances from the class of cryocrystals. Under his direct supervision, three candidate dissertations were written and defended. The works of Dr. Kovalenko and his students initiated a new direction in scientific research – low-temperature electron diffraction, which forms the basis of a whole series of scientific achievements of the institute.

Volodymyr Vakula

Key publications

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Author Identifiers:

O.G. Danylchenko, S.I. Kovalenko, O.P. Konotop, and V.N. Samovarov. Diagnostics of composition and size of clusters formed in supersonic jets of Ar-Kr gas mixtures, Low Temp. Phys. 41(8), 637 (2015).
DOI: 10.1063/1.4928921.

O.P. Konotop, S.I. Kovalenko, O.G. Danylchenko, and V.N. Samovarov. Composition of Ar-Kr, Kr-Xe, and N₂-Ar clusters produced by supersonic expansion of gas mixtures, J. Clust. Sci. 26(3), 863-875 (2015).
DOI: 10.1007/s10876-014-0773-6.

O.G. Danylchenko, S.I. Kovalenko, O.P. Konotop, and V.N. Samovarov. Electron diffraction data on nucleation and growth of an hcp phase in homogeneous (Ar) and heterogeneous (Ar-Kr) clusters, Low Temp. Phys. 40(12), 1083 (2014).
DOI: 10.1063/1.4904000.

O.G. Danylchenko, S.I. Kovalenko, O.P. Konotop, and V.N. Samovarov. Dimensions of heterogeneous clusters formed during condensation of Ar-Kr mixtures in supersonic jet, Tech. Phys. Lett. 38(7), 64-72 (2012).
DOI: 10.1134/S1063785012040049.

A.G. Danilchenko, S.I. Kovalenko, A.P. Konotop, and V.N. Samovarov. Composition and heavy component enrichment of free Ar-Kr and Kr-Xe clusters, Low Temp. Phys. 37(6), 532 (2011).
DOI: 10.1063/1.3624770.

A.G. Danil’chenko, S.I. Kovalenko, and V.N. Samovarov. Cluster formation in supersonic СО₂ and CO₂–Kr jets, Low Temp. Phys. 35(12), 965 (2009).
DOI: 10.1063/1.3272565.

V.L. Vakula, O.G. Danylchenko, Yu.S. Doronin, S.I. Kovalenko, M.Yu. Libin, and V.N. Samovarov. Observation of exciton luminescence from icosahedral xenon-argon clusters, Low Temp. Phys. 35(12), 944 (2009).
DOI: 10.1063/1.3276058.

O.G. Danylchenko, S.I. Kovalenko, and V.N. Samovarov. Experimental verification of the Hagena relation for large clusters formed in a conical nozzle, Tech. Phys. Lett. 34(12), 1037 (2008).
DOI: 10.1134/S1063785008120146.

A.G. Danil’chenko, S.I. Kovalenko, and V.N. Samovarov. Observation of the coexistence of crystalline and liquid-like states in krypton-doped argon clusters, Low Temp. Phys. 34(12), 1030 (2008).
DOI: 10.1063/1.3029757.

A.G. Danil’chenko, S.I. Kovalenko, and V.N. Samovarov. Electron diffraction analysis of the FCC–HCP transition in argon clusters with a change in cluster size, Low Temp. Phys. 34(11), 966 (2008).
DOI: 10.1063/1.3009597.

V.L. Vakula, A.G. Danil’chenko, Yu.S. Doronin, S.I. Kovalenko, M.Yu. Libin, and V.N. Samovarov. Direct observation of free excitons in the luminescence spectra of xenon clusters, Low Temp. Phys. 33(4), 383 (2007).
DOI: 10.1063/1.2720088.

O.G. Danylchenko, Yu.S. Doronin, S.I. Kovalenko, M.Yu. Libin, V.N. Samovarov, and V.L. Vakula. Luminescence evidence for bulk and surface excitons in free xenon clusters, Phys. Rev. A 76(4), 043202 (6 pp.) (2007).
DOI: 10.1103/PhysRevA.76.043202.

O.G. Danylchenko, S.I. Kovalenko, and V.N. Samovarov. Structure of mixed clusters formed in supersonic jets of Ar-N₂ gas mixtures, Low Temp. Phys. 33(12), 1043 (2007).
DOI: 10.1063/1.2747089.

O.G. Danylchenko, S.I. Kovalenko, and V.N. Samovarov. Electron diffraction study of two-component clusters Ar–Kr: Features of the nucleation, growth mechanisms, and structural states, Low Temp. Phys. 32(12), 1182 (2006).
DOI: 10.1063/1.2400697.

O.G. Danylchenko, Yu.S. Doronin, S.I. Kovalenko, and V.N. Samovarov. Phase separation into pure components in mixed Ar-Xe clusters, JETP Lett. 84(6), 324 (2006).
DOI: 10.1134/S002136400618010X.

A.G. Danil’chenko, S.I. Kovalenko, and V.N. Samovarov. Kinetics of homogeneous crystallization of nitrogen according to electron diffraction data for free clusters, Low Temp. Phys. 31(11), 979 (2005).
DOI: 10.1063/1.2127890.

A.G. Danylchenko and S.I. Kovalenko. Structural transformations in argon nanoclusters (in Russian), Nanosistemi, nanomateriali, nanotehnologii 3(2), 529 (2005).
ISSN 1816-5230 (offsite).

E.A. Bondarenko, E.T. Verkhovtseva, E.V. Gnatchenko, O.G. Danylchenko, Yu.S. Doronin, S.I. Kovalenko, V.N. Samovarov, and A.A. Tkachenko. Spectroscopic, structural, and diagnostic methods for studying rare-gas clusters using supersonic jets (in Russian), Nanosistemi, nanomateriali, nanotehnologii 3(2), 521-528 (2005).
ISSN 1816-5230 (offsite).

Dr. Andrii Barabashov

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From 2014 to 2020

homepage

Candidate of Sciences in Physics and Mathematics (Doctor of Philosophy).

Anton Klimkin

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From 2014 to 2017

PhD student.

Key publications

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V.A. Gudimenko, D.A. Harbuz, A.S. Klimkin, V.L. Vakula, A.P. Pospelov, G.V. Kamarchuk. Selection of point-contact sensors for analysis of complex gas media, KhNU Bulletin, series “Physics”, issue 27, 26-30 (2017).
Article page // PDF (open access).

S.A. Golovko, V.A. Gudimenko, A.S. Klimkin, A.M. Pletnev, V.L. Vakula, A.S. Zaika, L.V. Kamarchuk, I.G. Kushch, A.P. Pospelov, A.V. Kravchenko, and G.V. Kamarchuk. Development of criteria for analysis of point-contact sensor characteristics in complex gas media, Univers. J. Mater. Sci. 4(2), 32 (2016).
DOI: 10.13189/ujms.2016.040203.

A.S. Klimkin, V.A. Gudimenko, A.O. Gerus, V.V. Fisun, A.P. Pospelov, G.V. Kamarchuk, Study of tungsten point contacts’ electric conductivity in a complex gas medium, Visnyk KhNU “Physics” 1158, No. 23, 80-83 (2015).
Article page // PDF (open access).

Svitlana Golovko

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From 2012 to 2015

PhD student.

Key publications

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A.S. Klimkin, V.A. Gudimenko, A.O. Gerus, V.V. Fisun, A.P. Pospelov, G.V. Kamarchuk, Study of tungsten point contacts’ electric conductivity in a complex gas medium, Visnyk KhNU “Physics” 1158, No. 23, 80-83 (2015).
Article page // PDF (open access).

Platon Dmitriev

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From 2019 to 2023

homepage

PhD student.

Maxym Maslivets

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From 2015 to 2018

Graduate student.

Key publications

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Maslivets M.А., Bofanova M.V., Gudimenko V.A., Pospelov А.P., Sakhnenko N.D., Ved’ M.V., Kamarchuk G.V. Nonlinear conductivity features of Yanson point contacts based on W-Mo-Co alloy under the action of gas media, VIII International conference on Optoelectronic Information Technologies «Photonics-ODS 2018». Ukraine, Vinnytsia, October 2-4, 2018, p. 256-257.

Maslivets M.А., Bofanova M.V., Yermolenko I. Yu., Gudimenko V.A., Sakhnenko N.D., Kamarchuk G.V., Ved’ M.V., Pospelov А.P. Nanostructured sensing element based on ternary W–Mo–Co alloy, "XIII International Scientific Conference “Physical Phenomena in Solids”, Ukraine, Kharkiv, December 5-8, 2017, p. 48 (60).

Bofanova M.V., Maslivets M.А., Yermolenko I. Yu., Gudimenko V.A., Sakhnenko N.D., Kamarchuk G.V., Ved’ M.V., Pospelov А.P. Nanostructured sensor element based on synergetic alloys for operational environmental monitoring, Proceedings of the 5th Іnternational Scientific Conference Young Scientists «Ecology, Neoekology, Environment Protection and Balanced Natural Management», Ukraine, Kharkiv, November 29 – 30, 2017, pp. 168-169.

Maslivets M.A., Klimkin A.S., Gudimenko V.A., Pospelov A.P., Kamarchuk G.V. Gas-sensitive point contacts' nonmonotonic response under human breath gas, «OPTICS-2017», Poland, Wroclaw, July 3-7, 2017.

Klimkin A.S., Maslivets M.А., Gudimenko V.A., Pospelov А.P., Kamarchuk G.V. Investigation of the gas-sensitive point contacts’ nonmonotonic response under human breath gas, «ICYS-LTP-2016», Ukraine, Kharkiv, June 6-10, 2016, p. 140.

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