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[en] The method of electron-positron annihilation has been applied to show the existence of a new type of defects (complexities) in the Pb+0.07 at.%Au alloy. Complexities are supposed to be formed in the temperature range that provides for the energy gain. The efficiency of complexities with respect to positron capture is shown to be much higher than the efficiency of capture by vacancies

Original Title

Kompleksii-novyj tip defektov v tverdykh rastvorakh

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1310)

Secondary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1330)

Source

For English translation see the journal Soviet Physics - Solid State (USA).

Record Type

Journal Article

Journal

Fizika Tverdogo Tela; ISSN 0367-3294;

; v. 26(6); p. 1649-1653

Country of publication

USSR

Descriptors (DEI)

ANGULAR DISTRIBUTION, ANNIHILATION, GOLD ADDITIONS, LEAD ALLOYS, MEDIUM TEMPERATURE, PHOTONS, POSITRONS, TEMPERATURE DEPENDENCE, VACANCIES

Descriptors (DEC)

ALLOYS, ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, CRYSTAL DEFECTS, CRYSTAL STRUCTURE, DISTRIBUTION, ELEMENTARY PARTICLES, FERMIONS, INTERACTIONS, LEPTONS, MASSLESS PARTICLES, MATTER, PARTICLE INTERACTIONS, POINT DEFECTS

LanguageLanguage

Russian

Reference NumberReference Number

16035783

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META

Positron annihilation in molybdenum single crystal with radiation defects

Dekhtyar, I.Ya.; Adonkin, V.T.; Rustamov, Sh.A.; Dekhtyar, M.I.; Sedov, Yu.A.1979

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AbstractAbstract

[en] Positron annihilation, employed to study the radiation effect of a hard gamma-radiation upon single crystals of molybdenum, has indicated that during the annealing of defects caused in a single crystal of molybdenum by irradiation with high-energy gamma-photons, the annihilation parameter undergoes nonmonotonic decrease. The consideration of defects in single crystal leads to the conclusion that their parameters prior to annealing correspond to small-diameter pores having a positron capture effectiveness much greater than that of the vacancies. Discussed is the possible mechanism of formation of defects in gamma-irradiation

Original Title

Annigilyatsiya pozitronov v monokristalle molibdena s radiatsionnymi defektami

Primary Subject

MATERIALS SCIENCE (B2500)

Source

For English translation see the journal Physics of Metals and Metallography (USA).

Record Type

Journal Article

Journal

Fizika Metallov i Metallovedenie; ISSN 0015-3230;

; v. 48(2); p. 292-296

Country of publication

USSR

Descriptors (DEI)

ANNEALING, ANNIHILATION, CRYSTAL DEFECTS, GAMMA RADIATION, MEV RANGE 10-100, MOLYBDENUM, MONOCRYSTALS, PHYSICAL RADIATION EFFECTS, POSITRONS, TEMPERATURE DEPENDENCE

Descriptors (DEC)

ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, CRYSTAL STRUCTURE, CRYSTALS, ELECTROMAGNETIC RADIATION, ELEMENTARY PARTICLES, ELEMENTS, ENERGY RANGE, FERMIONS, HEAT TREATMENTS, INTERACTIONS, IONIZING RADIATIONS, LEPTONS, MATTER, METALS, MEV RANGE, PARTICLE INTERACTIONS, RADIATION EFFECTS, RADIATIONS, TRANSITION ELEMENTS

LanguageLanguage

Russian

Reference NumberReference Number

11558146

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META

Anizotropy of positron annihilation in CdTe monocrystals

Adonkin, V.T.; Andersen, G.Yu.; Dekhtyar, I.Ya.1986

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AbstractAbstract

[en] Investigation of anisotropy of curves of annihilation photon angular correlation (APAC) for CdTe monocrystals oriented for different crystallographic planes has been carried out. Specially unalloyed planes of CdTe monocrystals (n-type, with specific resistance ρ=10⁹ Ohmxcm at 300 K) oriented for planes (111), (110) and (100) have been investigated. The results obtained show considerable anisotropy of the effective radius value of electron localization in structure defects. Estimation of positron capture rate by structure defects in CdTe:K(110)≅4.35x10⁸ c^-1 has been carried out

Original Title

Anizotropiya pozitronnoj annigilyatsii v monokristallakh CdTe

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1310)

Source

For English translation see the journal Soviet Physics - Semiconductors (USA).

Record Type

Journal Article

Journal

Fizika i Tekhnika Poluprovodnikov; ISSN 0015-3222;

; CODEN FTPPA; v. 20(6); p. 1110-1112

Country of publication

USSR

Descriptors (DEI)

ANGULAR CORRELATION, ANISOTROPY, ANNIHILATION, CADMIUM TELLURIDES, CRYSTAL DEFECTS, MONOCRYSTALS, PHOTONS, POSITRONS

Descriptors (DEC)

ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, BOSONS, CADMIUM COMPOUNDS, CHALCOGENIDES, CORRELATIONS, CRYSTAL STRUCTURE, CRYSTALS, ELEMENTARY PARTICLES, FERMIONS, INTERACTIONS, LEPTONS, MASSLESS PARTICLES, MATTER, PARTICLE INTERACTIONS, TELLURIDES, TELLURIUM COMPOUNDS

LanguageLanguage

Russian

Reference NumberReference Number

18033718

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META

Variation of silicon energy structure under arsenic ions bombardment

Dekhtyar, I.Ya.; Sakharova, S.G.; Adonkin, V.T.; Mityagin, S.Yu.1981

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AbstractAbstract

No abstract available

Original Title

Izmenenie ehnergeticheskoj struktury kremniya pri bombardirovke ionami mysh'yaka

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1300)

Source

Short note; for English translation see the journal Soviet Physics - Semiconductors (USA).

Record Type

Journal Article

Journal

Fizika i Tekhnika Poluprovodnikov; ISSN 0015-3222;

; v. 15(12); p. 2403-2405

Country of publication

USSR

Descriptors (DEI)

ANGULAR DISTRIBUTION, ANNIHILATION, ARSENIC IONS, BAND THEORY, CRYSTAL STRUCTURE, ELECTRON-POSITRON INTERACTIONS, EV RANGE 01-10, FINE STRUCTURE, ION IMPLANTATION, KEV RANGE 10-100, MILLI EV RANGE, MONOCRYSTALS, PHOTONS, P-TYPE CONDUCTORS, RADIATION DOSES, SILICON

Descriptors (DEC)

ATOMIC IONS, CHARGED PARTICLES, CRYSTALS, DISTRIBUTION, ELEMENTARY PARTICLES, ELEMENTS, ENERGY RANGE, EV RANGE, INTERACTIONS, IONS, KEV RANGE, LEPTON-LEPTON INTERACTIONS, MASSLESS PARTICLES, PARTICLE INTERACTIONS, SEMICONDUCTOR MATERIALS, SEMIMETALS

LanguageLanguage

Russian

Reference NumberReference Number

13685216

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META

Relaxation process in metals from the positron annihilation data

Dekhtyar, I.Ya.; Adonkin, V.T.; Smolin, M.D.; Stetsenko, V.M.1985

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AbstractAbstract

[en] Positron annihilation has been employed to observe relaxation in polycrystalline metal, initiated by a thermal shock (the temperature interval was 300-80 K). A variation of the counting velocity of the angular distribution peak of γ-photons with time is assumed to be connected with internal stress on the polycrystalline grain boundaries (or subgrain ones) favouring accelerated migration of positrons to them

Original Title

Relaksatsionnyj protsess v metallakh po dannym pozitronnoj annigilyatsii

Primary Subject

MATERIALS SCIENCE (B2220)

Record Type

Journal Article

Journal

Poverkhnost': Fizika, Khimiya, Mekhanika; (no.3); p. 110-111

Country of publication

USSR

Descriptors (DEI)

ALUMINIUM, ANGULAR DISTRIBUTION, ANNIHILATION, GRAIN BOUNDARIES, INTERMETALLIC COMPOUNDS, LOW TEMPERATURE, MEDIUM TEMPERATURE, POLYCRYSTALS, POSITRONS, RELAXATION, THERMAL SHOCK, TIME DEPENDENCE

Descriptors (DEC)

ALLOYS, ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, CRYSTAL STRUCTURE, CRYSTALS, DISTRIBUTION, ELEMENTARY PARTICLES, ELEMENTS, FERMIONS, INTERACTIONS, LEPTONS, MATTER, METALS, MICROSTRUCTURE, PARTICLE INTERACTIONS

LanguageLanguage

Russian

Reference NumberReference Number

16084197

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META

To the problem of positron interaction with silicon crystals

Adonkin, V.T.; Dekhtyar, I.Ya.; Likhtorovich, S.P.1983

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AbstractAbstract

No abstract available

Original Title

K voprosu o vzaimodejstvii pozitronov s kristallami kremniya

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1300)

Source

Short note. For English translation see the journal Soviet Physics - Semiconductors (USA).

Record Type

Journal Article

Journal

Fizika i Tekhnika Poluprovodnikov; ISSN 0015-3222;

; v. 17(9); p. 1716-1718

Country of publication

USSR

Descriptors (DEI)

ANGULAR CORRELATION, ANNIHILATION, CRYSTAL DEFECTS, CRYSTALS, N-TYPE CONDUCTORS, POSITRONIUM, POSITRONS, SILICON

Descriptors (DEC)

ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, CORRELATIONS, CRYSTAL STRUCTURE, ELEMENTARY PARTICLES, ELEMENTS, FERMIONS, INTERACTIONS, LEPTONS, MATERIALS, MATTER, PARTICLE INTERACTIONS, SEMICONDUCTOR MATERIALS, SEMIMETALS

LanguageLanguage

Russian

Reference NumberReference Number

15029245

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META

Electronic structure of pure crystal surface, studied by means of positron annihilation

Dekhtyar, I.Ya.; Adonkin, V.T.; Sakharova, S.G.; Silant'ev, V.I.; Likhtorovich, S.P.1979

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AbstractAbstract

No abstract available

Original Title

Ehlektronnaya struktura chistoj poverkhnosti kristalla, izuchennaya metodom pozitronnoj annigilyatsii

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1300)

Source

Short note; for English translation see the journal Soviet Physics - Solid State (USA).

Record Type

Journal Article

Journal

Fizika Tverdogo Tela; ISSN 0367-3294;

; v. 21(6); p. 1852-1854

Country of publication

USSR

Descriptors (DEI)

ANGULAR DISTRIBUTION, ANNIHILATION, ELECTRONIC STRUCTURE, FINE STRUCTURE, MOLYBDENUM, PHOTONS, POSITRONS, SURFACES, ULTRAHIGH VACUUM

Descriptors (DEC)

ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, DISTRIBUTION, ELEMENTARY PARTICLES, ELEMENTS, FERMIONS, INTERACTIONS, LEPTONS, MASSLESS PARTICLES, MATTER, METALS, PARTICLE INTERACTIONS, TRANSITION ELEMENTS

LanguageLanguage

Russian

Reference NumberReference Number

11500766

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META

Positronium-like states in GaAs at low temperature

Dekhtyar, I.Ya.; Adonkin, V.T.; Likhtorovich, S.P.; Rustamov, Sh.A.1978

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AbstractAbstract

No abstract available

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (A1300)

Source

Short note.

Record Type

Journal Article

Journal

Physica Status Solidi. B, Basic Research; ISSN 0370-1972;

; v. 88(1); p. K55-K58

Country of publication

German Democratic Republic

Descriptors (DEI)

ANGULAR CORRELATION, ANNIHILATION, GALLIUM ARSENIDES, LOW TEMPERATURE, POSITRONIUM, POSITRONS, WAVE FUNCTIONS

Descriptors (DEC)

ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, ARSENIC COMPOUNDS, ARSENIDES, CORRELATIONS, ELEMENTARY PARTICLES, FERMIONS, FUNCTIONS, GALLIUM COMPOUNDS, INTERACTIONS, LEPTONS, MATTER, PARTICLE INTERACTIONS

Reference NumberReference Number

9412722

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