12 research outputs found
Lignite from Central Watershed of the Yenisei River and Prospects for their use for Manufacture of Germanium
ΠΠΈΠ³Π½ΠΈΡΡ ΡΡΠ΅Π΄Π½Π΅Π³ΠΎ ΡΠ΅ΡΠ΅Π½ΠΈΡ Ρ. ΠΠ½ΠΈΡΠ΅ΠΉ, Π»ΠΎΠΊΠ°Π»ΠΈΠ·ΠΎΠ²Π°Π½Π½ΡΠ΅ Π² ΠΏΡΠ΅Π΄Π΅Π»Π°Ρ
ΠΌΠ΅Π·ΠΎΠΊΠ°ΠΉΠ½ΠΎΠ·ΠΎΠΉΡΠΊΠΈΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ
ΠΠ°ΡΡΠΊΠΎΠΉ Π²ΠΏΠ°Π΄ΠΈΠ½Ρ, ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°ΡΡΡΡ ΠΊΠ°ΠΊ Π½ΠΎΠ²ΡΠΉ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Π½ΡΠΉ ΠΈΡΡΠΎΡΠ½ΠΈΠΊ Π³Π΅ΡΠΌΠ°Π½ΠΈΠ΅Π²ΠΎΠ³ΠΎ ΡΡΡΡΡ
Π² Π ΠΎΡΡΠΈΠΈ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΠ·ΡΡΠ΅Π½ΠΈΡ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΈ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΠ΅ ΠΎΡΠ΅Π½ΠΈΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΡ Π³Π΅ΡΠΌΠ°Π½ΠΈΡ ΠΈΠ· Π»ΠΈΠ³Π½ΠΈΡΠΎΠ² Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΈΡ
ΡΠΆΠΈΠ³Π°Π½ΠΈΡ Π΄Π»Ρ ΠΎΡΡΠ°Π±ΠΎΡΠΊΠΈ, Π° Π² ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅ΠΌ Π΄Π»Ρ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΠΉ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ Π΅Π³ΠΎ ΠΈΠ·Π²Π»Π΅ΡΠ΅Π½ΠΈΡLignite from central watershed of the Yenisei river localized within the Meso-Cenozoic cavity deposit
considered as a promising new source of germanium raw materials in Russia. Germanium separating
possibility from lignite during the combustion process has been studied on the base of physical and
chemical properties research in order to develop the industrial technolog
Influence of Crystal Structure on the Electrical Conductivity of Semiconducting Germanium
Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ Ρ
Π°ΡΠ°ΠΊΡΠ΅Ρ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·ΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΎΡΡΠΈ ΠΈ ΡΡΡΠΎΠ΅Π½ΠΈΡ ΠΏΠΎΠ»ΠΈΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² Π³Π΅ΡΠΌΠ°Π½ΠΈΡ ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° (ΠΠΠ) ΠΈ ΠΎΡΠΎΠ±ΠΎ ΡΠΈΡΡΠΎΠ³ΠΎ Π³Π΅ΡΠΌΠ°Π½ΠΈΡ
(ΠΠ§Π). Π£Π΄Π΅Π»ΡΠ½Π°Ρ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΠΠΠ ΡΠ½ΠΈΠΆΠ°Π΅ΡΡΡ ΠΏΡΠΈ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠΈ ΡΠ°Π·ΠΌΠ΅ΡΠ°
ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠΎΠ², ΡΡΠΎ ΡΠ²ΡΠ·Π°Π½ΠΎ Ρ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΏΠΎΠ΄Π²ΠΈΠΆΠ½ΠΎΡΡΠΈ Π½ΠΎΡΠΈΡΠ΅Π»Π΅ΠΉ Π·Π°ΡΡΠ΄Π°, Π²ΡΠ·Π²Π°Π½Π½ΡΠΌ
ΠΈΡ
ΡΠ°ΡΡΠ΅ΡΠ½ΠΈΠ΅ΠΌ Π½Π° Π³ΡΠ°Π½ΠΈΡΠ°Ρ
ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠΎΠ². ΠΡΠΎΡΠΈΠ²ΠΎΠΏΠΎΠ»ΠΎΠΆΠ½Π°Ρ ΡΠ΅Π½Π΄Π΅Π½ΡΠΈΡ Π²ΡΡΠ²Π»Π΅Π½Π° ΠΏΡΠΈ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΈ ΠΠ§Π, Π΅Π³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΎΡΡΡ Π²ΠΎΠ·ΡΠ°ΡΡΠ°Π΅Ρ Ρ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΡΠ°Π·ΠΌΠ΅ΡΠ° ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠΎΠ²
Π²ΡΠ»Π΅Π΄ΡΡΠ²ΠΈΠ΅ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΡΡ
ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΡΡ
ΡΠΎΡΡΠΎΡΠ½ΠΈΠΉ.The correlation of the electrical conductivity and structure of polycrystalline semiconductor optical
germanium (SOGe) and high-pure germanium (HPGe) is established. The conductivity of SOGe is
reduced with decrease of grain size, that is connected to decrease of carrier mobility, as result of
dispersion on crystallites boundaries. The conductivity of HPGe is increased with reduced grain size,
following increased electronic surface states concentration
Influence of Crystal Structure on the Electrical Conductivity of Semiconducting Germanium
Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ Ρ
Π°ΡΠ°ΠΊΡΠ΅Ρ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·ΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΎΡΡΠΈ ΠΈ ΡΡΡΠΎΠ΅Π½ΠΈΡ ΠΏΠΎΠ»ΠΈΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² Π³Π΅ΡΠΌΠ°Π½ΠΈΡ ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° (ΠΠΠ) ΠΈ ΠΎΡΠΎΠ±ΠΎ ΡΠΈΡΡΠΎΠ³ΠΎ Π³Π΅ΡΠΌΠ°Π½ΠΈΡ
(ΠΠ§Π). Π£Π΄Π΅Π»ΡΠ½Π°Ρ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΠΠΠ ΡΠ½ΠΈΠΆΠ°Π΅ΡΡΡ ΠΏΡΠΈ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠΈ ΡΠ°Π·ΠΌΠ΅ΡΠ°
ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠΎΠ², ΡΡΠΎ ΡΠ²ΡΠ·Π°Π½ΠΎ Ρ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΏΠΎΠ΄Π²ΠΈΠΆΠ½ΠΎΡΡΠΈ Π½ΠΎΡΠΈΡΠ΅Π»Π΅ΠΉ Π·Π°ΡΡΠ΄Π°, Π²ΡΠ·Π²Π°Π½Π½ΡΠΌ
ΠΈΡ
ΡΠ°ΡΡΠ΅ΡΠ½ΠΈΠ΅ΠΌ Π½Π° Π³ΡΠ°Π½ΠΈΡΠ°Ρ
ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠΎΠ². ΠΡΠΎΡΠΈΠ²ΠΎΠΏΠΎΠ»ΠΎΠΆΠ½Π°Ρ ΡΠ΅Π½Π΄Π΅Π½ΡΠΈΡ Π²ΡΡΠ²Π»Π΅Π½Π° ΠΏΡΠΈ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΈ ΠΠ§Π, Π΅Π³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΎΡΡΡ Π²ΠΎΠ·ΡΠ°ΡΡΠ°Π΅Ρ Ρ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΡΠ°Π·ΠΌΠ΅ΡΠ° ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΡΠΎΠ²
Π²ΡΠ»Π΅Π΄ΡΡΠ²ΠΈΠ΅ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΡΡ
ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΡΡ
ΡΠΎΡΡΠΎΡΠ½ΠΈΠΉ.The correlation of the electrical conductivity and structure of polycrystalline semiconductor optical
germanium (SOGe) and high-pure germanium (HPGe) is established. The conductivity of SOGe is
reduced with decrease of grain size, that is connected to decrease of carrier mobility, as result of
dispersion on crystallites boundaries. The conductivity of HPGe is increased with reduced grain size,
following increased electronic surface states concentration
Rare Earth Elements in the Lignite Ash Determination Method Development
ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ Π·ΠΎΠ»Π° Π»ΠΈΠ³Π½ΠΈΡΠΎΠ² Π±Π°ΡΡΠ΅ΠΉΠ½Π° ΡΡΠ΅Π΄Π½Π΅Π³ΠΎ ΡΠ΅ΡΠ΅Π½ΠΈΡ Ρ. ΠΠ½ΠΈΡΠ΅ΠΉ ΠΌΠΎΠΆΠ΅Ρ ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°ΡΡΡΡ ΠΊΠ°ΠΊ ΡΡΡΡΠ΅Π²ΠΎΠΉ ΠΈΡΡΠΎΡΠ½ΠΈΠΊ ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ². Π Π°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° Π°ΡΠΎΠΌΠ½ΠΎ-ΡΠΌΠΈΡΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ Ρ ΠΈΠ½Π΄ΡΠΊΡΠΈΠ²Π½ΠΎ ΡΠ²ΡΠ·Π°Π½Π½ΠΎΠΉ ΠΏΠ»Π°Π·ΠΌΠΎΠΉ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ΅Π΄ΠΊΠΎΠ·Π΅ΠΌΠ΅Π»ΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ² Π² Π·ΠΎΠ»Π΅ Π»ΠΈΠ³Π½ΠΈΡΠ° ΠΠ°ΡΡΠΊΠΎΠ³ΠΎ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ. ΠΡΡΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΡΡΠΌΠΌΠ°ΡΠ½ΠΎΠ΅ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ Π ΠΠ ΡΠΎΡΡΠ°Π²Π»ΡΠ΅Ρ ΠΎΡ 300 Π΄ΠΎ 2500 Π³/ΡThe possibility of using the lignite ash from central watershed of the Yenisei river as a new rare earth elements raw material source was shown. Lignite ash rare earth elements inductively coupled plasma atomic emission spectroscopy determination method was developed. It was found that total concentration of rare earth elements in the ash is from 300 to 2500 g/
The Interaction of the Gas Phase with the Germanium Melt in the Process of Crystals Growth
ΠΡΠΎΠ²Π΅Π΄Π΅Π½ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ Π°Π½Π°Π»ΠΈΠ· Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ Π³Π°Π·ΠΎΠ²ΠΎΠΉ ΡΠ°Π·Ρ Ρ ΡΠ°ΡΠΏΠ»Π°Π²ΠΎΠΌ Π² Ρ
ΠΎΠ΄Π΅
Π²ΡΡΠ°ΡΠΈΠ²Π°Π½ΠΈΡ ΠΌΠΎΠ½ΠΎΠΊΡΠΈΡΡΠ°Π»Π»ΠΎΠ² Π³Π΅ΡΠΌΠ°Π½ΠΈΡ. Π Π°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ ΠΏΡΠΎΡΠ΅ΡΡΡ ΡΠΎΡΡΠ° ΠΊΡΠΈΡΡΠ°Π»Π»ΠΎΠ² Π²
ΡΡΠ΅Π΄Π΅ ΠΈΠ½Π΅ΡΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·Π° ΠΈ ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΠ·Π°ΡΠΈΠΈ Ge Π² ΡΡΠ΅Π΄Π΅ Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Π°. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Ρ
ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π² ΡΠ»ΠΈΡΠΊΠ°Ρ
ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ Π³Π΅ΡΠΌΠ°Π½ΠΈΡ Ρ ΠΏΠ°ΡΡΠΈΠ°Π»ΡΠ½ΡΠΌ Π΄Π°Π²Π»Π΅Π½ΠΈΠ΅ΠΌ
ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π² ΠΈΠ½Π΅ΡΡΠ½ΠΎΠΌ Π³Π°Π·Π΅ ΠΈ ΠΏΠ°ΡΡΠΈΠ°Π»ΡΠ½ΡΠΌ Π΄Π°Π²Π»Π΅Π½ΠΈΠ΅ΠΌ Π²ΠΎΠ΄ΡΠ½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠ°
Π² Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Π΅. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π°
ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΌΠΎΠ΄Π΅Π»Ρ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° ΠΈ Π²Π»Π°Π³ΠΈ Π² Π³Π°Π·ΠΎΠ²ΠΎΠΉ ΡΡΠ΅Π΄Π΅ Ρ ΡΠ°ΡΠΏΠ»Π°Π²ΠΎΠΌ
Π³Π΅ΡΠΌΠ°Π½ΠΈΡA thermodynamic analysis of the interaction of the gas phase with the germanium melt during of crystal growth was carried out. The processes of crystal growth in inert gas and crystallization of germanium in a hydrogen atmosphere was considered. Quantitative relationship of oxygen concentration in the semiconductor Ge with a of an inert gas and in hydrogen has been established. A thermodynamic model of the interaction of the gas phase with the germanium melt in the process of crystals growth was create
Dissolution of Oxygen in Germanium in the Process of Crystals Growth
ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΠ-Π€ΡΡΡΠ΅ ΡΠΏΠ΅ΠΊΡΡΠΎΠΌΠ΅ΡΡΠΈΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π² ΠΌΠΎΠ½ΠΎΠΊΡΠΈΡΡΠ°Π»Π»Π°Ρ
Π³Π΅ΡΠΌΠ°Π½ΠΈΡ, Π²ΡΡΠ°ΡΠ΅Π½Π½ΡΡ
ΠΏΠΎ ΠΌΠ΅ΡΠΎΠ΄Ρ Π§ΠΎΡ
ΡΠ°Π»ΡΡΠΊΠΎΠ³ΠΎ. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ Π°Π½Π°Π»ΠΈΠ· ΠΏΡΠΎΡΠ΅ΡΡΠ° ΡΠ°ΡΡΠ²ΠΎΡΠ΅Π½ΠΈΡ Π² Ge ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π°, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠ΅Π³ΠΎΡΡ Π² Π³Π°Π·ΠΎΠ²ΠΎΠΉ ΡΠ°Π·Π΅.The oxygen content of germanium single crystals grown by the Czochralski method has been determined by the method of Fourier-transform infrared spectroscopy. A thermodynamic analysis of the dissolution process of oxygen in germanium during of crystal growth was carried out
Dissolution of Oxygen in Germanium in the Process of Crystals Growth
ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΠ-Π€ΡΡΡΠ΅ ΡΠΏΠ΅ΠΊΡΡΠΎΠΌΠ΅ΡΡΠΈΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΎ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π² ΠΌΠΎΠ½ΠΎΠΊΡΠΈΡΡΠ°Π»Π»Π°Ρ
Π³Π΅ΡΠΌΠ°Π½ΠΈΡ, Π²ΡΡΠ°ΡΠ΅Π½Π½ΡΡ
ΠΏΠΎ ΠΌΠ΅ΡΠΎΠ΄Ρ Π§ΠΎΡ
ΡΠ°Π»ΡΡΠΊΠΎΠ³ΠΎ. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ Π°Π½Π°Π»ΠΈΠ· ΠΏΡΠΎΡΠ΅ΡΡΠ° ΡΠ°ΡΡΠ²ΠΎΡΠ΅Π½ΠΈΡ Π² Ge ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π°, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠ΅Π³ΠΎΡΡ Π² Π³Π°Π·ΠΎΠ²ΠΎΠΉ ΡΠ°Π·Π΅.The oxygen content of germanium single crystals grown by the Czochralski method has been determined by the method of Fourier-transform infrared spectroscopy. A thermodynamic analysis of the dissolution process of oxygen in germanium during of crystal growth was carried out
Lignite from Central Watershed of the Yenisei River and Prospects for their use for Manufacture of Germanium
ΠΠΈΠ³Π½ΠΈΡΡ ΡΡΠ΅Π΄Π½Π΅Π³ΠΎ ΡΠ΅ΡΠ΅Π½ΠΈΡ Ρ. ΠΠ½ΠΈΡΠ΅ΠΉ, Π»ΠΎΠΊΠ°Π»ΠΈΠ·ΠΎΠ²Π°Π½Π½ΡΠ΅ Π² ΠΏΡΠ΅Π΄Π΅Π»Π°Ρ
ΠΌΠ΅Π·ΠΎΠΊΠ°ΠΉΠ½ΠΎΠ·ΠΎΠΉΡΠΊΠΈΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ
ΠΠ°ΡΡΠΊΠΎΠΉ Π²ΠΏΠ°Π΄ΠΈΠ½Ρ, ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°ΡΡΡΡ ΠΊΠ°ΠΊ Π½ΠΎΠ²ΡΠΉ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Π½ΡΠΉ ΠΈΡΡΠΎΡΠ½ΠΈΠΊ Π³Π΅ΡΠΌΠ°Π½ΠΈΠ΅Π²ΠΎΠ³ΠΎ ΡΡΡΡΡ
Π² Π ΠΎΡΡΠΈΠΈ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΠ·ΡΡΠ΅Π½ΠΈΡ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΈ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΠ΅ ΠΎΡΠ΅Π½ΠΈΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΡ Π³Π΅ΡΠΌΠ°Π½ΠΈΡ ΠΈΠ· Π»ΠΈΠ³Π½ΠΈΡΠΎΠ² Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΈΡ
ΡΠΆΠΈΠ³Π°Π½ΠΈΡ Π΄Π»Ρ ΠΎΡΡΠ°Π±ΠΎΡΠΊΠΈ, Π° Π² ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅ΠΌ Π΄Π»Ρ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΠΉ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ Π΅Π³ΠΎ ΠΈΠ·Π²Π»Π΅ΡΠ΅Π½ΠΈΡLignite from central watershed of the Yenisei river localized within the Meso-Cenozoic cavity deposit
considered as a promising new source of germanium raw materials in Russia. Germanium separating
possibility from lignite during the combustion process has been studied on the base of physical and
chemical properties research in order to develop the industrial technolog
The Interaction of the Gas Phase with the Germanium Melt in the Process of Crystals Growth
ΠΡΠΎΠ²Π΅Π΄Π΅Π½ ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ Π°Π½Π°Π»ΠΈΠ· Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ Π³Π°Π·ΠΎΠ²ΠΎΠΉ ΡΠ°Π·Ρ Ρ ΡΠ°ΡΠΏΠ»Π°Π²ΠΎΠΌ Π² Ρ
ΠΎΠ΄Π΅
Π²ΡΡΠ°ΡΠΈΠ²Π°Π½ΠΈΡ ΠΌΠΎΠ½ΠΎΠΊΡΠΈΡΡΠ°Π»Π»ΠΎΠ² Π³Π΅ΡΠΌΠ°Π½ΠΈΡ. Π Π°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ ΠΏΡΠΎΡΠ΅ΡΡΡ ΡΠΎΡΡΠ° ΠΊΡΠΈΡΡΠ°Π»Π»ΠΎΠ² Π²
ΡΡΠ΅Π΄Π΅ ΠΈΠ½Π΅ΡΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·Π° ΠΈ ΠΊΡΠΈΡΡΠ°Π»Π»ΠΈΠ·Π°ΡΠΈΠΈ Ge Π² ΡΡΠ΅Π΄Π΅ Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Π°. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Ρ
ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π² ΡΠ»ΠΈΡΠΊΠ°Ρ
ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ Π³Π΅ΡΠΌΠ°Π½ΠΈΡ Ρ ΠΏΠ°ΡΡΠΈΠ°Π»ΡΠ½ΡΠΌ Π΄Π°Π²Π»Π΅Π½ΠΈΠ΅ΠΌ
ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° Π² ΠΈΠ½Π΅ΡΡΠ½ΠΎΠΌ Π³Π°Π·Π΅ ΠΈ ΠΏΠ°ΡΡΠΈΠ°Π»ΡΠ½ΡΠΌ Π΄Π°Π²Π»Π΅Π½ΠΈΠ΅ΠΌ Π²ΠΎΠ΄ΡΠ½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠ°
Π² Π²ΠΎΠ΄ΠΎΡΠΎΠ΄Π΅. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π°
ΡΠ΅ΡΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΌΠΎΠ΄Π΅Π»Ρ Π²Π·Π°ΠΈΠΌΠΎΠ΄Π΅ΠΉΡΡΠ²ΠΈΡ ΠΊΠΈΡΠ»ΠΎΡΠΎΠ΄Π° ΠΈ Π²Π»Π°Π³ΠΈ Π² Π³Π°Π·ΠΎΠ²ΠΎΠΉ ΡΡΠ΅Π΄Π΅ Ρ ΡΠ°ΡΠΏΠ»Π°Π²ΠΎΠΌ
Π³Π΅ΡΠΌΠ°Π½ΠΈΡA thermodynamic analysis of the interaction of the gas phase with the germanium melt during of crystal growth was carried out. The processes of crystal growth in inert gas and crystallization of germanium in a hydrogen atmosphere was considered. Quantitative relationship of oxygen concentration in the semiconductor Ge with a of an inert gas and in hydrogen has been established. A thermodynamic model of the interaction of the gas phase with the germanium melt in the process of crystals growth was create
Research and Development of Technological Conditions of Quartz Crucibles Manufacturing for Silicon Melting
ΠΠ° ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΡΠΈΠ½ΡΠ΅Π·Π° ΠΈ ΡΠΏΠ΅ΠΊΠ°Π½ΠΈΡ ΠΏΠΎΡΠΎΡΠΊΠ° ΠΎΠΊΡΠΈΠ΄Π° ΠΊΡΠ΅ΠΌΠ½ΠΈΡ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½Ρ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΠΆΠΈΠΌΡ ΠΈΠ·Π³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ ΡΠΈΠ³Π»Π΅ΠΉ Π΄Π»Ρ ΠΏΠ»Π°Π²Π»Π΅Π½ΠΈΡ ΠΊΡΠ΅ΠΌΠ½ΠΈΡ ΠΏΡΡΠ΅ΠΌ Π½Π°Π½Π΅ΡΠ΅Π½ΠΈΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΡΠ»ΠΈΠΊΠ΅ΡΠ½ΠΎΠ³ΠΎ Π»ΠΈΡΡΡ ΡΠ»ΠΎΡ Π²ΡΡΠΎΠΊΠΎΡΠΈΡΡΠΎΠ³ΠΎ ΡΠΈΠ½ΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΊΡΠ΅ΠΌΠ½Π΅Π·Π΅ΠΌΠ° Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ ΠΈΠ· ΠΏΠ»Π°Π²Π»Π΅Π½ΠΎΠ³ΠΎ ΠΊΠ²Π°ΡΡΠ°.On the base of researching a process of synthesis and sintering silicon oxide powder, technological conditions of producing crucibles for silicon melting were developed. Ceramic crucibles were obtained by slip casting method. They consist of two layers: outside layer - from fused quartz, inside - from high-clean synthetic silica