Перевод заглавия: Рост, оптические и микроструктурные свойства пластинчатых кристаллов PbB4O7
Рубрики:
LEAD TETRABORATE
SINGLE-CRYSTAL
SUSCEPTIBILITIES
ANISOTROPY
STRONTIUM
SURFACES
RAMAN
Кл.слова (ненормированные):
PbB4O7 -- Czochralski growth -- Facet -- RHEED -- AFM
LEAD TETRABORATE
SINGLE-CRYSTAL
SUSCEPTIBILITIES
ANISOTROPY
STRONTIUM
SURFACES
RAMAN
Кл.слова (ненормированные):
PbB4O7 -- Czochralski growth -- Facet -- RHEED -- AFM
Аннотация: Centimeter-sized optical quality plate-like PbB4O7 crystals have been grown by Czochralski method. The fundamental absorption edge has been found at 237 nm (corresponding bandgap 5.75 eV) with the distinct sideband protruding up to 300 nm. The crystals are well faceted with the (100), (010) and (101) planes, (100) surfaces being mostly developed. The etching in diluted nitric acid (5 wt.%) at the temperature of 90 °C have been used to reveal the defect structure and remove melt residuals. The (100) surface shows the presence of etching pits and twin boundaries. The Kikuchi line pattern and developed microrelief with the roughness of ~8 nm have been observed by RHEED and AFM, respectively.
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Держатели документа:
SB RAS, Akademgorodok, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 690036, Russia
Akademgorodok, SB RAS, Kirensky Inst Phys, Lab Coherent Opt, Krasnoyarsk 690036, Russia
Russian Acad Sci, Inst Semicond Phys, Lab Nanodiagnost & Nanolithog, SB RAS, Novosibirsk 630090, Russia
Russian Acad Sci, Inst Semicond Phys, Lab Opt Mat & Struct, SB RAS, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Novosibirsk 630090, Russia
Доп.точки доступа:
Zaitsev, A. I.; Зайцев, Александр Иванович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Kozhukhov, A. S.; Pokrovsky, L. D.; Atuchin, V. V.; SB RAS [28.14, 43.14]; President of the Russian Federation for the support of leading scientific schools [SS-4828.2012.2]; PSB RAS [2.5.2]; Ministry of Education and Science of the Russian Federation