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2 841 405

(13)

(51)

IPC

C09K11/55(2006-01-01)

C09K11/66(2006-01-01)

C09K11/78(2006-01-01)

(21) (22)

Application

2025100907, 2025-01-20

(24)

Start date

2025-01-20

(22)

Actual filing date

2025-01-20

(45)

Published

2025-06-06

(72)

Inventor

Melentsova Anna AntonovnaLipina Olga AndreevnaChufarov Aleksandr IurevichTiutiunnik Aleksandr PetrovichZubkov Vladimir Georgievich

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Uchrezhdenie Nauki Institut Khimii Tverdogo Tela Uralskogo Otdeleniia Rossiiskoi Akademii Nauk

COMPLEX SODIUM-YTTRIUM GERMANATE OF THULIUM AND HOLMIUM Russian patent published in 2025 - IPC C09K11/55 C09K11/66 C09K11/78

Abstract RU 2841405 C1

FIELD: chemistry.

SUBSTANCE: invention relates to inorganic chemistry and can be used in making materials for tissue imaging and photodynamic therapy with third and fourth transparency windows, as well as for high-precision surgical operations in medicine. Luminescent material is a complex sodium-yttrium germanate of thulium and holmium with composition NaY_0.85-xTm_0.15Ho_xGeO₄, where x=0.005-0.055.

EFFECT: disclosed luminescent material is capable of converting monochromatic laser radiation with wavelength of 808 nm into series of 1.6-2.2 mcm emission lines.

1 cl, 3 dwg, 3 ex

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RU 2 841 405 C1

Authors

Melentsova Anna Antonovna

Lipina Olga Andreevna

Chufarov Aleksandr Iurevich

Tiutiunnik Aleksandr Petrovich

Zubkov Vladimir Georgievich

Dates

2025-06-06—Published

2025-01-20—Filed