Direct Spin-Imaging Detector Based on Freestanding Magnetic Nanomembranes | Sciact - CRIS-система Института катализа

Direct Spin-Imaging Detector Based on Freestanding Magnetic Nanomembranes Научная публикация

Журнал

Physical Review Letters
ISSN: 0031-9007 , E-ISSN: 1079-7114

Вых. Данные

Год: 2025, Том: 134, Номер: 15, Номер статьи : 157002, Страниц : 8 DOI: 10.1103/physrevlett.134.157002

Ключевые слова

Photoelectron spectroscopy

Авторы

Tereshchenko O. E. ^1,2,3 , Bakin V. V. ¹ , Stepanov S. A. ³ , Golyashov V. A. ^1,2,3 , Mikaeva A. S. ¹ , Kustov D. A. ¹ , Rusetsky V. S. ^1,4 , Rozhkov S. A. ^1,3 , Scheibler H. E. ^1,3 , Demin A. Yu. ⁴

Организации

1	Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences
2	Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Koltsovo 630559, Russia
3	Novosibirsk State University, Novosibirsk 630090 Russia
4	CJSC “EKRAN FEP,” Novosibirsk 630060, Russia

Информация о финансировании (2)

1	Министерство науки и высшего образования Российской Федерации (с 15 мая 2018)	FWUR-2024-0040
2	Российский научный фонд	22-12-20024 (122063000001-1)

An analog of the optical polarizer-analyzer for electrons, a spin filter based on a freestanding ferromagnetic (FM) nanomembrane covering the entrance of the microchannel plate (MCP) was applied for efficient spin filtering and electron amplification in the 2D field of view. To study the spin dependent transmission, we constructed a spin-triode device (spintron), which consists of a compact proximity focused vacuum tube with the Na2KSb spin-polarized electron source, the FM-MCP and phosphor screen placed to run parallel to each other. Here, we demonstrate the fabrication of FM nanomembranes consisting of a ½Co=Pt superlattice deposited on a freestanding 3 nm SiO2 layer with a total thickness of 10 nm. The FM-MCP has ∼106 channels with a single-channel Sherman function S ¼ 0.6 and a transmission of ∼1.5 × 10−3 in the low electron energy range. The FM-MCP-based device provides a compact optical method for measuring the spin polarization of free electron beams in the imaging mode and is well suited for photoemission spectroscopy and microscopy methods.

Tereshchenko O. . , Bakin V. . , Stepanov S. . , Golyashov V. . , Mikaeva A. . , Kustov D. . , Rusetsky V. . , Rozhkov S. . , Scheibler H. . , Demin A. .
Direct Spin-Imaging Detector Based on Freestanding Magnetic Nanomembranes
Physical Review Letters. 2025. V.134. N15. 157002 :1-8. DOI: 10.1103/physrevlett.134.157002 WOS Scopus PMID OpenAlex СКИФ ID

Поступила в редакцию:	3 окт. 2024 г.
Принята к публикации:	13 мар. 2025 г.
Опубликована в печати:	18 апр. 2025 г.
Опубликована online:	18 апр. 2025 г.

Web of science:	WOS:001494863000001
Scopus:	2-s2.0-105003674321
PMID (PubMed):	40315520
OpenAlex:	W4409570949
СКИФ ID:	3833

Пока нет цитирований