Details
| Title | Нестационарные когерентные явления в магнитоупорядоченных образцах // Материалы...24 - 29 ноября 2003г. – 2005. – Радиофизический факультет. — Ч.6 |
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| Creators | Эбанга Арманд ; Тарханов В.И. |
| Other creators | Глухов Владимир Викторович |
| Organization | Санкт-Петербургский государственный политехнический университет. Межвузовская научная-техническая конференция, Неделя науки (32; 2003; Санкт-Петербург) ; Совет СПбГПУ по научно-исследовательской работе студентов |
| Imprint | Санкт-Петербург, 2005 |
| Collection | Общая коллекция |
| Subjects | спиновые системы ; магнитный резонанс ; магнитоупорядоченные вещества |
| Document type | Article, report |
| File type | |
| Language | Russian |
| Rights | Свободный доступ из сети Интернет (чтение, печать, копирование) |
| Record key | RU\SPSTU\edoc\8033 |
| Record create date | 2/22/2005 |
Magnetically ordered substances are complex objects for physical research. They have anelectronic spin system, a nuclear spin system, domain walls, acoustic resonances excited throughmagnetostriction effects, etc. All of them are capable to participate in time-dependent coherent phenomenacreation, which are excited and detected through an inductance coil of a resonant circuit. In each case onecan distinguish a number of separate mesomorphic isochromatic elements in a sample, which are coherent intheir evolution dynamics in spite of differences in their resonant frequencies. There are narrow and widespreads of such isochromatic elements, which have their peculiarities in excitation and detection ofcorresponding echo-signals. Here we comparer experimentally the two cases on the samples of iron borateand lithium ferrite. In both cases echo is formed in a system of 57Fe nuclei. Experimental setup, details ofexperiments, and experimental results are described. The results are of interest as for scientific research andfor design of new functional electronics devices and new parallel coherent calculation technologies.
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