Импринт в сферолитовых тонких пленках цирконата-титаната свинца

Авторы

  • Владимир Петрович Пронин Российский государственный педагогический университет имени А. И. Герцена https://orcid.org/0000-0003-0997-1113
  • Артемий Николаевич Крушельницкий Российский государственный педагогический университет имени А. И. Герцена https://orcid.org/0000-0003-3543-8531
  • Алсу Равилевна Мазгутова Физико-технический институт имени А. Ф. Иоффе РАН https://orcid.org/0000-0002-8826-8938
  • Евгений Юрьевич Каптелов Физико-технический институт имени А. Ф. Иоффе РАН
  • Станислав Викторович Сенкевич Российский государственный педагогический университет имени А. И. Герцена; Физико-технический институт имени А. Ф. Иоффе РАН https://orcid.org/0000-0002-4503-1412
  • Игорь Петрович Пронин Физико-технический институт имени А. Ф. Иоффе РАН https://orcid.org/0000-0003-3749-8706
  • Сергей Александрович Немов Санкт-Петербургский политехнический университет Петра Великого https://orcid.org/0000-0001-7673-6899

DOI:

https://doi.org/10.33910/2687-153X-2026-7-2-65-73

Ключевые слова:

тонкие пленки ЦТС, ВЧ магнетронное распыление, сферолитовая микроструктура, импринт, самополяризация, кислородные вакансии

Аннотация

Исследуется влияние микроструктуры (геометрических размеров сферолитовых блоков), амплитуды внешнего поля и старения на величину внутреннего поля (импринта) в тонких пленках цирконата-титаната свинца, сформированных двухстадийным методом ВЧ магнетрон­ного распыления на платинированной подложке кремния. Показано, что увеличение внутренне­го поля в процессе старения происходит в результате восходящей диффузии кислородных вакан­сий (эффекта Горского), вызванной изгибными механическими напряжениями в тонкой пленке. Предполагается, что источником кислородных вакансий в перовскитовой решетке служит доокис­ление избыточного оксида свинца, расположенного на интерфейсах и в межкристаллитном про­странстве тонких пленок.

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Опубликован

2026-06-30

Выпуск

Раздел

Condensed Matter Physics