Сульфид европия(II)

Сульфид европия​(II)​
Общие
Систематическое
наименование
Сульфид европия​(II)​
Традиционные названия Сернистый европий
Хим. формула EuS
Физические свойства
Состояние чёрные кристаллы
Молярная масса 184,03 г/моль
Плотность 5,7 г/см³
Термические свойства
Температура
 • плавления 2400 °C
Классификация
Рег. номер CAS 12020-65-4
PubChem
Рег. номер EINECS 234-661-3
SMILES
 
InChI
ChemSpider
Приведены данные для стандартных условий (25 °C, 100 кПа), если не указано иное.

Сульфид европия(II) — бинарное неорганическое соединение европия и серы с формулой EuS, чёрные кристаллы.

Получение

  • Нагревание стехиометрических количеств чистых веществ в вакуумированной ампуле:

Физические свойства

Сульфид европия(II) образует чёрные (или коричнево-фиолетовые) кристаллы кубической сингонии, пространственная группа F m3m, параметры ячейки a = 0,5957 нм, Z = 4.

Является магнитным полупроводником. Ферромагнетик; температура Кюри 16,5 К[1].

Литература

  • Справочник химика / Редкол.: Никольский Б.П. и др.. — 2-е изд., испр. — М.Л.: Химия, 1966. — Т. 1. — 1072 с.
  • Справочник химика / Редкол.: Никольский Б.П. и др.. — 3-е изд., испр. — Л.: Химия, 1971. — Т. 2. — 1168 с.
  • Руководство по неорганическому синтезу: В 6-ти т. / Ред. Брауэр Г.. — М.: Мир, 1985. — Т. 4. — 447 с.
  • CRC Handbook of Chemistry and Physics[англ.]. — 89th Edition. — Taylor and Francis Group, LLC, 2008-2009.
  • Спеддинг Ф.Х., Даан А.Х. Редкоземельные металлы. — М.: Металлургия, 1965. — 610 с.

Примечания

  1. McGuire T. R., Shafer M. W. Ferromagnetic Europium Compounds // Journal of Applied Physics. — 1964. — Vol. 35. — P. 984—988. — ISSN 00218979. — doi:10.1063/1.1713568. [исправить]

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