Hydrogenation-induced change of magneto optical Kerr effect in Pd/Fe bilayers

Wen Chin Lin, Chiao Sung Chi, Tsung Ying Ho, Cheng Jui Tsai, Fang Yuh Lo, Huan Chia Chuang, Ming Yau Chern

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The hydrogenation induced change of magneto-optical Kerr effect (MOKE) was studied in n ML Pd/30 ML Fe bilayers on Al 2 O 3(0001). With the increasing of Pd thickness from 3 ML to 60 ML, the MOKE extinction angle was gradually shifted by 0.6° and the enhancement of Kerr intensity reached 35%-40% after exposure to 1 atm hydrogen. The reversibility of this significant change was demonstrated by cyclic desorption and reabsorption of hydrogen. This study reveals the sensitive MO response in the combination of a magnetic Fe thin film with a highly hydrogenated Pd capping layer.

Original languageEnglish
Article number063914
JournalJournal of Applied Physics
Volume112
Issue number6
DOIs
Publication statusPublished - 2012 Sep 15

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Kerr effects
hydrogenation
hydrogen
extinction
desorption
augmentation
thin films

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Hydrogenation-induced change of magneto optical Kerr effect in Pd/Fe bilayers. / Lin, Wen Chin; Chi, Chiao Sung; Ho, Tsung Ying; Tsai, Cheng Jui; Lo, Fang Yuh; Chuang, Huan Chia; Chern, Ming Yau.

In: Journal of Applied Physics, Vol. 112, No. 6, 063914, 15.09.2012.

Research output: Contribution to journalArticle

Lin, Wen Chin ; Chi, Chiao Sung ; Ho, Tsung Ying ; Tsai, Cheng Jui ; Lo, Fang Yuh ; Chuang, Huan Chia ; Chern, Ming Yau. / Hydrogenation-induced change of magneto optical Kerr effect in Pd/Fe bilayers. In: Journal of Applied Physics. 2012 ; Vol. 112, No. 6.
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