1506 ピコ秒レーザー超音波法によるエピタキシャルPt薄膜の弾性定数測定(S10-2 非破壊評価とモニタリングII,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)
書誌事項
- タイトル別名
-
- 1506 Measurement of the elastic constant of epitaxial Pt ultrathin films using picosecond-laser ultrasounds
抄録
We studied the elastic constant of the epitaxial Pt ultrathin films deposited using RF magnetron sputtering on MgO(001) monocrystal substrates heated at 500℃. We measured the film thickness by the X-ray reflectivity technique (XRR), and determined the normal elastic constant C_<33> of the films by the picosecond-laser ultrasounds (PSLU). The elastic constant depends on the film thickness, and the value of 20 nm films is larger than that of 90 nm by 50 %. The normal strain determined by X-ray diffraction(XRD) measurement is less than 0.1 %, which fails to explaine the elastic behavoir. Thus, we observed extraordinary increase of the elastic constant of epitaxial ultrathin Pt films.
収録刊行物
-
- 年次大会講演論文集
-
年次大会講演論文集 2008.1 (0), 325-326, 2008
一般社団法人 日本機械学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390001206064529152
-
- NII論文ID
- 110007658557
-
- ISSN
- 24331325
-
- 本文言語コード
- ja
-
- データソース種別
-
- JaLC
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可