Nanocomposite films comprising metal Cu nanocrystals embedded in an Al2O3 matrix were deposited by alternating pulsed laser ablation from metallic Cu and ceramic Al2O3 targets. The films were grown in vacuum on glass substrates held at room temperature. The as-grown films contain 4 nm Cu nanocrystals in an amorphous Al2O3 matrix, with a total thickness of 190 nm. The films show a substantial third-order susceptibility with an electronic nonlinear refractive index of (2.93 +/- 1.08).10(-10) cm(2) W-1 and a nonlinear saturation of -(2.34 +/- 0.18).10(-5) cm W-1. (C) 1997 American Institute of Physics. [S0003-6951(97)03743-1].
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Indian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, IndiaIndian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
Nath, S.
Manna, I.
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Indian Inst Technol, Cent Glass & Ceram Res Inst, Kanpur 201806, Uttar Pradesh, IndiaIndian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
Manna, I.
Ray, S. K.
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Indian Inst Technol, Dept Phys, Kharagpur 721302, W Bengal, IndiaIndian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
Ray, S. K.
Majumdar, J. Dutta
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Indian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, IndiaIndian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
机构:
Changwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea
PERI Inst Technol, Dept Phys, Madras 600048, Tamil Nadu, IndiaChangwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea
Balakrishnan, G.
Sairam, T. N.
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Indira Gandhi Ctr Atom Res, Mat Sci Grp, Kalpakkam 603102, Tamil Nadu, IndiaChangwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea
Sairam, T. N.
Reddy, V. R.
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UGC DAE Consortium Sci Res, Indore 452017, Madhya Pradesh, IndiaChangwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea
Reddy, V. R.
Kuppusami, P.
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Sathyabama Univ, Ctr Nanosci & Nanotechnol, Madras 600119, Tamil Nadu, IndiaChangwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea
Kuppusami, P.
Song, Jung Il
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Changwon Natl Univ, Dept Mech Engn, Chang Won 641773, South KoreaChangwon Natl Univ, Dept Mech Engn, Chang Won 641773, South Korea