Combinatorial pulsed laser deposition of Fe, Cr, Mn, and Ni-substituted SrTiO3 films on Si substrates

ACS Combinatorial Science
Dong Hun KimCaroline A Ross

Abstract

Combinatorial pulsed laser deposition (CPLD) using two targets was used to produce a range of transition metal-substituted perovskite-structured Sr(Ti(1-x)M(x))O(3-δ) films on buffered silicon substrates, where M = Fe, Cr, Ni and Mn and x = 0.05-0.5. CPLD produced samples whose composition vs distance fitted a linear combination of the compositions of the two targets. Sr(Ti(1-x)Fe(x))O(3-δ) films produced from a pair of perovskite targets (SrTiO(3) and SrFeO(3) or SrTiO(3) and SrTi0(0.575)Fe(0.425)O(3)) had properties similar to those of films produced from single targets, showing a single phase microstructure, a saturation magnetization of 0.5 μ(B)/Fe, and a strong out-of-plane magnetoelastic anisotropy at room temperature. Films produced from an SrTiO(3) and a metal oxide target consisted of majority perovskite phases with additional metal oxide (or metal in the case of Ni) phases. Films made from SrTiO(3) and Fe(2)O(3) targets retained the high magnetic anisotropy of Sr(Ti(1-x)Fe(x))O(3-δ), but had a much higher saturation magnetization than single-target films, reaching for example an out-of-plane coercivity of >2 kOe and a saturation magnetization of 125 emu/cm(3) at 24%Fe. This was attributed to the presence of maghemite ...Continue Reading

References

Nov 15, 1986·Physical Review. B, Condensed Matter·G M ChoiD Goldschmidt
Jan 11, 2005·Journal of Combinatorial Chemistry·A VenimadhavM G Blamire
Aug 18, 2006·Nature·W EerensteinJ F Scott
Dec 31, 2009·Nano Letters·Hyun-Suk KimCaroline A Ross

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Citations

Nov 28, 2012·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Dong Hun KimC A Ross
Oct 3, 2019·The Review of Scientific Instruments·S MaruyamaY Matsumoto
Jun 28, 2019·ACS Combinatorial Science·Paul J McGinn
Oct 30, 2020·ACS Combinatorial Science·Paul F NewhouseJohn M Gregoire
Aug 31, 2017·ACS Applied Materials & Interfaces·Chen ZhangCaroline A Ross

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