Perspective: Extremely fine tuning of doping enabled by combinatorial molecular-beam epitaxy

Wu, J.; Božović, I.

doi:10.1063/1.4917283

Title: Perspective: Extremely fine tuning of doping enabled by combinatorial molecular-beam epitaxy

Journal Article · Mon Jun 01 00:00:00 EDT 2015 · APL Materials

DOI:https://doi.org/10.1063/1.4917283· OSTI ID:1179642

Wu, J.; Božović, I.

Chemical doping provides an effective method to control the electric properties of complex oxides. However, the state-of-art accuracy in controlling doping is limited to about 1%. This hampers elucidation of the precise doping dependences of physical properties and phenomena of interest, such as quantum phase transitions. Using the combinatorial molecular beam epitaxy, we improve the accuracy in tuning the doping level by two orders of magnitude. We illustrate this novel method by two examples: a systematic investigation of the doping dependence of interface superconductivity, and a study of the competing ground states in the vicinity of the insulator-to-superconductor transition.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC00112704

OSTI ID:: 1179642

Alternate ID(s):: OSTI ID: 1226035; OSTI ID: 1421208

Report Number(s):: BNL-108324-2015-JA

Journal Information:: APL Materials, Journal Name: APL Materials Vol. 3 Journal Issue: 6; ISSN 2166-532X

Publisher:: American Institute of PhysicsCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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References (12)

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Combinatorial molecular beam epitaxy of La2−xSrxCuO4+δ Logvenov, G.; Sveklo, I.; Bozovic, I. Physica C: Superconductivity and its Applications, Vol. 460-462 https://doi.org/10.1016/j.physc.2007.03.408	journal	September 2007
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Statistical Characterization and Process Control for Improved Growth of La2−x Sr x CuO4 Films Clayhold, J. A.; Pelleg, O.; Bollinger, A. T. Journal of Superconductivity and Novel Magnetism, Vol. 22, Issue 8 https://doi.org/10.1007/s10948-009-0502-9	journal	June 2009
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