Initial growth of tin on niobium for vapor diffusion coating of Nb3Sn

Pudasaini, Uttar; Eremeev, Grigory V.; Reece, Charles E.; Tuggle, James; Kelley, Michael J.

doi:10.1088/1361-6668/aafa88

Title: Initial growth of tin on niobium for vapor diffusion coating of Nb₃Sn

Abstract

Nb₃Sn offers significant potential to exceed the performance of niobium for superconducting radio frequency accelerator cavities. The most promising path toward deployment is by tin vapor diffusion coating of Nb cavity interiors via a two step nucleation-then-growth sequence. Reported here is a materials science study of the nucleation process. We manipulated the accessible range of process variables and determined the effect on composition and microstructure using an array of materials characterization tools. Broadly, nucleation deposits tin as a thin surface phase and, under some conditions, as near-micron sized particles as well, resembling Stranski–Krastanov growth. Conditions that impair nucleation promote the formation of defects, such as patches, in subsequent coating growth. Furthermore no significant effect on the subsequently grown coating was found for structures produced during nucleation.

Authors:

Pudasaini, Uttar ^[1]; Eremeev, Grigory V. ^[2]; Reece, Charles E. ^[2]; Tuggle, James ^[3]; Kelley, Michael J. ^[4]

College of William and Mary, Williamsburg, VA (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
College of William and Mary, Williamsburg, VA (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)

Publication Date:: 2019-03-01

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1497698

Report Number(s):: JLAB-ACC-18-2869; DOE/OR/23177-4583
Journal ID: ISSN 0953-2048

Grant/Contract Number:: AC05-06OR23177; SC0014475

Resource Type:: Accepted Manuscript

Journal Name:: Superconductor Science and Technology

Additional Journal Information:: Journal Volume: 32; Journal Issue: 4; Journal ID: ISSN 0953-2048

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Nb3Sn; nucleation; SRF cavity; vapor diffusion coating; Stranski–Krastanov growth

Citation Formats


                    Pudasaini, Uttar, Eremeev, Grigory V., Reece, Charles E., Tuggle, James, and Kelley, Michael J. Initial growth of tin on niobium for vapor diffusion coating of Nb3Sn.  United States: N. p., 2019. 
Web.  doi:10.1088/1361-6668/aafa88.

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                    Pudasaini, Uttar, Eremeev, Grigory V., Reece, Charles E., Tuggle, James, & Kelley, Michael J. Initial growth of tin on niobium for vapor diffusion coating of Nb3Sn.  United States.  https://doi.org/10.1088/1361-6668/aafa88

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                    Pudasaini, Uttar, Eremeev, Grigory V., Reece, Charles E., Tuggle, James, and Kelley, Michael J. Fri .  
"Initial growth of tin on niobium for vapor diffusion coating of Nb3Sn".  United States.  https://doi.org/10.1088/1361-6668/aafa88.  https://www.osti.gov/servlets/purl/1497698.

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@article{osti_1497698,

  title        = {Initial growth of tin on niobium for vapor diffusion coating of Nb3Sn},

  author       = {Pudasaini, Uttar and Eremeev, Grigory V. and Reece, Charles E. and Tuggle, James and Kelley, Michael J.},

  abstractNote = {Nb3Sn offers significant potential to exceed the performance of niobium for superconducting radio frequency accelerator cavities. The most promising path toward deployment is by tin vapor diffusion coating of Nb cavity interiors via a two step nucleation-then-growth sequence. Reported here is a materials science study of the nucleation process. We manipulated the accessible range of process variables and determined the effect on composition and microstructure using an array of materials characterization tools. Broadly, nucleation deposits tin as a thin surface phase and, under some conditions, as near-micron sized particles as well, resembling Stranski–Krastanov growth. Conditions that impair nucleation promote the formation of defects, such as patches, in subsequent coating growth. Furthermore no significant effect on the subsequently grown coating was found for structures produced during nucleation.},

  doi          = {10.1088/1361-6668/aafa88},

  journal      = {Superconductor Science and Technology},

  number       = 4,

  volume       = 32,

  place        = {United States},

  year         = {2019},

  month        = {3}

}

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https://doi.org/10.1088/1361-6668/aafa88

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Title: Initial growth of tin on niobium for vapor diffusion coating of Nb3Sn

Abstract

Citation Formats

Superconductivity of Nb 3 Sn journal, September 1954

Studies of Thin Films of Nb 3 Sn on Nb journal, December 1971

A15 superconductors: An alternative to niobium for RF cavities journal, July 2006

Thin Films of Niobium Tin by Codeposition journal, December 1964

Pr�paration und Supraleitungseigenschaften von Niobdrahtproben mit Nb3Sn-�berzug journal, January 1962

Measurement on a Nb<inf>3</inf>Sn structure for linear accelerator application journal, January 1977

Measurements of superconducting Nb<inf>3</inf>Sn cavities in the GHz range journal, January 1979

Proof-of-principle demonstration of Nb 3 Sn superconducting radiofrequency cavities for high Q 0 applications journal, February 2015

Nb 3 Sn superconducting radiofrequency cavities: fabrication, results, properties, and prospects journal, January 2017

Experimental work on the niobium-tin constitution diagram and related studies journal, July 1970

Superconducting Nb<inf>3</inf>Sn cavities with high microwave qualities journal, January 1977

Herstellung von V3Ga- und Nb3Sn- multifilamentleitern hoher stromtragfähigkeit mit hilfe chemischer transportreaktionen journal, May 1976

Improved accuracy of quantitative XPS analysis using predetermined spectrometer transmission functions with UNIFIT 2004 journal, January 2005

Growth mode of tin on a niobium substrate journal, August 2000

Stranski–Krastanov growth of Sn on a polycrystalline Al film surface initiated by the wetting of Al by Sn journal, August 2001

Surface studies of niobium chemically polished under conditions for superconducting radio frequency (SRF) cavity production journal, November 2006

Kinetic measurements of oxygen dissolution into niobium substrates: In situ X-ray photoelectron spectroscopy studies journal, November 1990

Angle-resolved X-ray photoelectron spectroscopy study of the oxides on Nb surfaces for superconducting r.f. cavity applications journal, February 2003

The production of niobium-tin powders by vapor-deposition processes journal, December 1982

The vapour phase stannising of copper journal, November 1974

Processing of spent hydrorefining catalysts by selective chlorination journal, August 1994

Chlorination of niobium and tantalum ore journal, March 1998

Mechanisms, models and methods of vapor deposition journal, January 2001

Force-matched embedded-atom method potential for niobium journal, April 2010

Force-matched embedded-atom method potential for niobium text, January 2010

Superheating field of superconductors within Ginzburg-Landau theory text, January 2010

Title: Initial growth of tin on niobium for vapor diffusion coating of Nb₃Sn

Superconductivity of ${Nb}_{3}$ Sn
journal, September 1954

Studies of Thin Films of Nb ₃ Sn on Nb
journal, December 1971

A15 superconductors: An alternative to niobium for RF cavities
journal, July 2006

Thin Films of Niobium Tin by Codeposition
journal, December 1964

Pr�paration und Supraleitungseigenschaften von Niobdrahtproben mit Nb3Sn-�berzug
journal, January 1962

Measurement on a Nb<inf>3</inf>Sn structure for linear accelerator application
journal, January 1977

Measurements of superconducting Nb<inf>3</inf>Sn cavities in the GHz range
journal, January 1979

Proof-of-principle demonstration of Nb ₃ Sn superconducting radiofrequency cavities for high Q ₀ applications
journal, February 2015

Nb ₃ Sn superconducting radiofrequency cavities: fabrication, results, properties, and prospects
journal, January 2017

Experimental work on the niobium-tin constitution diagram and related studies
journal, July 1970

Superconducting Nb<inf>3</inf>Sn cavities with high microwave qualities
journal, January 1977

Herstellung von V3Ga- und Nb3Sn- multifilamentleitern hoher stromtragfähigkeit mit hilfe chemischer transportreaktionen
journal, May 1976

Improved accuracy of quantitative XPS analysis using predetermined spectrometer transmission functions with UNIFIT 2004
journal, January 2005

Growth mode of tin on a niobium substrate
journal, August 2000

Stranski–Krastanov growth of Sn on a polycrystalline Al film surface initiated by the wetting of Al by Sn
journal, August 2001

Surface studies of niobium chemically polished under conditions for superconducting radio frequency (SRF) cavity production
journal, November 2006

Kinetic measurements of oxygen dissolution into niobium substrates: In situ X-ray photoelectron spectroscopy studies
journal, November 1990

Angle-resolved X-ray photoelectron spectroscopy study of the oxides on Nb surfaces for superconducting r.f. cavity applications
journal, February 2003

The production of niobium-tin powders by vapor-deposition processes
journal, December 1982

The vapour phase stannising of copper
journal, November 1974

Processing of spent hydrorefining catalysts by selective chlorination
journal, August 1994

Chlorination of niobium and tantalum ore
journal, March 1998

Mechanisms, models and methods of vapor deposition
journal, January 2001

Force-matched embedded-atom method potential for niobium
journal, April 2010

Force-matched embedded-atom method potential for niobium
text, January 2010

Superheating field of superconductors within Ginzburg-Landau theory
text, January 2010