Isolated nano-tendril bundles on tungsten surfaces exposed to radiofrequency helium plasma
Abstract
The DIONISOS experiment is used to study the impact of RF helium (He) plasma on the surface morphology of tungsten (W) at a frequency of 13.56 MHz. Helium ion energy distributions with a span of 70–75 eV, while still below the sputtering threshold result in nano-tendril bundles (NTBs) and free-standing W whiskers on surfaces at 1020 K. The NTBs are distributed intragranularly with coverage of less than 10% while reaching up to 30 µm normal to the surface for He ion fluence of 7.6 × 1025 m-2 and flux density of 1022 m-2 s-1. Analysis of the NTB interior and sub-surface structure is provided through focused ion beam cross section.
- Authors:
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- OSTI Identifier:
- 1356714
- Alternate Identifier(s):
- OSTI ID: 1534189
- Grant/Contract Number:
- FC02-99ER54512; SC00-02060; DMR-08-19762; SC0002060
- Resource Type:
- Published Article
- Journal Name:
- Nuclear Materials and Energy
- Additional Journal Information:
- Journal Name: Nuclear Materials and Energy Journal Volume: 12 Journal Issue: C; Journal ID: ISSN 2352-1791
- Publisher:
- Elsevier
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; tungsten fuzz; helium; nano-tendril; RF sheath
Citation Formats
Woller, Kevin B., Whyte, Dennis G., and Wright, Graham M. Isolated nano-tendril bundles on tungsten surfaces exposed to radiofrequency helium plasma. Netherlands: N. p., 2017.
Web. doi:10.1016/j.nme.2017.04.016.
Woller, Kevin B., Whyte, Dennis G., & Wright, Graham M. Isolated nano-tendril bundles on tungsten surfaces exposed to radiofrequency helium plasma. Netherlands. https://doi.org/10.1016/j.nme.2017.04.016
Woller, Kevin B., Whyte, Dennis G., and Wright, Graham M. Tue .
"Isolated nano-tendril bundles on tungsten surfaces exposed to radiofrequency helium plasma". Netherlands. https://doi.org/10.1016/j.nme.2017.04.016.
@article{osti_1356714,
title = {Isolated nano-tendril bundles on tungsten surfaces exposed to radiofrequency helium plasma},
author = {Woller, Kevin B. and Whyte, Dennis G. and Wright, Graham M.},
abstractNote = {The DIONISOS experiment is used to study the impact of RF helium (He) plasma on the surface morphology of tungsten (W) at a frequency of 13.56 MHz. Helium ion energy distributions with a span of 70–75 eV, while still below the sputtering threshold result in nano-tendril bundles (NTBs) and free-standing W whiskers on surfaces at 1020 K. The NTBs are distributed intragranularly with coverage of less than 10% while reaching up to 30 µm normal to the surface for He ion fluence of 7.6 × 1025 m-2 and flux density of 1022 m-2 s-1. Analysis of the NTB interior and sub-surface structure is provided through focused ion beam cross section.},
doi = {10.1016/j.nme.2017.04.016},
journal = {Nuclear Materials and Energy},
number = C,
volume = 12,
place = {Netherlands},
year = {Tue Aug 01 00:00:00 EDT 2017},
month = {Tue Aug 01 00:00:00 EDT 2017}
}
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.nme.2017.04.016
https://doi.org/10.1016/j.nme.2017.04.016
Other availability
Cited by: 13 works
Citation information provided by
Web of Science
Web of Science
Save to My Library
You must Sign In or Create an Account in order to save documents to your library.
Works referenced in this record:
Unravelling the physical mechanisms that determine microstructural evolution of ultrathin Volmer-Weber films
journal, July 2014
- Elofsson, V.; Lü, B.; Magnfält, D.
- Journal of Applied Physics, Vol. 116, Issue 4
A study on ion energy distribution functions and plasma potentials in helicon wave plasmas
journal, April 1996
- Kim, Jung‐Hyung; Chang, Hong‐Young
- Physics of Plasmas, Vol. 3, Issue 4
Formation mechanism of bubbles and holes on tungsten surface with low-energy and high-flux helium plasma irradiation in NAGDIS-II
journal, August 2004
- Nishijima, Dai; Ye, M. Y.; Ohno, N.
- Journal of Nuclear Materials, Vol. 329-333
Adatom yields, sputtering yields, and damage patterns of single-ion impacts on Pt(111)
journal, October 1994
- Michely, Thomas; Teichert, Christian
- Physical Review B, Vol. 50, Issue 15
Formation of helium induced nanostructure ‘fuzz’ on various tungsten grades
journal, September 2010
- Baldwin, M. J.; Doerner, R. P.
- Journal of Nuclear Materials, Vol. 404, Issue 3
Helium diffusion in tungsten: A molecular dynamics study
journal, May 2013
- Shu, Xiaolin; Tao, Peng; Li, Xiaochun
- Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 303
Sub-ms laser pulse irradiation on tungsten target damaged by exposure to helium plasma
journal, September 2007
- Kajita, Shin; Takamura, Shuichi; Ohno, Noriyasu
- Nuclear Fusion, Vol. 47, Issue 9
Viscoelastic model of tungsten ‘fuzz’ growth
journal, December 2011
- Krasheninnikov, S. I.
- Physica Scripta, Vol. T145
Effects of fibre-form nanostructures on particle emissions from a tungsten surface in plasmas
journal, October 2012
- Takamura, S.; Miyamoto, T.; Ohno, N.
- Nuclear Fusion, Vol. 52, Issue 12
Experimental identification for physical mechanism of fiber-form nanostructure growth on metal surfaces with helium plasma irradiation
journal, November 2015
- Takamura, S.; Uesugi, Y.
- Applied Surface Science, Vol. 356
Modulated plasma potentials and cross field diffusion in a Helicon plasma
journal, July 2002
- Perry, Andrew; Conway, Garrard; Boswell, Rod
- Physics of Plasmas, Vol. 9, Issue 7
Tungsten nano-tendril growth in the Alcator C-Mod divertor
journal, March 2012
- Wright, G. M.; Brunner, D.; Baldwin, M. J.
- Nuclear Fusion, Vol. 52, Issue 4
Molecular dynamics simulations of the diffusion and coalescence of helium in tungsten
journal, March 2014
- Zhou, Y. L.; Wang, J.; Hou, Q.
- Journal of Nuclear Materials, Vol. 446, Issue 1-3
The Role of the Adatom Diffusion in the Tungsten Fuzz Growth
journal, January 2015
- Trufanov, D.; Marenkov, E.; Krasheninnikov, S.
- Physics Procedia, Vol. 71
Plasma sheath model and ion energy distribution for all radio frequencies
journal, April 1999
- Panagopoulos, Theodoros; Economou, Demetre J.
- Journal of Applied Physics, Vol. 85, Issue 7
Formation Condition of Fiberform Nanostructured Tungsten by Helium Plasma Exposure
journal, January 2010
- Sakaguchi, Wataru; Kajita, Shin; Ohno, Noriyasu
- Plasma and Fusion Research, Vol. 5
Retarding‐field analyzer for measurements of ion energy distributions and secondary electron emission coefficients in low‐pressure radio frequency discharges
journal, January 1993
- Böhm, Christian; Perrin, Jérôme
- Review of Scientific Instruments, Vol. 64, Issue 1
Loop punching and bubble rupture causing surface roughening —A model for W fuzz growth
journal, January 2014
- Lasa, A.; Tähtinen, S. K.; Nordlund, K.
- EPL (Europhysics Letters), Vol. 105, Issue 2
Molecular-dynamics simulation of adatom formation under keV-ion bombardment of Pt(111)
journal, October 1994
- Gades, Heinrich; Urbassek, Herbert M.
- Physical Review B, Vol. 50, Issue 15
The effects of high fluence mixed-species (deuterium, helium, beryllium) plasma interactions with tungsten
journal, June 2009
- Baldwin, M. J.; Doerner, R. P.; Nishijima, D.
- Journal of Nuclear Materials, Vol. 390-391
Sputtering properties of tungsten ‘fuzzy’ surfaces
journal, August 2011
- Nishijima, D.; Baldwin, M. J.; Doerner, R. P.
- Journal of Nuclear Materials, Vol. 415, Issue 1
Molecular dynamics and Monte Carlo hybrid simulation for fuzzy tungsten nanostructure formation
journal, June 2015
- Ito, A. M.; Takayama, A.; Oda, Y.
- Nuclear Fusion, Vol. 55, Issue 7
Experimental investigation on the effect of surface electric field in the growth of tungsten nano-tendril morphology due to low energy helium irradiation
journal, December 2016
- Woller, K. B.; Whyte, D. G.; Wright, G. M.
- Journal of Nuclear Materials, Vol. 481
Surface self-diffusion of single atoms
journal, January 1975
- Graham, William R.; Ehrlich, Gert
- Thin Solid Films, Vol. 25, Issue 1
Investigation of RF-enhanced plasma potentials on Alcator C-Mod
journal, July 2013
- Ochoukov, R.; Whyte, D. G.; Brunner, D.
- Journal of Nuclear Materials, Vol. 438
An experiment on the dynamics of ion implantation and sputtering of surfaces
journal, February 2014
- Wright, G. M.; Barnard, H. A.; Kesler, L. A.
- Review of Scientific Instruments, Vol. 85, Issue 2
Absolute measurements and modeling of radio frequency electric fields using a retarding field energy analyzer
journal, December 2000
- Charles, C.; Degeling, A. W.; Sheridan, T. E.
- Physics of Plasmas, Vol. 7, Issue 12
Dynamic measurement of the helium concentration of evolving tungsten nanostructures using Elastic Recoil Detection during plasma exposure
journal, August 2015
- Woller, K. B.; Whyte, D. G.; Wright, G. M.
- Journal of Nuclear Materials, Vol. 463
A description of stress driven bubble growth of helium implanted tungsten
journal, May 2009
- Sharafat, Shahram; Takahashi, Akiyuki; Nagasawa, Koji
- Journal of Nuclear Materials, Vol. 389, Issue 2
Helicon discharges and sources: a review
journal, January 2015
- Chen, Francis F.
- Plasma Sources Science and Technology, Vol. 24, Issue 1
TEM analysis of high temperature annealed W nanostructure surfaces
journal, February 2012
- Kajita, Shin; Yoshida, Naoaki; Yoshihara, Reiko
- Journal of Nuclear Materials, Vol. 421, Issue 1-3