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{{Infobox laboratory
| name = CPMI
| other_name = Center for Plasma-Material Interactions
| image = CPMI-Logo.jpg
| caption = CPMI Logo
| lab_type = Basic Science, Physics, Engineering
| type = Experimental, theoretical, modeling
| research_field = Plasma
| director = ]
| faculty = 4
| staff = 3
| students = 24
| alumni =
| address = 201 South Goodwin Ave.
| city = ]
| state = ]
| country = ]
| campus = ]
| affiliations = ], ]
| website = {{URL|https://cpmi.illinois.edu/about-cpmi/}}
}}

The Center for Plasma-Material Interactions is a research center that is housed in the Nuclear Radiation Laboratory within the ] at the ]. The center studies all aspects of plasma-material interactions that are relevant to fusion, semiconductors, and plasma manufacturing. This is achieved through experimental, theoretical and computational methods via and extensive suite of experimental devices. Projects are supported by government grants and commercial partners to further the application and knowledge of plasma physics and engineering to various applications.

== History ==
The Center for Plasma-Material Interactions was established in 2004 by Professor ] and focuses on understanding the complex behavior between the ions, electrons and energetic atoms generated in plasmas and the surfaces of materials. CPMI has grown to not only encompass low temperature plasmas, plasma processing but also fusion plasmas.<ref>{{Cite web|last=Semaca|first=Michael|date=2016-09-15|title=University's nuclear fusion device receives million dollar grant|url=https://dailyillini.com/news/2016/09/15/universitys-nuclear-fusion-device-receives-million-dollar-grant/|access-date=2021-11-09|website=The Daily Illini}}</ref><ref>{{Cite web|title=AVS zeichnet Mark C. Hersam und David N. Ruzik aus {{!}} pro-physik.de|url=https://www.pro-physik.de/nachrichten/avs-zeichnet-mark-c-hersam-und-david-n-ruzik-aus|access-date=2021-11-09|language=de|website=www.pro-physik.de}}</ref><ref>{{Cite web|author1=Max-Planck-Institut für Plasmaphysik|title=WEGA fusion experiment passed on to the USA|url=https://phys.org/news/2014-09-wega-fusion-usa.html|access-date=2021-11-09|website=phys.org|language=en}}</ref>

== Faculty, staff and students ==
=== Director ===
Abel Bliss Professor ]

=== Faculty ===
Donald Biggar Willet Professor ]

Donald Biggar Willet Faculty Scholar Associate Professor ]

Research Associate Professor ]

=== Research Engineer ===
Dr. D. Eitan Barlaz

=== Post Doc ===
Dr. Rajesh Ganesan

=== Laboratory Technical Support ===
Michael Williams

=== Graduate Students ===
Currently there are approximately 25 graduate students that are working in the laboratory on all aspects of PMI research. These cover fusion and low temperature plasmas with all the faculty.

=== Undergraduate Students ===
There are over 30 undergraduate students that are working at any one time on the various projects with the graduate students, post-docs and faculty.

=== Affiliated Faculty ===
Dr. Xiuliung Li

Dr. Angus Rockett

Dr. Jean Paul Allain

Dr. Lynford Goddard

Dr. Joshua Rovey

Dr. Gang Logan Liu

=== Adjunct Faculty ===
Dr. Brian. E. Jurczyk

Dr. Robert Stubbers

Dr. Michael Stowell Jr

== Current Research and Experiments Devices ==
The Center for plasma Material interactions has several experimental devices for doing research.

=== High Temperature Plasma/Fusion Research ===
{| class="wikitable"
! Device
! Anacronym
! Description
|-
! Actively Pumped Open-surface Lithium LOop
| APOLLO || Flowing liquid lithium technology demonstrator consisting of liquid lithium pumps, flowmeters, safety systems, and PFCs all with real-time response
|-
! Compact Liquid Lithium Neutron Source
| CoLLiNS || Examine the production of high energy neutrons through the D-Li<sup>7</sup> reactions.
|-
! Hydrogen Desorption Experiment
| HyDE || Distillation column system using thermal desorption as a means to remove hydrogen species from bulk lithium. This system has previously shown success at hydrogen removal in highly saturated lithium.
|-
! Hybrid Illinois Device for Research and Applications
| HIDRA || ]/] hybrid toroidal ] device. Based on the classical ] design. Studying PMI and LM PFC's in fusion devices. Former WEGA stellarator.
|-
! Material Analysis Tool
| HIDRA-MAT || Surface analysis module attached to ] able to perform ''in-vacuo'' measurements of a plasma exposed surface using TDS, LIBS and LIDS.
|-
! Impulse Coatings for Application in Reactor Unprotected Surfaces
| ICARUS || Develop metallic coatings for vulnerable surfaces and make them more robust against lithium exposure. Allow for use of lithium in previously non-compatible environments.
|-
! Lithium Evaporation EXperiment
| LEEX || Lithium evaporation experiments in HIDRA.
|-
!Lithium Atomic Absorption Spectroscopy
| LiAAS || Direct measurement of lithium (atomic) population densities using resonant spectral absorption.
|-
!Lithium/Metal Infused Trenches
|LiMIT || Self-pumping flowing liquid metal PFC concept based on Thermo-electro magnetohydrodynamics (TEMHD).
|-
! Lithium Vapor Cloud
| LiVC || Vapor cloud measurements in a fusion environment and surface temperature locking in seeded impurity conditions.
|-
! Materials Attacked by Lithium Corrosion Experiment
| MALiCE || Perform extend (>2000 hr) static lithium corrosion tests at a temperature of 300 <sup>o</sup>C. Materials tested include stainless steels, refractory metals, and incoloys, each possessing some use in fusion applications. Samples are characterized using a variety of optical and chemical techniques, including surface profilometry, ICP-OES, SIMS, FIB, and EDS.
|-
! Material Characterization Test Stand
| MCATS || Allows for rapid testing of lithium wetting on attractive materials over a large range of temperatures from 200 <sup>o</sup>C – 750 <sup>o</sup>C.
|-
! Mock-up Entry Module for ]
| MEME || Plasma Facing component technology development based on the Lithium mounting box on EAST. Corrosion, erosion and wetting of large PFC surface being studied.
|-
! Spinning Lithium Attacking Potential Substrates
| SLAPS || Investigating the effect of rotating lithium at relevant temperatures and the corrosion behavior of potential fusion materials.
|-
! Solid/Liquid Divertor Experiment
| SLiDE || High vacuum experiment aimed to test a variety of divertor concepts. Uses an electron beam of up to 15 MWm<sup>−2</sup> as a heat flux source with a magnetic field present.
|-
! TUnsten Fuzz Characterization by heliCON
| TUFCON || Used to investigate the formation of tungsten fuzz in helium plasma exposure. More recently, used to determine the effect of hydrogen plasma parameters and radical density on the spitting of microdroplets from liquid metals (tin, lithium, tin-lithium).
|-
! Vacuum Oven
| VO || Design and implementation of a vacuum oven to produce clean samples of SnLi alloys at multiple mass ratios.
|}

=== Processing Plasma ===
{| class="wikitable"
! Device
! Anacronym
! Description
|-
! EUVL
| NXE:3100 || Extreme Ultra-Violet Lithography experiments.
|-
! HARP
| HARP || Ion beam and helicon plasma source for studing plasma attenuation of a stream of ions.
|-
! Surface Wave Plasma
| SWP || These plasmas have high ion and radical densities and have electron temperatures low enough to not cause any damage to surfaces.
|-
! Tin Removal Experiment
| T-REX || Removal of tin on the collection mirror of an extreme ultraviolet (EUV) source used for advanced lithography.
|-
! Xtreme Commercial EUV Exposure Diagnostic
| XCEED || Z-pinch EUV source and plasma welding
|}

=== Industrial Plasma ===
{| class="wikitable"
! Device
! Anacronym
! Description
|-
! Femtosecond laser texturing
| FLT || Surface modification and texturing using a short-pulsed laser to change surface material characteristics.
|-
!
| GALAXY || DC magnetron investigation of sputtering rates and efficiencies using flexible magnetic fields and HiPIMMS.
|-
! Radical Probe
| RP || Probe for measuring radical densities in chemically active plasmas.
|-
!
| SCOPE || Chamber used for various plasma sources and diagnostic purposes.
|-
! Sputtering High-purity Atomic Deposition Experiment
| SHADE || Dual magnetron system for thin film deposition. Rotatable substrate for increased uniformity.
|-
! Fractal TRIDYN
| F-TRIDYN || Widely used Monte Carlo, Binary Collision Approximation code which includes explicit model of surface roughness and additional output modes for coupling to plasma edge and material codes.
|}
=== Atmospheric Plasma and Plasma Chemistry Research ===
{| class="wikitable"
! Device
! Anacronym
! Description
|-
! Evaporative Coating at Atmospheric Pressure
| ECAP || Atmospheric plasma torch for surface modification.
|-
|}

=== Plasma Curriculum within NPRE ===
The Plasma curriculum within the NPRE department and taught by faculty members of CPMI is quite extensive and comprehensive. It offers topics covering not only basic plasma science but also plasma engineering.

NPRE 321 - Introduction to Plasmas and Applications

NPRE 397 - Independent Study

NPRE 421 - Plasma and Fusion

NPRE 423 - Plasma Laboratory

NPRE 429 - Plasma Engineering

NPRE 498 - Special Topics

NPRE 522 - Controlled Fusion Systems

NPRE 523 - Plasma Waves

NPRE 524 - Computational Plasmas (currently as NPRE 598))

NPRE 526 - Plasma Material Interactions

NPRE 527 - Plasma Technology and Gaseous Electronics

NPRE 428/528 - Fusion Engineering, Device and Operations (currently as NPRE 498)

NPRE 529 - Plasma Chemistry (currently at NPRE 598)

NPRE 598 - Special Topics

== Affiliated Institutes and Laboratories ==
Illinois Plasma Institute (IPI)

Laboratory of Computational Plasma Physics (LCPP)

Starfire Industries (SFI)

Energy Driven Technologies (Editekk)

Radiation Surface Science and Engineering Laboratory (RSSEL)

== References ==
{{Reflist}}

== External links ==
*
*
*
*

{{Fusion experiments}}
{{coord missing|Illinois}}
]
]
]

Latest revision as of 13:16, 3 December 2021

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