APS User News
Issue 63, September 9, 2010

CONTENTS

MESSAGE FROM THE APS

SCIENCE NEWS
1. Science Highlights

USER MATTERS
2. New Opportunities for Industrial Users in Run 2010-3
3. Walter Lowe on Assignment to DOE-BES
4. Cross-cut Review of XIS/LSS Science at the APS: October 6, 2010
5. APS Scientific Advisory Committee Meets on October 7-8, 2010

FACILITY NEWS
6. New APS Scheduling System Being Used for Run 2010-3
7. You Tube Videos Highlight APS Upgrade
8. Upgrades Made to the Personnel Safety System (PSS)
9. Search Committee Formed to Seek Candidates for the Argonne Associate Laboratory Director for Photon Sciences Position
10. 2011 Users Meeting Organizers Identified

AWARDS AND HONORS
11. Kenneth Sidorowicz Recognized with Outstanding Service Award

BRIEFLY NOTED
-- 16th Pan-American Synchrotron Radiation Instrumentation Conference: September 21-24, 2010
-- Workshop on Evolution and Control of Complexity: Key Experiments Using Sources of Hard X-rays, October 11-13, 2010
-- Advanced Light Source Users' Meeting 2010, October 13-15, 2010
-- Microorganism Transport and Removal in Groundwater, AGU December 13-17, 2010
-- HS&T Conference 14 Date Change

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MESSAGE FROM THE APS

Update on the Development of the APS-U Conceptual Design Report
From Dennis Mills, APS Deputy Director for X-ray Science
We’d like to update everyone on the Conceptual Design Report (CDR) development process. Many of you have made contributions to the CDR through by submitting text and figures, reviewing and editing early drafts, and serving on and writing reports for a variety of reviews and workshops. Thank you for all your time and effort!

APS staff have taken all your written and oral contributions and developed text describing the proposed new and enhanced beamlines. In addition we have drafted sections on the accelerator, optics, detectors, and other enabling capabilities. We then started the daunting task of costing all the proposed items of the upgrade. That was only recently completed, and to no one’s surprise, the total cost was well beyond the range that had been suggested by our sponsors. Therefore, we are in the process of prioritizing the list of proposed upgrades for a series of upcoming reviews that will help us hone the APS-U CDR.

The first review we prepared for was the annual University of Chicago (U of C) review of the APS on August 30 and 31, 2010. We presented a draft prioritized plan to the review committee for their consideration. Our plan is to fold the comments we receive from that review into an updated draft CDR.

Following the U of C review, we expect to go through two more reviews: the Project Scientific Advisory Committee (PSAC), a team selected by and reporting to ANL Director Eric Isaacs, and a review by the APS Scientific Advisory Committee (SAC) before a “final draft” is completed the end of calendar year 2010. The advice of the two advisory committees will be key to our preparing the final draft. Note that even the “final” CDR will include a range of options and scope, consistent with the expectations of a conceptual design report.

During the time between APS SAC review and the end of the calendar year, it is our plan to make a draft of the CDR available to the users upon request. So that your voice is heard, I would strongly suggest that users direct their comments to the APSUO, PUC, and/or Life Science Council representatives on the APS Upgrade Steering Committee and that APS staff direct their comments to any APS member on the committee (see list below). This will ensure that all comments are brought to the attention of the APS Upgrade Steering Committee as a whole and be communicated to the APS-U Project Director, Derrick Mancini.

APS Upgrade Steering Committee
Dennis Mills (APS), Chair
Rod Gerig (APS)
George Srajer (APS)
John Maclean (APS)
Michael Borland (APS)
Tom Irving (PUC representative)
Paul Fuoss (APSUO representative)
David Tiede (APSUO representative)
Bob Fischetti (Life Science Council representative)
Dan Neumann (SAC Member)

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SCIENCE NEWS

1. Science Highlights

  • Probing Spin Liquids with a New Pulsed-Magnet System
    Entirely new experimental vistas could be opened by a device called a precursor pulsed-magnet system developed by an international team of scientists. This system can generate magnetic fields as high as 30 tesla for synchrotron x-ray scattering experiments. The researchers recently completed the first practical work using the system at the U.S. Department of Energy’s Advanced Photon Source (APS) at Argonne National Laboratory to study magnetoelastic effects in the rare-earth pyrochlore terbium titanate (Tb2Ti2O7). More…
  • In or Out: Setting a Trap for Radioactive Iodine
    Nuclear power plants produce a host of radioactive isotopes as by-products. One such radioisotope is iodine-129 (129I). With a half-life of nearly 16 million years, the 129I produced by nuclear power plants will be sticking around for a long time. Because iodine plays a role in human metabolism, radioactive 129I is especially dangerous if it escapes into the environment. Researchers utilizing the U.S. Department of Energy’s Advanced Photon Source (APS) at Argonne National Laboratory have uncovered new information that might lead to improved long-term storage of iodine-129. More…
  • Making Silicon Melt in Reverse
    Like an ice cube on a warm day, most materials melt — that is, change from a solid to a liquid state — as they get warmer. But a few oddball materials do the reverse: They melt as they get cooler. Now a team of researchers at MIT, who utilized x-ray beamlines two U.S. Department of Energy synchrotron x-ray light sources, including the Advanced Photon Source (APS) at Argonne National Laboratory, has found that silicon, the most widely used material for computer chips and solar cells, can exhibit this strange property of “retrograde melting” when it contains high concentrations of certain metals dissolved in it. More…
  • Making a Magnetic Moment in a Split Picosecond
    A wide range of phenomena in nature and technology depend on changes that occur in a material after it is illuminated with visible light. A well-known example is photosynthesis, where successive excitations by photons (light particles) leads to the production of oxygen from water. Other, more application-specific examples are solar cells and photocatalysis. Current research involves the study of iron molecular complexes, such as iron bipyridine, that after photoexcitation turn from nonmagnetic to magnetic. More…

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USER MATTERS

2. New Opportunities for Industrial Users in Run 2010-3
Beginning with the 2010-3 User Run, the APS will be offering industrial users a new mode of access. Designed for those who simply want to make measurements on a short-turn-around basis, the system (accessible from the APS Home Page at http://www.aps.anl.gov/industry/) asks the prospective user for a brief description of the problem/measurement needed and contact information. The APS will immediately determine if it can make the measurement, if the measurement is appropriate and can be made safely, and if the process has a reasonable chance of producing useful information. If all questions have positive answers, the APS will work with the user and an appropriate beamline scientist to schedule the measurement on a rapid-access basis. Dennis Mills (dmm@aps.anl.gov) is currently coordinating this program. For further information, contact Dr. Mills or Susan Strasser (strasser@aps.anl.gov) in the APS User Office.

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3. Walter Lowe on Assignment to DOE-BES
Effective September 1, 2010, Walter Lowe will be on a one-year assignment as a Detailee in the Scientific User Facilities Division at the Department of Energy’s Office of Basic Energy Sciences. As you know, one of Walter’s roles in Photon Sciences was to serve as a liaison for new industrial users of the APS and develop a pilot program to increase industrial usage of the facility. Walter completed development of the pilot program and we will have our first set of industrial users coming in under this program starting with the upcoming user run, 2010-3. Dennis Mills will serve as the coordinator of that program in Walter’s absence until a permanent replacement can be found. (See above story.)

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4. Cross-cut Review of XIS/LSS Science at the APS: October 6, 2010
The APS Scientific Advisory Committee is holding a cross-cut review of x-ray interface and liquid-surface scattering science at the APS on Wednesday, October 6, 2010. The agenda is posted on the APS Conference Web site (http://www.aps.anl.gov/News/Conferences/), and can be accessed by clicking on the meeting link.

The invited talks and poster session are open to all users, APS staff, and other interested individuals. Posters are now being solicited for the poster session. If you are interested in having a poster included in this session, please send the title of the poster and the full names and affiliations of all contributors to Susan Strasser by Monday, September 20. Beamline staff are encouraged to forward this message to non-resident user colleagues. Although it is preferable to have the poster attended during the session, unattended posters will be accepted.

Please note that the agenda includes various opportunities for community input; in addition to time for questions at the end of each presentation, the schedule includes an open two-hour slot from 8:30 a.m. to 10:30 a.m. for interested community members to meet with reviewers and members of the APS Scientific Advisory Committee.

If you have questions, please contact Susan Strasser (strasser@aps.anl.gov; 630-252-5981).

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5. APS Scientific Advisory Committee Meets on October 7-8, 2010
The October meeting of the APS Scientific Advisory Committee (SAC) will include discussions with Argonne Director Eric Isaacs about the search for a new Associate Laboratory Director for Photon Sciences, as well as transition planning. The primary focus of the meeting, however, will be the APS Upgrade; the SAC will be asked to comment on plans thus far, as well as advise the APS on the scientific content of the draft Conceptual Design Report. This report outlines preliminary plans for instrumentation and beamlines, presenting a number of alternate scenarios.

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FACILITY NEWS

6. New APS Scheduling System Being Used for Run 2010-3
The new Web-based scheduling system for APS beam time, developed with considerable input from beamline scientists and APS users, is now live. Beginning with Run 2010-3, ALL beam time (including Collaborative Access member, CAT staff, and APS staff time) must be requested through the Beam Time Request System and connected to a proposal. Beam Time Requests can then be scheduled through this application, and all beam time usage data used for reporting will come from this system. See User News, Issue 62, for further details.

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7. You Tube Videos Highlight APS Upgrade
APS User News will feature a new APS Upgrade video in each of the upcoming issues. These videos are available on the Argonne National Laboratory You Tube site. Here is the first video (http://www.youtube.com/argonnenationallab#p/c/48F87597ED7A111A/0/tqV5FC5I44U).

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8. Upgrades Made to the Personnel Safety System (PSS)
The APS Safety Interlocks Group has been upgrading the Personnel Safety Systems (PSS) around the storage ring to improve the system by reducing “nuisance faults” and by adding diagnostics to help in troubleshooting and addressing processor obsolescence. This upgrading is being implemented in two phases. Many beamlines are having their existing systems altered with a “mini upgrade” and others are receiving a “full upgrade” to a new version of PSS. Many of you may have noticed slight changes to your user control panels as a result of these changes. Whether your beamline is getting a “mini upgrade” or a “full upgrade,” most of the changes to the PSS are transparent from a user standpoint. One change users are noticing is a revision to the way the pneumatic doors operate.

The doors on the experimental enclosures have switches that are activated when the door is completely closed. These switches are hardwired into the PSS system and are monitored both for station search status and as part of the shutter safety logic. If the doors are not verified to be closed, x-rays are not allowed into an enclosure. Since door closure is a key safety issue, the doors are equipped with magnetic locks that prevent challenges to the PSS when the station is secured. One of the more frequent PSS "nuisance trips" happens when the door bounces off its closed switches when the door hits the end of travel and the lock command has been given or a user releases the door close button prematurely. A simple fault reset clears these door faults, but they can cause an inconvenience to the experimenters. Since this fault has occurred with relative frequency in the past, the PSS code is being modified so that the station doors are NOT locked until the final searched condition is reached--a full twenty seconds after the last signal in the search sequence is sent. On stations that end their search with the closure of a pneumatic door, the twenty-second timing begins when the final door is completely closed. This change to PSS code guarantees that door faults will no longer happen during station searches.

Many users watch both the “Closed” and “Locked” LEDs on the door control panels to verify that the door is fully closed and they can release the door close pushbutton. The new delay to the door lock command does not mean that users need to hold the door close button any longer than they did before. Instead of looking at both the “Locked” and “Closed” LEDs, simply look at the “Closed” LED and wait a second after it lights to make sure that the door’s momentum does not cause the door to bounce off the closed switch.

Any beamline that has been validated by PSS since the 2010 April/May shutdown has this change to the door lock logic. These beamlines include 01-BM, 01-ID, 03-ID, 05-BM, 05-ID, 08-BM, 09-BM, 10-BM, 10-ID, 12-BM, 13-ID, 15-ID, 18-ID, 20-ID, 22-BM, 23-ID, 24-ID, 33-BM, and 33-ID. During the 2010 August/September shutdown beamlines 02-BM, 02-ID, 06-ID, 08-ID, 12-ID, 16-BM, 17-BM, 17-ID, 34-ID, 35-BM, and 35-ID will be updated with this change. The remaining beamline PSS systems will have this change implemented in the December 2010/January 2011 shutdown. (Contact: John Quintana, Associate Division Director, Mechanical and Interlock Systems, jpq@aps.anl.gov.)

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9. Search Committee Formed to Seek Candidates for the Argonne Associate Laboratory Director for Photon Sciences Position
Dr. Eric Isaacs, Director of Argonne National Laboratory, recently announced the formation of a committee charged with conducting an international search for candidates to fill the position of Associate Laboratory Director (ALD) for Photon Sciences. Murray Gibson, current ALD for Photon Sciences, will be leaving Argonne on October 1, 2010, to become Dean of the new College of Sciences at Northeastern University in Boston, Massachusetts.

This committee will serve as a resource to recruit outstanding candidates to take on the challenges and excitement of stewarding the Advanced Photon Source through a major upgrade, as well as becoming an integral part of Argonne's senior leadership team. The committee will recommend the top candidates to Eric Isaacs, who is responsible for the final selection. Qualified individuals will possess demonstrated scientific leadership and vision; a high level of scientific accomplishment; and a deep knowledge and/or experience with science with hard x-rays, beamlines, and synchrotron sources.

Headed by G. Brian Stephenson (Materials Science Division, Argonne), the committee includes the following individuals:

  • Emilio Bunel (Chemical Sciences and Engineering, Argonne)
  • Helmut Dosch (Deutsches ELektronen-Synchrotron)
  • Bob Dynes (University of California)
  • Paul Fuoss (Materials Science Division, Argonne)
  • Janos Kirz (Lawrence Berkeley National Laboratory, retired)
  • Keith Moffat (The University of Chicago)
  • Monica Olvera de la Cruz (Northwestern University)
  • Brian Stephenson (Materials Science Division, Argonne), Chair
  • Linda Young (X-ray Science Division, Argonne)
  • Tracey Rossett (Human Resources Division, Argonne) ex-officio

Recommendations can be sent directly to the Search Committee (trossett@anl.gov) or made by contacting any of the Committee members. The search is expected to last no longer than six months.

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10. 2011 Users Meeting Organizers Identified
During the May 5, 2010, APS Users Organization (APSUO) Steering Committee meeting Peter Eng (The University of Chicago) was elected Vice Chair of the APSUO Steering Committee. Traditionally, the Vice-Chair assumes responsibility for organizing the scientific sessions of the annual Users Meeting. Pam Focia (Northwestern University) has been appointed APS Workshop Chair. The next Users Meeting is slated for the first week in May 2011. Information about the APSUO is available at http://www.aps.anl.gov/About/Committees/APS_Users_Organization/.

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AWARDS AND HONORS

11. Kenneth Sidorowicz Recognized with Outstanding Service Award
Congratulations to Kenneth Sidorowicz (APS Engineering Support Division) who was presented with the University of Chicago Board of Governors Outstanding Service Award on July 8, 2010, the highest honor the university gives to Argonne employees in support positions (see full article).

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BRIEFLY NOTED

--16th Pan-American Synchrotron Radiation Instrumentation Conference: September 21-24, 2010
The 16th Pan-American Synchrotron Radiation Instrumentation Conference (SRI2010) is set for September 21-24, 2010, at the Advanced Photon Source and will feature presentations on the latest developments in synchrotron methods and instrumentation, including new sources, optics, detectors, beamlines, and groundbreaking applications. SRI2010 will emphasize the impact of synchrotron radiation instrumentation in many disciplines, including life, energy, and environmental sciences.

Register for the meeting at http://sri2010.aps.anl.gov/index.php/register/. Visit the SRI2010 website for details on travel, accommodations, the vendor exhibition, and much more.

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-- Workshop on Evolution and Control of Complexity: Key Experiments Using Sources of Hard X-rays, October 11-13, 2010
This workshop will identify unexplored opportunities in the emerging field of non-equilibrium processes where the focus will be on the use of hard x-ray spatiotemporal techniques. See http://www.aps.anl.gov/News/Conferences/2010/Complexity/.

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-- Advanced Light Source Users' Meeting 2010, October 13-15, 2010
Registration for the 2010 Advanced Light Source Users' Meeting is open -- register at http://www.als.lbl.gov/als/usermtg/registration.html. The early registration is open until Friday, September 24, 2010.

Registration fees include: Attendance at plenary sessions and workshops, poster session, awards dinner banquet, meeting materials, reception for exhibitors, student poster competition, vendor exhibits, lunches, and coffee breaks.

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-- Microorganism Transport and Removal in Groundwater, AGU December 13-17, 2010
An exciting session is planned for the 2010 AGU Fall Meeting held in San Francisco from December 13-17, 2010: Microorganism Transport and Removal in Groundwater. The session organizers have invited leading researchers as invited speakers. Confirmed speakers include: Timothy Ginn and Ronald Harvey. Deadline for Abstract Submission: September 2, 2010. On-line abstract submission: http://www.agu.org/meetings/fm10/program/abstract_submissions.php.

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-- HS&T Conference 14 Date Change
Humic Science and Technology Conference 14 will be held a little earlier than usual in 2011 to accommodate special requests. The firm date for HS&T Conference 14 is March 9-11, 2011, at the Egan Research Center at Northeastern University, Boston, MA, USA. Registration and other HS&T Conference details can be found at www.hagroup.neu.edu. The deadline for abstracts is January 31, 2011.

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