Watching Spins Travel across Borders – Contact:
Hendrik Ohldag, SSRL
Conventional electronics encode information using the charge of electrons.
Spin transport electronics, or spintronics, seeks to encode information using
the spin of electrons, up or down. Spintronics has the potential to be more
efficient and more reliable, especially as electronic components become
smaller. To advance the field, the mechanics of spin transport from one
material to another needs to be understood. In a study that develops methods
for studying spin transport, a team of scientists looked at how spin
information travels between a spin signal source (a ferromagnet) and a
non-magnetic material that transports the signal. Read
See also: September 3, 2015 SLAC News Feature
Citation: R. Kukreja, et al., Phys. Rev. Lett., 24 August 2015
Strong Orbital-selective Correlation Effects Unite Iron Chalcogenide
Superconductors – Contact: Donghui Lu, SSRL
A superconductor can carry an electrical current with no resistance, so no
energy is lost. This quantum mechanical effect was first discovered in certain
materials when cooled to very low temperatures, with the highest record at
-250°C. In 1986, a class of high temperature superconductor (HTSC)
materials was discovered called cuprates, which show superconducting
properties at temperatures as high as -135°C. More recently,
superconductivity was found in some iron-containing compounds known as
iron-based superconductors (FeSCs). Read
Citation: M. Yi et al., Nat. Commun., 23 July 2015
Award Winning Scientists
Feng Lin Wins Spicer Award for Smart Window, Battery
Excerpted from September 25, 2015 SLAC Today Article
Feng Lin, a former postdoctoral researcher at Lawrence Berkeley National
Laboratory, has been selected to receive the annual William
E. and Diane M. Spicer Young Investigator Award. He is being awarded for
x-ray experiments at SSRL that led to improvements in the design of a window
coating that can be tuned, with a slight voltage, to adjust the amount of heat
and visible light passing through. This can conserve energy by reducing heating
and cooling needs in buildings.
“Aided by the x-ray capabilities at SSRL, we figured out a way to make
this thin-film device more versatile,” Lin said. “Now it has a
clearer and more aesthetic view. You can tune between very dark and very
transparent states by applying a slight current, and the switching speed
between these states is much faster.”
Lin, who this year joined a startup company focused on developing new energy
storage technologies, will receive the award on October 8 during the Annual
LCLS/SSRL Annual Users' Meeting and Workshops.
Given each year to early-career scientists who work with x-rays, the award
recognizes Lin’s extensive research over the past several years at SSRL.
William Spicer was a co-founder of the Stanford Synchrotron Radiation Project
in 1972, which would later become SSRL. Read more...
Roopali Kukreja Wins 2015 Klein Award for X-ray Work
Excerpted from September 17, 2015 SLAC Today Article
Roopali Kukreja, a former researcher at SLAC who received her PhD in
materials science at Stanford University last year, will be honored during our
LCLS/SSRL Annual Users' Meeting and Workshops with the Melvin
P. Klein Scientific Development Award for her x-ray studies of nanoscale
magnetic and electrical properties of materials.
She played a part in experiments at both SSRL and LCLS, and her doctoral
thesis work focused on developing ultrasensitive tools at SSRL to directly
measure, for the first time, a magnetic property in electrons known as a
“spin current” that scientists hope to tap for a next-generation
form of electronics called “spintronics.”
Kukreja said, “We had conducted several experiments at SSRL that we
just spent troubleshooting, day after day. We kept fixing the electronics and
the setup. We really did face a lot of problems. One of my proudest moments was
when, after three years, everything just worked and we saw the extremely small
spin-current signal. We had been struggling for so long and it was finally
The award honors its namesake, a Lawrence Berkeley National Laboratory
biophysicist who was a pioneer in adapting x-ray and other techniques for
exploring biology, including the molecular machinery plants use to harness the
sun’s energy and release oxygen into the air we breathe. Read more...
Explore the World of Nobel Laureate Brian Kobilka
Visit the immersive Nobel Labs 360 website about Kobilka, including an
interactive tour of his work at SSRL. To find the SSRL section, click twice on
the window in the upper right corner.
SSRL Users' Organization Update
Vote for SSRL Users' Executive Committee by October
SSRL has a Users' Executive Committee (UEC) that includes user
representatives from various scientific areas that utilize SSRL beam lines. The
UEC provides an organized framework for interaction between the users and
SSRL/SLAC Management. UEC members are elected by the scientific community to
communicate the interests of users regarding SSRL operations and user support.
The committee meets several times throughout the year – we encourage
participation, feedback and suggestions from the general scientific user
community. To get involved or to learn more about the UEC, please contact us or
join us for meetings. We encourage you to contact any of the UEC members to
share your ideas.
This year we will elect new members in the areas listed below. Please
take a few minutes now to review the candidates and cast your ballot for the 2015/2016 SSRL UEC for users from
these areas (ballots close at 9 am PACIFIC on October 12):
* * VOTE * *
We hope that you are able to participate in the October 7-10 LCLS/SSRL
Annual Users' Meeting and Workshops as well as the Users’
Organization discussion with facility directors at 6 pm on October 8 (in the
VUE Center[see below])
Upcoming Workshops and Conferences
– Joint SSRL/LCLS Annual Users' Conference,
October 7-10, 2015
Although advance registration has closed, walk-in registrations may still be
accepted to participate in the joint SSRL/LCLS Annual
Users' Conference on
October 7-10. The $175 registration fee covers meeting logistics, light
refreshments and lunch and is waived for students and postdocs who present a
poster. The registration check-in desk will be in the lobby of the new
Science and User Support Buidling (SUSB), which is adjacent to the new Visitor,
User and Employee Center (see below).
The activities scheduled over this multi-day event provide opportunities to
learn about the latest user research results, current/future capabilities and
new science opportunities. Meeting highlights include:
Director's Welcome and Facility Updates
Invited Plenary Session Talks --
Patricia Dehmer (DOE): Perspectives on
the Office of Science after 20 Years in Washington
Axel Brunger (Stanford U): Using LCLS to
Determine the Crystal Structure of a Complex that is Central to Synaptic
Stefano Bonetti (Stockholm U): Spin
Currents: The Key to Nanometer and Femtosecond Magnetism
Matt Kanan (Stanford U): Chemical and
Electrochemical CO2 Recycling
Michael Lubell (CCNY/American Physical
Society): Thinking Big and Outside the Box
Lytle, Spicer and Klein Award Presentations
Feng Lin (Lawrence Berkeley National
Laboratory) -- 2015 Spicer Young Investigator
User Science Poster 'Blitz,' Poster Session and
Exhibitors of synchrotron-related equipment, supplies or
The plenary session talks, award presentations, exhibits, user poster
session and reception will be held on October 8. Several parallel workshops are
scheduled for October 7, 9, 10.
Wednesday, October 7, 2015 – Parallel Workshops
Applications of Ptychography
Beyond SASE at the LCLS & LCLS-II
Characterization of Ultrafast Magnetization Dynamics Using
Coupled Cycling of Biogeochemical Critical Elements and
Hybrid Methods for Integrative Structural Biology (Oct 6 at ALS, Oct 7 at SLAC)
Time Resolved Studies with Femtosecond X-ray Pulses:
Towards Molecular Movies of Molecules at Work
Friday, October 9, 2015 – Parallel Workshops
Advances in High Resolution X-ray Spectroscopy
Attosecond FELs: Capturing the Dynamics of Electrons in
the Time Domain
LCLS Data Collection, Diagnostics, Analysis,
New Discoveries in Biology with XFELS
Probing Structure and Dynamics of Quantum Materials via X-ray
Scattering at LCLS
Science Opportunities at SLAC in the Tender X-ray Range (2-5
keV) (Oct 9-10)
Scientific Opportunities with PS-Pulses at SSRL
Single Particle Imaging Initiative: Year One
Please encourage colleagues, particularly students, to attend and present a
poster. Visit the conference website for the latest program details.
Users will now check in at the new Visitor, User and Employee
From September 29, 2015, when you arrive at SLAC, you’ll be directed
to the new Visitor,
User and Employee (VUE) Center located at the Sand Hill Road entrance of
the laboratory in the Science and User Support Building (SUSB). The VUE
Center will provide you with everything you need to get you to your destination
as soon as possible: including basic online training, badging and dosimeters,
and user facility check-in. There will no longer be a need to go to multiple
When you enter the VUE Center, someone at the reception desk will greet you
and point you to the User Services office (if reception is unattended, there
will be a sign to direct you). Jacqueline Kerlegan, whom many of you
already know, will be in the VUE Center providing User check-in support.
Once your training, identification and other relevant details are verified, you
can get your badge, dosimeter (if necessary) and any other useful information
and be on your way.
We’re excited about these changes and what they mean for you, so
please don’t hesitate to provide us with feedback and suggestions –
which you can do in person at the VUE Center, via email VUE@slac.stanford.edu or by commenting
in your End of Run survey.
Questions not answered in the FAQs can be directed to: Sacha Hanigan, VUE Center Manager;
Cathy Knotts, SSRL User Research
Administration Manager; Elizabeth
Goodwin, LCLS User Research Administration Manager.
See also: SLAC Today Article
Call for User Publications, Theses, Awards, Patents
Please let us know about all publications, theses, awards, patents and other
forms of recognition resulting from research conducted fully or partially at
SSRL. These metrics of scientific achievements and productivity are extremely
important to the facility, and to our funding agencies.
Reminder: SSRL provides technical tools for world-leading science at
no charge for scientists who conduct non-proprietary research, with the
understanding that significant results are to be publicly disseminated.
Scientists must acknowledge use
facility in presentations and
publications and must inform us as research results are about to be published
so that we have the latest information and can work with you to more broadly
communicate your research.
User Research Administration
December 1, 2015 is the deadline for submitting standard SSRL
X-ray/VUV and Macromolecular Crystallography proposals.
LCLS Protein Crystal Screening proposals for CXI or XPP are due
by 4 PM PACIFIC on October 16.
Beam Time Request Deadline
November 15 is the next X-ray/VUV Beam Time Request deadline
for February - May scheduling
Submit proposals and beam time requests through the user
The Stanford Synchrotron Radiation Lightsource (SSRL) is a third-generation
light source producing extremely bright x-rays for basic and applied
research. SSRL attracts and supports scientists from around the world who
use its state-of-the-art capabilities to make discoveries that benefit society.
SSRL, a U.S. DOE Office of Science national user facility, is a Directorate of
SLAC National Accelerator Laboratory, operated by Stanford University for the
U.S. Department of Energy Office of Science. The SSRL Structural
Molecular Biology Program is supported by the DOE Office of Biological and
Environmental Research, and by the National Institutes of Health, National
Institute of General Medical Sciences. For more information about SSRL science,
operations and schedules, visit http://www-ssrl.slac.stanford.edu.
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Questions? Comments? Contact Lisa Dunn