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The Photon Ultrafast Laser Science and Engineering Institute is a Stanford independent laboratory providing world leadership in ultrafast and short wavelength science and technology.


PULSE Scientist Evan Reed wins NSF CAREER Award

PULSE congratulates Evan Reed on recently winning a CAREER Award from the National Science Foundation. NSF CAREER Awards are prestigious five-year grants given in support of junior faculty who exemplify the role of teacher-scholars through outstanding research, excellent education and the integration of education and research within the context of the mission of their organization.

Dr. Reed's project entitled, "Two-Dimensional Phase Change Materials" builds on the recent prediction that some two-dimensional (2D) transition metal dichalcogenide materials exhibit phase change properties near ambient conditions. These 2D materials are nearly atomically thin, an aspect that provides potentially useful properties that ordinary phase change materials lack. The 2D nature of these materials provides fundamentally new physical mechanisms for controlling the transformations that do not exist in known, bulk materials. His project will explore the phase change properties of 2D materials and their potential for applications in energy, information storage, electronic, optical, and other important applications with broad societal benefit. It will also elucidate the scientific theory of 2D structural phase transformations, likely to be quite different from conventional theories. In the process, this project will tackle some of the most challenging problems in computational materials science by extending the accuracy and scale of computational methods for predicting the properties of materials.

To integrate outreach with this research, Dr. Reed will host and mentor a group of college-bound, under-represented minority high school students during the summers and involve them in aspects of this project. He will develop interactive Java applications that run real-time atomistic materials simulations aimed at broad research dissemination and materials education at the undergraduate and K-12 levels. These applications represent an exciting new paradigm for materials education that has potential to transform the way in which students learn about materials by putting them in the driver seat.

For more information: Reed Group, NSF

PULSE Scientist Markus Gühr Involved in Development of New Initiative for Ultrafast Science with Electrons

A new research facility to conduct ultrafast electron diffraction and microscopy ("UED/UEM") has come online at SLAC in just several months, with staff scientist Markus Gühr providing leadership in research using this facility. In the facility, high-energy electrons are used in order to image materials and compounds of interest. It is a complement to the ultrafast, ultrabright X-ray pulses of the LCLS, which can analyze samples using diffraction or scattering among other methods. Together with Hermann Dürr of SIMES, Gühr has identified materials science and chemistry as two key fields of research for which the SLAC UED/UEM facility will be valuable.

A key aspect of the new facility and the initial research campaign in these two fields is to provide scientific opportunities for students and early-career scientists. Gühr himself is a recipient of a Department of Energy Early Career Award, and is presently hosting a graduate student from the Martin Centurion lab group at the University of Nebraska-Lincoln. Longer-term collaborations are being forged in order to pursue larger objectives in ultrafast science, such as the Gühr and Centurion groups' goal to create molecular movies for chemical reactions at femtosecond time scales.

For more details and further reading: SLAC News

PULSE participating in Physics and Applied Physics Open House

PULSE will be proud to welcome admitted graduate students to Stanford on March 17 and 18 and looks forward to meeting and talking with students interested in ultrafast science. Researchers from PULSE will be on Stanford campus the afternoon of Tuesday, March 17 from 2 pm to 5 pm as part of the Open Offices/Open Labs session. Admitted students interested in learning more about the exciting and cutting-edge research that goes on at PULSE should stop by PULSE Director Phil Bucksbaum's office to meet with researchers from our group. Details about the location can be found in the Open House program. PULSE will also be hosting lab tours at SLAC on Wednesday, March 18 from 2 to 5 pm. Interested students will be able to see our labs and talk to current researchers who are located at SLAC.

Current PULSE researchers can sign up to have a poster displayed at the on-campus poster session by filling out this form. The deadline for submission is Friday, March 13.


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