PHYSICS FLASH
    News from the Department of Physics ~ December 2007

ASU PHYSICS
Department of Physics
Arizona State University
PO Box 871504
Tempe, AZ 85287
480.965.3561

’Tis the season...to GRADUATE!
Convocation marks beginning of a new chapter for grads


‘Cold’ and ‘early’ are two adjectives that normally don’t sit well with ASU students. But for a handful of physics students, getting to campus at 7:15 a.m. on a very chilly December 14th was no problem at all. In anticipation of the College of Liberal Arts and Sciences’ convocation ceremony, undergraduate and graduate students assembled in the frigid morning air outside Wells Fargo Arena. Inside family, friends, ASU faculty and staff awaited the procession and a chance to congratulate their students. Among the hundreds of caps and gowns were several ASU Physics students. Convocation addresses were delivered by Dean Quentin Wheeler and Leigh Ann Thagard, an ASU student  among this semester’s graduates. For some, the event signals the start of their professional careers. For others, it is the bridge between undergraduate and graduate studies. But for all, their time with ASU Physics was well spent according to David Smith, Regents’ Professor and Associate Chair of Physics. “Graduating with a degree in physics equips students with the skills and knowledge needed to succeed in any number of professional roles,” Smith says. Future plans mentioned by some ASU physics grads include careers in software and design. A few plan to continue their studies in graduate school or as a postdoctoral student. ASU Physics extends its warmest congratulations to all our graduates for a job well done and best wishes for future success!
CONGRATULATIONS ASU PHYSICS GRADUATES!

Bachelor of Science  
Anderson, Christopher
Lynn, Joel
Jenners, Matthew
Sanger, Mark
Joshua, Surani
Bank, Daniel
Rider, Candice

Master of Science/
Masters-in-Passing

Yang, Bo
Mott, Adam
Kibel, Ashley
Straughn, Amber
DeGraffenreid, James

Ph.D.
Qamar, Shahid
Jolley, Craig
Ashcroft, Brian
Foy, Joseph
Wu, Fuze
DeGraffenreid, James

 

Research targets how kidney stones form

In a paper recently published in the journal Urological Research, ASU Physics Professor Peter Rez and student Sebastian Sandersius show how kidney stones are actually made up of plates stacked together. Their research focused on the crystals that form kidney stones and the physics involved in how those crystals stick together. The images below were captured using a scanning electron microscope (SEM).
 


Figure 1. SEM image of calcium oxalate kidney stone. Bar indicates one micron.
 


Figure 2. SEM image (alternate angle)
of calcium oxalate kidney stone.
Bar indicates five microns.


The full reference for the paper is Morphology of crystals in calcium oxalate kidney stones S Sandersius and P Rez, Urol. Res. 35,no 6, p 287-293, (2007).

For more information on Professor Rez and his research group, visit our web site

From the Chair
Putting the graduation message into practice
 

 
 

 
It seems as thought the semester just began and suddenly we are at the midpoint of the academic year and the end of the calendar year.  We have just congratulated our outstanding Fall graduating class of seven BS, five MS, and six PhD recipients.  Dean Wheeler spoke at commencement about the dynamics of our society and how many of our students will be seeking jobs in positions that did not exist five years ago.  The student speaker, Leigh Ann Thagard, a graduate in Biochemistry, challenged the graduates to find their passion, to take risks, and to continue learning for the rest of their lives.
     In every way this has been an exciting year for ASU Physics. Our skilled and knowledgeable staff have challenged each other to be student focused and to help all of our students succeed.  The faculty have established a new strategic plan that emphasizes biological physics, nanoscale science, and particle-astrophysics, and all three groups are building a collaborative environment.  The new graduate program has had a successful launch with over twenty new students participating in the ‘Research Rotations’ to immerse themselves in research from the very beginning of their graduate student studies.
     The Colloquium and Distinguished Lecture series have provided opportunities for students and faculty to gather with many of today’s innovators in science and science policy.  Our undergraduate majors have represented themselves and ASU well at many events including the Four Corners Section Meeting of the American Physical Society.
     The Physics faculty have welcomed two new members, Dr. Cecilia Lunardini and Dr. Robert Ros, and searches are underway for new physics faculty at both the Tempe and Polytechnic campuses.  Our physics education programs are focused on high school teachers and they continue to be recognized as setting the standards for defining effective approaches to student learning.
     We are equally excited about the challenges ahead.  In the upcoming year we plan to initiate a new professional master’s degree in Nanoscience, and we will focus on ways to build collaborations that will enable new research and education programs and provide a multitude of opportunities to our students and faculty. We also plan on building a strong network for the Friends of ASU Physics.  To continue the message Ms. Thagard delivered to our recent graduates at convocation, I invite you to let me know how we can contribute to your passion for science, or help find ways to take risks to begin new endeavors or to continue learning and discovering new science.

Happy Holidays
from ASU Physics!
 

 

ASU Physics celebrates the holiday season and the end of a successful semester at the annual Holiday Open House on December 5th.


 

 


 

ASU faculty member Carl Covatto (left) visits with new Associate Professor Robert Ros. Ros will join the staff starting on January 1st and his research will focus on experimental biophysics.

 

 

 

 

 

The annual event drew a pretty big crowd consisting of students, faculty, staff, friends and family of ASU Physics.

 

 

 

 

 

 

 

 

ASU Physics Chair, Robert Nemanich and his wife Mary enjoy the festivities.

 

 

 

 

 


What does a physicist want for Christmas?
 
Ernst Bauer, Distinguished Research Professor:

“Free, undisturbed time to catch up on all the things which have piled up during the year: publications, reports, referee reports, cleaning up the office so that I can find things.”

 
 

Nicole Herbots, Emeritus Professor of Materials Physics:

“Any 17inch + flat-screen, 100 Gbites, > 2.7 GhZ laptop will do nicely too.”
 
 

Peg Stuart, Department Manager:
“A large unrestricted NSF award to study inert matter on a remote (but well provisioned) Pacific island that does not have access to PeopleSoft.”

What physics principle is demonstrated particularly well during the holidays?
 

Sabrina Mathues, Undergraduate Programs Coordinator:

“Newton’s First Law of Motion:  A holiday shopper in a state of uniform spending tends to remain in that state of spending unless the credit card company calls.”

 
 

Tyler Glembo, Graduate student:

“Entropy!  Just look at all the craziness!”

REU program broadens student experience

Andrew Gamalski is an under-graduate student in ASU Physics working with Professor Michael Treacy. Both share their thoughts on a recent research experience for undergraduates (REU) Andrew attended at Carnegie Mellon and the impact that research holds for the environment.

Andrew Gamalski:
Between June 3rd and August 11th of this year, I attended a summer REU at Carnegie Mellon University (CMU) in the Materials Science and Engineering Department (MSE). I studied how ceramic materials such as barium titanate, strontium titanate, and mixtures of the two could use UV radiation to split water molecules to get hydrogen gas. However, measuring the amount of hydrogen gas is difficult to accomplish. Instead we ran the reactions in a silver nitrate solution. The light reactions caused the silver metal to accumulate on the surface of the sample in regions of theoretical hydrogen gas production. We used an Atomic Force Microscope (AFM) to take images of these ceramic samples before and after the reactions. In order
to interpret the AFM images, I wrote computer program which used the AFM topographical data to compute global silver height and density averages. Overall I found that the mixture of barium and strontium titanate had the most silver deposited on the surface.
Roughly twenty students participated in this program. Half of the students were from Carnegie Mellon and the others attended different universities. All of the students were very friendly and sociable. We usually relaxed on Saturday nights at a local student’s home. Since multiple REU’s were going on simultaneously CMU would host large events such as barbeques and ice cream socials that would bring all the students together. Another activity the REU students would attend was Friday movie night. On a hill right next to campus, the city would host a Friday movie night where different movies would be played on a very large projector screen. It was a lot of fun.
Attending this REU was an excellent experience for me and I would certainly recommend it to anyone who has an open summer and an
interest in scientific research. You simultaneously conduct excellent research, check out a new college campus, and meet new friends.

Professor Treacy:
Hydrogen shows much promise as a high energy density fuel, but there are many problems to overcome. The biggest problem is that it takes energy to convert water into hydrogen and oxygen in the first place. In fact, thermodynamics tells us that it will cost more energy than we get back out. Andrew’s work was applying a clever idea, at the nanoscience level, to construct a catalytic material that uses sunlight to break down water into is constituents. This means that the hydrogen production did not need fossil fuels and generates almost no carbon emission in the process. It is still early days, but ideas like this may end up contributing to alternative low carbon footprint fuels in the future.

For more information on Professor Michael Treacy and his research group, please visit our web site.