STATISTICAL THERMODYNAMICS
RESEARCH CENTER
WELCOME, BIENVENUE, BIENVENIDO
Dr. Garza
Professor of Chemistry
Click on my picture if you want to e-mail me,even if I am away from
I was on sabbatical for the 1996-97 academic year at STANFORD.
I worked in the lab of
Professor Zare.I dealt with a technique called "Near-field
Optical Microscopy ". For the first time in the history of science
we can observe single atoms and molecules. The power to visualize chemical
and biochemical phenomena at the molecular level means that we are witnessing
the birth of entirely new technologies for observing and manipulating the
individual building blocks of matter, a field that has been given the name
of "nanomanufacturing."
In June 1999 I was the first CAMBRIDGE UNIVERSITY/POMONA
COLLEGE FACULTY EXCHANGE.
I had the honor of being the first exchange faculty
at Downing College.
where
I conducted computational/theoretical research on diffusion-controlled
reactions on fractal structures using the facilities of Cambridge University.
![[image: zewailnobel.jpg]](zewailnobel.jpg)
In 2004 I was on sabbatical in the lab of Professor
Ahmed Zewail, 1999 Nobel Prize winner for his groundbreaking work in viewing and
studying chemical reactions at the atomic level as they occur. I
translated his autobiography from English to Spanish.
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IN OUR OWN WORDS:
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| For Pomona Campaign News 1999 Click above. |
For Collaboration in Research click
picture above. |
Sample of Student Members who have worked in my Summer Research Program:
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Undergraduate Students
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Daniel Byun |
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Departamental grant |
Lewis Naya |
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CAMP-NSF grant |
Kevin Orellana |
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CAMP-NSF grant
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Arthur Partikian |
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SURP grant |
Felix Rivera |
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CAMP-NSF grant |
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  |
 "Recurrence
and Trapping on a Fractal Solid" Roberto A. Garza-López, Minh
Ngo ,Erica Delgado and John J. Kozak.Chemical Physics Letters 306 (1999)
411-15. |
Journal where the paper co-authored by Minh and Erica
MINH NGO
ERICA DELGADO:
was published.
(a.k.a. Eric Wu)
SURP GRANT
DEPARTMENTAL
SUPPORT
(Abroad at Oxford and Spain)
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Description of the research
Currently, we are investigating two major problems. First is
the occurrence of fractal structures in the early stage mechanisms of nucleation
and the effect of conservation laws on the evolution
of systems out of equilibrium and the presence and influence of fractal
structures in non-linear dynamics. Secondly we are in the process of using
our results to study diffusion-controlled reactions on regular and fractal
2-D and 3-D architectures. Contact with experimentalists is maintained.
IMPORTANT SITES
Recent Publications:
1. "New Topological Theories for Classical and Non-Classical
Delocalized Electronic Systems." Roberto A. Garza-López . The
University of Texas at El Paso Press. August 1985.
2. "Pattern Development in Cellular Automata Triggered by Site-Specific
Reactive Processes." Gregory D. Abowd, Roberto A. Garza-López
and John J. Kozak , Phys. Lett. A. 127, 155-9
(1988)
3. "Influence of Surface Structure on the Kinetics of Diffusion-Controlled
Reactive Processes on Molecular Organizates and Colloidal Catalysts." Philip
A. Politowicz, Roberto A. Garza-López, David E. Hurtubise and John
J. Kozak J. Phys. Chem. 93, 3728-35 (1989)
4. "Pattern Development in Cellular Automata triggred by Site-Specific
Reactive Processes: Dynamical Aspects." Roberto A. Garza-López
and John J. Kozak. Phys. Rev. A 40, 7325-7333.
(1989)
5. "Kinetics Changes Arising from Surface Defects and Inhomogeneities."
Roberto
A. Garza-López, Jayanta K. Rudra, Russell Davidson and John J. Kozak.
J.
Phys. Chem. 94, 8315-8322. (1990)
6. "Diffusion of a Dimer through a Structured Medium." Roberto
A. Garza-López, Jayanta K. Rudra and John J. Kozak . Chem.
Phys. Lett. 174, 278-282 (1990).
7. "Calculation of the Effective Dimensionality of Layered Diffusion
Spaces. Application to Diffusion-Controlled Processes in Smectite Clays."
Roberto
A. Garza-López and John J. Kozak J.
Phys. Chem. 95, 3278-3281 (1991)
8. "A Theoretical Study of the Influence of Surface Defects and
Inhomogeneities on the Efficiency of Diffusion-Controlled Reactive Processes."
by
Roberto A. Garza-López University of Georgia, Athens, Ga. Copyright
1991
9. "Effective Dimensionality of Layered Diffusion Spaces." Roberto
A. Garza-López and John J. Kozak J.
Phys. Chem. 96, 6027 (1992)
10. "Sievering of Linear r-mers through a Structured Medium."
Roberto A. Garza-López and John J. Kozak J.
Phys. Chem. 96, 9457-61 (1992)
11. "Reaction Efficiency of Diffusion-Controlled Processes on Finite,
Planar Arrays." Roberto A. Garza-López, and John J. Kozak Physical
Review E, 49, Number 2, 1049-1060(1994)
12. "Order-Disorder" Phenomena in a Diffusion-Reaction Model of
Interacting Dipoles on a surface." Roberto A. Garza-López, Daniel
Byun, Kevin Orellana, Arthur Partikian, David Siew, Anne Yu and John J.
Kozak. Journal of Chemical Physics, 103,9413
(1995).
13. "Reacciones sobre Superficies de Catalizadores." Roberto
A. Garza-López, Revista de la Sociedad Química de México,
1994, 38:5,315.
14. "Fenómenos Catalíticos de Superficies." Roberto
A. Garza-López, Revista de la Sociedad Química de México,
1995.
15. "Injection o Samples and Single Molecules into Tapered Capillaries."Daniel
T. Chiu, Andrew Hsiao, Anuj Gaggar, Roberto A. Garza-López,Owe Orward
, and Richard Zare. Analytical Chemistry, Vol.
9, Number 10, pp. 1801-7. (1997)
16. "Transition Behavior on Lattices with Ladders." Roberto
A. Garza-López, David Bae, Lewis Naya and John J. Kozak. Chemical
Physics Letters 286 (1998) 369-374.
17. " Chemical Transformations in Individual Ultrasmall Biomimetic
Containers." Daniel T. Chiu,Clyde F. Wilson, Frida Ryttsén,Anette
Stromberg, Cecilia Farre, Anders Karlsson, Sture Nordholm, Anuj Gaggar,
Biren P. Modi, Alexander Moscho, Roberto A. Garza-López, and Richard
Zare.Science,
Vol. 283, 19 March, 1999, pp. 1892-5
The importance of the results of the above article were featured in
:
a) Science News, "Microscopic vessels merge to mix molecules." March
20, 1999, Vol. 155, No. 12 Page: 183.
b) Chemical & Engineering News.
" Tiny reaction vessels mimic cell membranes." March 22, 1999, Vol.
77, No. 12, pg. 7.
and attracted pubilicity in the following article:
c)
"Artificial Cells Solve Real Problems." San Francisco Chronicle. Monday,
March 22, 1999.
d)
Stanford News. "Vesicle chemistry: a new way to get life-like reactions."
3/18/99
e) Pomona College Magazine. "Microscopic Test Tubes." Summer
1999. pg. 15
18. "Recurrence and Trapping on a Fractal Solid" Roberto A. Garza-López,
Minh Ngo ,Erica Delgado and John J. Kozak.
Chemical Physics Letters 306 (1999) 411-15.
19.
"Reaction Efficiency on the Surface of a Porous Catalyst" Roberto
A. Garza-López and John J. Kozak. J.
Phys. Chem. B, (1999), 103, 9200-9204. This issue is to
honor one of my professor at Notre Dame University: Dr.
J. Kerry Thomas (Nieuwland Professor of Science). .
20. "Tortuosity Factor for Permeant Flow through a Fractal Solid"
Roberto A. Garza-López and Lewis Naya
University of Cambridge, Department of Chemistry.
Lensfield Road, Cambridge CB2 1EW, UNITED KINGDOM
and
John J. Kozak
Department of Chemistry, Iowa State University, Ames IA 50011-3111
USA
Journal of Chemical Physics.
Vol 112, Number 22 (2000), 9956
21. "Diffusion reaction processes involving interacting dipoles
on Euclidean vs fractal architectures."Roberto A. Garza-López
, Chris H. Lee, David Lin, Gerardo López-Mena, David Niu and John
J. Kozak. Chemical Physics Letters. xxx(2002)
xxx ().
RESEARCH ON PENROSES
PAPER 1
A simpler approach to Penrose tiling with implications for quasicrystal
formation.
PAPER 2
A trick of the tiles
PAPER 3
From tilings to coverings
PAPER
4 Some are less equal than others
PAPER 5
The bondage of symmetry broken
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