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HABASAKI Junko

 
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NameHABASAKI Junko
AffiliationTokyo Institute of Technology
SectionSchool of Materials and Chemical Technology
Job titleAssistant Professor
DegreeDoctor of Science
Research funding number10133331

Research Areas

 
  • Nano/Micro science / Nanostructural chemistry / 
  • Basic chemistry / Basic chemistry / 
  • Material engineering / Inorganic materials/Physical properties / 

Published Papers

 
Junko Habasaki, Kia L. Ngai
Physical Chemistry Chemical Physics   9(33) 4673-4689   Aug 2007
When more than two kinds of mobile ions are mixed in ionic conducting glasses and crystals, there is a non-linear decrease of the transport coefficients of either type of ion. This phenomenon is known as the mixed mobile ion effect or Mixed Alkali...
Christian Müller, Egbert Zienicke, Stefan Adams, Junko Habasaki, Philipp Maass
Physical Review B - Condensed Matter and Materials Physics   75    Jan 2007
Based on molecular dynamics simulations of a lithium metasilicate glass we study the potential of bond valence sum calculations to identify sites and diffusion pathways of mobile Li ions in a glassy silicate network. We find that the bond valence ...
J. Habasaki, K. L. Ngai
Journal of Non-Crystalline Solids   352(42-49) 5170-5177   Nov 2006
Experiments have shown that the properties of the dynamics of ions in ionically conducting glasses are similar to the dynamics of molecules in glass-forming substances. The short time dynamics of ions when caged are manifested as the measured near...
Junko Habasaki, K. L. Ngai
AIP Conference Proceedings   832 199-202   May 2006
Heterogeneity, multi-fractality and cooperativity coming from the complex many-ion dynamics in ionically conducting glasses and the dynamical potential surface are the key features for a full understanding of the dynamics of the ions. We have exam...
J. Habasaki, K. L. Ngai, Y. Hiwatari
Journal of Chemical Physics   122 054507   Aug 2005
We present several characteristics of ionic motion in glassy ionic conductors brought out by time series analysis of molecular dynamics (MD) simulation data. Time series analysis of data obtained by MD simulation can provide crucial information to...

Books etc

 
Dynamics of Glassy, Crystalline and Liquid Ionic Conductors
HABASAKI Junko,Leon Carlos, Ngai,K.L. (Part:Joint Work)
Springer   Oct 2016   
Molecular Dynamics Studies of Ion Dynamics in Silicate Glasses
Transworld Research Network   2003   
Computational Chemistry using Personal Computer-Modeling and Simulation-
1992   

Conference Activities & Talks

 
Molecular Dynamics Simulations of Ion Dynamics in Porous Materials [Invited]
HABASAKI Junko
Nano-Science and Technology-2016   Sep 2016   
Molecular Dynamics Simulation of the Glass Transition in an Ionic Liquid [Invited]
HABASAKI Junko, Ngai,K.L.
Annual World Congress of Advanced Materials-2016   Jun 2016   
Molecular Dynamics Simulations of Silica-Nanocolloid-Water-NaCl Systems –A Role of Solvent for Structure Formation of Gels [Invited]
HABASAKI Junko, Anna Gubarevich
Annual World Congress of Advanced Materials-2016   Jun 2016   
Molecular Dynamics Simulation of Glass Transition in an Ionic Liquid -Topological Aspect of Infinitive Networks in a Fragile System- [Invited]
HABASAKI Junko , Ngai K.L.
2nd International Workshop on Challenges of Atomistic Simulations of Glasses   Jun 2015   
Molecular Dynamics Simulations of Silica-Nanocolloid–Water–NaCl Systems –Fractal Dimension Analysis of Aggregates and Gels [Invited]
HABASAKI Junko
EMN Meeting on Droplets   May 2015   

Association Memberships

 
The Japan Society of Calorimetry and Thermal Analysis

Research Grants & Projects

 
Relaxation Phenomina in glasses
Mixed alkali Effect in Silicate glasses