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International Students and Current Students

International Student

Q1. Please tell us about your current research at the Graduate School.
Q2. What is your career goal?
Q3. Message to prospective students of the Graduate School, Niigata University.

Master’s Program
Muhammad Nabil bin Md Sari
Advanced Materials Science and Technology
Applied Chemistry and Chemical Engineering

A1. With the industrialization and urbanization of developing countries and the increasing demands of mankind, the consumption of heavy metal elements has been growing enormously. Phytoremediation involves contaminant accumulation in the crop biomass during plant growth. Harvesting these plants creates highly contaminated bio-waste, which could easily become a secondary pollution source if mishandled. Thus, it is important to investigate the disposal method of plants after phytoremediation. Generally, plants containing heavy metals have been subjected to incineration disposal. In my study, extraction experiments of Cd and Zn from plants after phytoremediation were conducted by using different reagents (acid or base) to develop the effective utilization of the plants and the reutilization of treatment waste liquid for a preliminary approach for metal recovery from plant tissues.

A2. My current short-term goal is to develop and use my engineering knowledge and communications skills in the company in Japan. I will prepare for this goal by taking on leadership positions in team projects, and by developing my professional career through attending leadership conferences that being held in Niigata University annually.

A3. Niigata University provides a conducive environment for students to study and prepare for working in the industries. Spending my time here in Niigata University has broadened my view yet taught me about survival skills needed in the future. It may take some time to achieve your goals, but eventually, you will. So be patient and work hard for your dreams, and they will come to you.

Doctoral Program
WANG Yuxuan
Electrical and Information Engineering
Human Sciences and Assistive Technology

A1. I am conducting research to clarify the efficiency of eye movements in visual search. Visual search is the process of visually locating the only specific target among multiple groups of letters. It is known as Hick's law that the search time does not increase significantly as the number of letters increases. In other words, visual search is efficient. My research is to model invisible virtual network on which the gazing point moves from visual search experiment, and to elucidate the eye movement mechanism that makes visual search efficient using the virtual network. The efficiency of visual search is explained in terms of virtual network features.

A2. In the future, I would like to become a researcher who can discuss with researchers in different fields. I would like to discuss a wide range of issues with people from different languages and cultures during my study abroad and acquire advanced language and communication skills as well as a global vision. I would also like to use the knowledge and experience I have acquired through my research activities to promote academic exchange between universities and research institutes in Japan and China and contribute to building sustainable collaborative relationships.

A3. Niigata University has many experienced teachers, a comfortable learning environment and beautiful natural scenery. International students from all over the world come to Niigata University to study and interact with different cultures. In the graduate school, you can learn advanced techniques in a wide range of research fields. If you want to make yourself a better person in the future, you will surely be an enjoyable and fulfilling time by studying at Graduate School of Niigata University.

Current Students

Q1. Please tell us about your current research at the Graduate School.
Q2. What is your career goal?

Akiho SUMIYOSHIYA Doctral Program
Akiho SUMIYOSHIYA
Advanced Material Science and Technology
Material Science and Technology

A1. I study about the mechanism of phenomena, such as magnetism and superconductivity, from theoretical point of view. Thermodynamic, electric, and magnetic properties of material are primarily determined by the low-energy electric states. Starting point of my research is to construct an electronic model of the target material. For the actual study, I use quantum mechanics and statistical physics to derive the equations, that describe the phenomenon of problem on the constructed model of the material. Then we calculate numerically various physical quantities by solving the equations.
 My present study is about the mechanism of superconductivity around special magnetic ordered phase. I try to explain unsolved phenomena observed by experiments, and to propose novel concept of physical property.

A2. I would like to be a researcher who is relied on as a collaborator because of the achievement. To realize my goal, I plan to expand my knowledge focusing on physics and try to carry out the research from various theoretical viewpoints.
 In addition, I wish my research results and suggestions contribute to discover a novel property of materials.

SATO WaheiDoctoral Program
SATO Wahei
Environmental Science and Technology
Natural Disaster and Environmental Science

A1. I study about the formation cause of river dune along the past Tone river, Saitama Prefecture, Japan. There are other river dune except the past Tone river in Japan.
 But, river dune of the past Tone river has a large-scale against other river dune. Why only the past Tone river dune has a large-scale? The purpose of my study clarify this question. I believe that the volcanic events of back-area, and the movement of Kanto basin influences the formation cause of river dune. I am retired person and student with a full-time job. Doctoral program. of Niigata University recomemends student with a full-time Job.

A2. My career goal is the generalization of river dune formation cause in Japan.

OTSUKA ShogoMaster’s Program
OTSUKA Shogo
Fundamental Sciences
Chemistry

A1. My graduate research is to develop measurement equipment for elucidation of the causes of efficiency loss in organic solar cells. In recent years, clean power generation methods have been sought from the viewpoint of environmental issues, among which photovoltaics is one of the most promising methods. Among various types of solar cells, inorganic solar cells using silicon are the current mainstream. Organic solar cells consisting of carbon-containing compounds are expected to become the next generation solar cells because they are cheap and flexible. However, they still have low efficiency in converting sunlight into electricity, and improvements are needed. I am currently investigating the behavior of electrons in organic solar cells by using a device to measure the response current to an applied alternating voltage.

A2. I would like to work in a profession that is related to semiconductors, which I am currently also using for research.
 I entered Niigata University as a transfer student from a technical college. Although the content of my research changed before and after transferring, I have been conducting research related to semiconductors. I would like to contribute to society in an occupation related to semiconductors, where I can make use of the knowledge and experience I have gained through my research carrier.