Butiran Kerjaya

Chemist or Materials Scientist

Chemists and materials scientists study substances at the atomic and molecular levels and the ways in which substances react with each other. They use their knowledge to develop new and improved products and to test the quality of manufactured goods.

Chemists and materials scientists typically do the following:
  • Plan and carry out complex research projects, such as the development of new products and testing methods
  • Direct technicians and other workers in testing and  analyzing components and the physical properties of materials
  • Instruct scientists and technicians on proper chemical processing and testing procedures, such as ingredients, mixing times, and operating temperatures
  • Prepare solutions, compounds, and reagents used in laboratory procedures
  • Analyze substances to determine their composition and concentration of elements 
  • Conduct tests on materials and other substances, to ensure that safety and quality standards are met
  • Write technical reports that detail methods and findings
  • Present research findings to scientists, engineers, and other colleagues

Many chemists and materials scientists work in basic and applied research. In basic research, chemists investigate the properties, composition, and structure of matter. They also experiment with combinations of elements and the ways in which they interact. In applied research, chemists investigate possible new products and ways to improve existing ones. Chemistry research has led to the discovery and development of new and improved drugs, plastics, cleaners, and thousands of other products.

Materials scientists study the structures and chemical properties of various materials, to develop new products or enhance existing ones. They determine ways to strengthen or combine materials or develop new materials for use in a variety of products. Applications of materials science include inventing or improving superconducting materials, ceramics, and metallic alloys.

Chemists and materials scientists use computers and a wide variety of sophisticated laboratory instrumentation for modeling, simulation, and experimental analysis. For example, some chemists use three-dimensional (3D) computer modeling software to study the structure and other properties of complex molecules. 

Most chemists and materials scientists work as part of a team. An increasing number of scientific research projects involve multiple disciplines, and it is common for chemists and materials scientists to work on teams with other scientists, such as biologists and physicists, computer specialists, and engineers. For example, in pharmaceutical research, chemists may work with biologists to develop new drugs and with engineers to design ways to mass produce the new drugs. For more information, see the profiles on biochemists and biophysicists, microbiologists, zoologists and wildlife biologists, physicists and astronomers, computer and information technology occupations, and engineers.

Chemists often specialize in a particular branch of the field. The following are examples of some types of chemists:

Analytical chemists determine the structure, composition, and nature of substances, by examining and identifying their various elements or compounds. They also study the relationships and interactions between the parts of compounds. Some analytical chemists specialize in developing new methods of analysis and new techniques for carrying out their work. Their research has a wide range of applications, including food safety, pharmaceuticals, and pollution control.

Inorganic chemists study the structure, properties, and reactions of molecules that do not contain carbon, such as metals. They work to understand the behavior and the characteristics of inorganic substances. Inorganic chemists figure out how these materials can be modified, separated, or used in products, such as ceramics and superconductors.  

Medicinal chemists research and develop chemical compounds that can be used as pharmaceutical drugs. They work on teams with other scientists and engineers to create and test new drug products. They also help develop new and improved manufacturing processes to produce new drugs on a large scale effectively.

Organic chemists study the structure, properties, and reactions of molecules that contain carbon. They also design and make new organic substances that have unique properties and applications. These compounds have, in turn, been used to develop many commercial products, such as pharmaceutical drugs and plastics.

Physical chemists study the fundamental characteristics of how matter behaves on a molecular and atomic level and how chemical reactions occur. Based on their analyses, physical chemists may develop new theories, such as how complex structures are formed. Physical chemists often work closely with materials scientists, to research and develop potential uses for new materials.

Theoretical chemists investigate theoretical methods that can predict the outcomes of chemical experiments. Theoretical chemistry encompasses a variety of specializations itself, though most specializations incorporate advanced computation and programming. Some examples of theoretical chemists are computational chemists, mathematical chemists, and chemical informaticians.

Materials scientists tend to specialize by the material they work with most often. A few examples of materials in which these scientists specialize are ceramics, glass, semiconductors, and composite materials.

A growing numbers of chemists work in interdisciplinary fields, such as biochemistry and geochemistry. 
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Chemists and materials scientists typically have an interest in the Doer, Thinker and Organiser interest areas, according to the Holland Code framework. The Doer interest area indicates a focus on working with tools and machines, and making or fixing practical things. The Thinker interest area indicates a focus on researching, investigating, and increasing the understanding of natural laws. The Organiser interest area indicates a focus on working with information and processes to keep things arranged in orderly systems. 

If you are not sure whether you have a Doer or Thinker or Organiser interest which might fit with a career as a chemist and materials scientist, you can take a career test to measure your interests.

Chemists and materials scientists should also possess the following specific qualities:

Analytical skills. Chemists and materials scientists carry out scientific experiments and studies. They must be precise and accurate in their analyses, because errors could invalidate their research.

Communication skills. Chemists and materials scientists need to communicate with team members and other scientists. They must be able to read and write technical reports and give presentations.

Critical-thinking skills. Chemists and materials scientists carefully evaluate their own work and the work of others. They must determine if results and conclusions are based on sound science.

Mathematical skills. Chemists and materials scientists regularly use complex mathematical equations and formulas, and they need a broad understanding of mathematics, including calculus, algebra, and statistics.

Organizational skills. Chemists and materials scientists need to carefully document processes to conform to regulations and industry procedures. Disorganization in the workplace can lead to legal problems, damage to equipment, and chemical spills.

Problem-solving skills. Chemists and materials scientists research and develop new and improved chemical products, processes, and materials. This work requires a great deal of trial and error on the part of chemists and materials scientists before a unique solution is found.
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