ArticleslgStudy

astronomy

Lisa M. Porter

Lisa M. Porter is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lisa M. Porter rather than just read about it. In short: Lisa Marie Spellman Porter is an American materials scientist who is a Professor of Materials Science at Carnegie Mellon University. She works on new ways to process and characterise electronic materials.

Lisa M. Porter — main illustration
Lisa M. Porter — illustration

Key takeaways

  • Lisa M. Porter belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Lisa M. Porter to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Lisa M. Porter from memory before moving on to harder problems.

Reference excerpt

Lisa Marie Spellman Porter is an American materials scientist who is a Professor of Materials Science at Carnegie Mellon University. She works on new ways to process and characterise electronic materials. She has previously served as president of the American Vacuum Society.

Early life and education Porter studied materials science at Cornell University. She earned her bachelor's degree in 1989, before moving to North Carolina State University for her graduate studies. She completed her doctorate on silicon carbide in 1993. After earning her doctorate, Porter joined North Carolina State University as a postdoctoral research associate.

Research and career

Porter was appointed to the faculty at Carnegie Mellon University at 1997. Her early research considered the metal contacts for high-power electronic devices and oxide–silicon carbide interfaces. She has since investigated several materials, including transparent conducting films and electrodes as well as organic semiconductors. Her research focusses on the wide bandgap semiconductor gallium oxide. Small amounts of gallium oxide can withstand high electric fields and can be used for highly energy intensive processes. Porter has studied a variety of gallium oxide]polymorphs, including α, β and ε-Ga2O3. In particular, β-Ga2O3 bulk single crystals can be fabricated using low-cost melt-growth methods and can be produced in large wafers. Porter created the spin-out company SenSevere, which creates chemical sensors based on semi-conductors. The sensors can be used to detect hydrogen in harsh environments, including nuclear reactors and chlorine production cells. When these cells are producing chlorine they produce considerable concentrations of hydrogen, and if this is not removed quickly from the system can result in the formation of hydrogen chloride. In nuclear reactors, hydrogen build up can cause explosions when hydrogen interacts with oxygen and water.

Awards and honours 1999 National Science Foundation CAREER Award 2006 Women and Girls Foundation Women Driving the Material World award 2012 Carnegie Mellon University Philbrook Prize in Engineering 2018 North Carolina State University Hall of Fame 2018 President of the American Vacuum Society

Selected publications Porter, Lisa M.; Davis, Robert F. (November 1995). "A critical review of ohmic and rectifying contacts for silicon carbide". Materials Science and Engineering: B. 34 (2–3): 83–105. doi:10.1016/0921-5107(95)01276-1. ISSN 0921-5107. Crofton, John; Mohney, Suzanne (2000-08-31). "Ohmic Contacts to P-Type SiC". Fort Belvoir, VA. doi:10.21236/ada381452. {{cite journal}}: Cite journal requires |journal= (help) Chang, K. C.; Nuhfer, N. T.; Porter, L. M.; Wahab, Q. (2000-10-02). "High-carbon concentrations at the silicon dioxide–silicon carbide interface identified by electron energy loss spectroscopy". Applied Physics Letters. 77 (14): 2186–2188. Bibcode:2000ApPhL..77.2186C. doi:10.1063/1.1314293. ISSN 0003-6951.

References

Illustrations

Lisa M. Porter illustration
Lisa M. Porter: Gallium(III) oxide crystal
Gallium(III) oxide crystal

Worked examples

Example 1 — a first encounter with Lisa M. Porter

Start with the simplest possible case. Write down what Lisa M. Porter claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lisa M. Porter before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lisa M. Porter ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lisa M. Porter

In research
Lisa M. Porter appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Lisa M. Porter in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Lisa M. Porter is common in secondary-school and first-year university syllabi. It links to neighbouring topics Carnegie Mellon University faculty, Cornell University alumni, Living people, so understanding it makes those chapters shorter.
In everyday life
Look for Lisa M. Porter outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Lisa M. Porter” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Lisa M. Porter in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Lisa M. Porter means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Lisa M. Porter out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lisa M. Porter in simple terms?

Lisa Marie Spellman Porter is an American materials scientist who is a Professor of Materials Science at Carnegie Mellon University. She works on new ways to process and characterise electronic materials.

Why does Lisa M. Porter matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lisa M. Porter?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lisa M. Porter.

Tags

  • Carnegie Mellon University faculty
  • Cornell University alumni
  • Living people
  • North Carolina State University alumni
  • Women materials scientists and engineers

Keep exploring