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Design007-Aug2019

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AUGUST 2019 I DESIGN007 MAGAZINE 47 will be starting a Ph.D. program in materials sci- ence and engineering in the fall. Shaughnessy: You'll have two bachelor's degrees and a Ph.D. Campbell: Yes, if I survive (laughs). Shaughnessy: Wow. Good for you. You'd be a good one to speak to the girls. Campbell: I hope so. I have a lot of nieces and nephews, and I try to encourage them. We do sci- ence projects together. As I said, it's hard to get in the school system sometimes to get an after-hours class. If people can find a way or have a connec- tion to do that, that's a good outreach as well. Shaughnessy: Do you have any advice for any young women, or men, who are considering a STEM career? Campbell: If there's a career day at school, ask about it and pursue it. A lot of times, a kid is not going to come to an adult and say, "We're doing this." Be the initiator. Is there a platform where I can speak? Or if you know of local chapters for either youth groups or the Girl Scouts of the USA or the Boy Scouts of America, they usually have an annual workshop every year. Reach out to the local chapter. I would guess that they would be enthusiastic to have someone speak. Also, if you have children in your own family, speak to them, especially the younger girls. I try to share engineering concepts. My nephew once said, "I want to go to the Moon." I responded, "Your aunt works on spaceships." Further, there are some toys out there that are geared towards engineering for girls and boys. They're fun and teach basic engineering concepts. There are also science museums and other organi- zations with programs and summer camps geared towards engineering. Those are all good places to start. Look for little ways to be an advocate. Shaughnessy: Thank you for your time today. This has been great. Campbell: Thank you. DESIGN007 Novel Process for Structuring Quantum Materials Implementing quantum materials in comput- er chips provides access to fundamentally new technologies. In order to build powerful and fault- resistant quantum computers, it is possible, for example, to combine topological insulators with superconductors. This process step brings with it some challenges that have now been solved by re - searchers from Jülich. Even the ancient Inca used knots in cords to en- code and store information in their ancient writ- ing "Quipu." The advantage: unlike ink on a sheet of paper, the information stored in the knot is ro- bust against external destructive influences, such as water. Even novel quantum computers should be able to store information robustly in the form of nodes. For this, however, no cord is knotted, but so-called quasi-particles in space and time. What is needed to build such a quantum node machine are new materials called quantum mate - rials. Experts speak of topological insulators and superconductors. The so-called "Jülich process" makes it possible to combine superconductors and topological insulators in ultrahigh vacuum to pro- duce complex components. Initial measurements in their samples indicate ev- idence of majorana states. "Majoranas" are exact- ly the promising quasiparticles to be knotted in the shown networks of topological insulators and super- conductors to enable robust quantum computing. In a next step, the researchers of the Peter Grünberg In- stitute, together with their colleagues from Aachen, the Netherlands and China, will provide their net- works with readout and control electronics in order to make the quantum materials available. (Source: Forschungszentrum Jülich)

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