Researcher Profile

Ernesto Marinero

Professor of Materials Engineering and Manufacturing; Director Deliberate Innovation for Faculty, Nanotechnology

Contact Information


Ernesto Marinero profile picture


B.Sc., Physics, Heriot-Watt University, Edinburgh, Scotland, UK; Ph.D., Physics, Heriot-Watt University, Edinburgh, Scotland, UK

Research Interests

Ernesto E. Marinero joined Purdue University on February 2013 after a successful industrial career in Silicon Valley. His research experience in both fundamental and applied science has been gained through appointments at the Max Planck Institute in G?ttingen, Germany; Stanford University, California; the IBM Almaden Research Center and the Hitachi San Jose Research Center both in San Jose, California. He is an experimentalist whose expertise includes Materials Science, Synthesis of Nanostructured Materials, Laser Physics and Picosecond Phenomena, Laser-Materials Processing, Magnetism and Nanoscale Sensor Device Physics and Fabrication. In addition to his scientific publications, his granted patent portfolio comprises 58 in the USA, 32 in Asia and 15 in Europe.

Research Impact

The Marinero research group focuses on the synthesis of nanoscale materials, their characterization and device applications for energy storage, spintronics and biosensors. The energy storage effort aims at solving the safety issues of Li-ion batteries while extending their gravimetric capacity and performance. We are developing composite solid-state electrolytes (SSE) comprising conducting polymers embedded with ceramic particles. The goal is to synthesize SSE with ionic conductivities on par liquid electrolytes that upon integration into battery devices employing Li-Air and Li-S pair chemistries will deliver 10-fold capacity increments over current Li-ion batteries. Marinero is a member of the Spintronics Atoms to Systems pre-eminent team and our research effort in this area aims at solving key impediments inherent to current spintronics devices: their slow switching speed and the excessive energy required to switch the magnetization orientation. Solutions based on synthetic ferromagnetic structure are predicted by our computational work to switch in the ps time scale and are being experimentally validated in our group. Another overarching goal of our preeminent spintronics team is the development of probabilistic computing employing stochastic magnets. To this aim we are developing logic and memory building blocks employing superparamagnets with particular emphasis on characterization of their magnetization switching dynamics. Recently a new effort between the Spintronics and the Quantum Photonics pre-eminent teams was initiated that seeks at the confluence of spins and photons to manipulate in the femtosecond time scale the magnetization orientation of nanomagnets through surface plasmons and the amplitude and directionality of plasmonic excitations with transient magnetic fields. Our ultimate goal is the realization of novel on-chip all-optically controlled devices. The biosensor research has two components: a) the development of an ultra-sensitive, room temperature and wearable magnetic sensor array for brain research (cellular and cognitive) based on the detection of magnetic signals associated with brain activity and neuron interactions; b) development of autonomous biosensors (sense, diagnose, remote transmission and self-powered) for the detection and monitoring of diseases transmitted by arthropod vectors such as dengue and Zika.