Magnetic tunnel junction device with highest tunnel magnetoresistance developed through precision interfacial control

https://phys.org/news/2023-05-magnetic-tunnel-junction-device-highest.html

"tunnel magnetoresistance ratio (TMR) 631% room temperature...  magnetic tunnel junction (MTJ) peak-to-valley (PV) difference of 141%... increase sensitivity of magnetic sensors and capacity of magnetoresistive random access memory (MRAM)... ultrasensitive magnetic sensors for medical use and very large capacity MRAM"