New-generation ferroelectric AlScN materials

Y Zhang, Q Zhu, B Tian, C Duan - Nano-Micro Letters, 2024 - Springer
Ferroelectrics have great potential in the field of nonvolatile memory due to programmable
polarization states by external electric field in nonvolatile manner. However, complementary …

Materials for high-temperature digital electronics

DK Pradhan, DC Moore, AM Francis… - Nature Reviews …, 2024 - nature.com
Silicon microelectronics, consisting of complementary metal–oxide–semiconductor
technology, have changed nearly all aspects of human life from communication to …

Role of Defects in the Breakdown Phenomenon of Al1–xScxN: From Ferroelectric to Filamentary Resistive Switching

R Guido, T Mikolajick, U Schroeder, PD Lomenzo - Nano Letters, 2023 - ACS Publications
Aluminum scandium nitride (Al1–x Sc x N), with its large remanent polarization, is an
attractive material for high-density ferroelectric random-access memories. However, the …

A scalable ferroelectric non-volatile memory operating at 600° C

DK Pradhan, DC Moore, G Kim, Y He… - Nature …, 2024 - nature.com
Non-volatile memory devices that can operate reliably at high temperature are required for
the development of extreme environment electronics. However, creating such devices …

CMOS-compatible, AlScN-based integrated electro-optic phase shifter

V Yoshioka, J Jin, H Zhou, Z Tang, RH Olsson III… - …, 2024 - degruyter.com
Commercial production of integrated photonic devices is limited by scalability of desirable
material platforms. We explore a relatively new photonic material, AlScN, for its use in …

Millimeter wave thin-film bulk acoustic resonator in sputtered scandium aluminum nitride

S Cho, O Barrera, P Simeoni… - Journal of …, 2023 - ieeexplore.ieee.org
This work reports a millimeter wave (mmWave) thin-film bulk acoustic resonator (FBAR) in
sputtered scandium aluminum nitride (ScAlN). This paper identifies challenges of frequency …

Emerging materials and design principles for wurtzite-type ferroelectrics

CW Lee, NU Din, K Yazawa, GL Brennecka… - Matter, 2024 - cell.com
Low-energy compute-in-memory architectures promise to reduce the energy demand for
computation and data storage. Wurtzite-type ferroelectrics are promising options for both …

Fabrication of Ultrathin Ferroelectric Al0.7Sc0.3N Films under Complementary‐Metal‐Oxide‐Semiconductor Compatible Conditions by using HfN0.4 Electrode

SK Ryoo, KD Kim, W Choi, P Sriboriboon… - Advanced …, 2024 - Wiley Online Library
Aluminum scandium nitride (AlScN) has emerged as a promising candidate for next‐
generation ferroelectric memories, offering a much higher remanent charge density than …

Metal-ferroelectric AlScN-semiconductor memory devices on SiC wafers

Y He, S Chen, MMA Fiagbenu, C Leblanc… - Applied Physics …, 2023 - pubs.aip.org
This Letter presents oriented growth and switching of thin (∼ 30 nm) co-sputtered
ferroelectric (FE) aluminum scandium nitride (AlScN) films directly on degenerately doped …

Single crystal ferroelectric AlScN nanowires

X Zhang, W Xu, WJ Meng, AC Meng - CrystEngComm, 2024 - pubs.rsc.org
Despite the considerable potential and significant promise of aluminum scandium nitride
(AlScN) ferroelectric materials for neuromorphic computing applications, challenges related …