Accelerating discovery and design of high-performance solid-state electrolytes: a machine learning approach.

Solid-state batteries (SSBs) have the potential to fulfil the increasing global energy requirement, outperforming their liquid electrolyte counterparts. However, the progress in SSB development is hindered by the conventional approach of screening solid-state electrolytes (SSEs), which relies on human knowledge, introducing biases and requiring a time-consuming, resource-intensive trial-and-error process. As a result, a wide range of promising Li-containing structures remain unexplored.

Temperature induced phase transformation in Co.

Temperature dependent phase transformation behavior in cobalt from hexagonal close-packed (hcp) to face centered cubic (fcc) has been found to be contradictory to that reported earlier. It is found that hcp phase stabilizes at both low and high temperature ([Formula: see text]873 K) while fcc phase is stabilized at [Formula: see text]500 K. At 298 K, hcp Co has been found to be predominant ([Formula: see text]70%) where hcp magnetic phase is [Formula: see text]60%.

Probing the solute-drag effect and its role in stabilizing the orthorhombic phase in bulk La-doped HfO by X-ray and gamma ray spectroscopy.

The recent observation of ferroelectricity in ultra thin films of hafnium oxide (HfO2) has been attributed to the orthorhombic (o) phase of HfO2 with space group Pca21. Although this oxide is polymorphic in nature, this polar o-phase is known to be stabilized in the doped thin film oxide. The objective of the present experiment is to stabilize the o-phases in La doped bulk polycrystalline HfO2 and investigate their evolution with the doping concentration through Time Differential Perturbed Angular Correlation (TDPAC), X-ray Absorption Near Edge Structure (XANES) and Extended X-ray Absorption Fine Structure (EXAFS) measurements.

Martensitic phase transformation in TiNi.

From temperature dependent perturbed angular correlation (PAC) measurements (77-873 K) in equiatomic TiNi intermetallic alloy, martensitic phase transformations have been observed. Three frequency components corresponding to three different phases of TiNi have been found in the temperature range 298-873 K. The results of quadrupole frequency and asymmetry parameters at room temperature are found to be: ω = 14(1) Mrad/s, η = 0 (33%), ω = 40.

Relapse prevention: Using sound to reduce the probability of recidivism and suffering following detoxification.

The truth of the adage, "An ounce of prevention is worth a pound of cure", is exemplified by the opioid crisis now facing the world. While the best way to rid society of drug addiction is to prevent it from occurring in the first place, this is highly unlikely in the near future given the many ways that individuals can be first exposed to some potentially addicting substance. When an addiction is established, the first treatment for it is detoxification, but the insidious nature of addiction is its propensity to relapse.

Male contraception: Prospects for sound and ultrasound.

The worldwide human population growth rate, which doubled during the 20th century, as well as the increasing fertility rate, have contributed to an increasing and evolving emphasis on contraception. With respect to female contraceptive methods, many have been developed, marketed, and are widely available. In contrast, male contraception has been limited to condoms, which pose logistical challenges, and vasectomy, which is largely irreversible.

High frequency tympanometry findings in neonates: does it depend on head position?

Objective: The purpose of this study was to investigate the effect of head positions on high frequency tympanometry (HFT) results obtained from neonates.

Design: A cross-sectional study to compare HFT results obtained from neonates in two head positions (face sideways and face up).

Study Sample: One hundred and fifty-seven neonates (80 female, 77 male; mean age = 48.