Organic semiconductors have attracted a lot of attention since the discovery of highly doped
conductive polymers, due to the potential application in field-effect transistors (OFETs), light …

The development of molecular materials whose physical properties can be controlled by
external stimuli—such as light, electric field, temperature, and pressure—has recently …

Negative thermal expansion (NTE), referring to the lattice contraction upon heating, has
been an attractive topic of solid-state chemistry and functional materials. The response of a …

Materials with negative Poisson's ratio attract considerable attention due to their underlying
intriguing physical properties and numerous promising applications, particularly in stringent …

The van-der-Waals material CrSBr stands out as a promising two-dimensional magnet.
Here, we report on its detailed magnetic and structural characteristics. We evidence that it …

Thermal insulation under extreme conditions requires materials that can withstand sharp
thermal shocks as well as extended high-temperature exposure. In this regard, a new …

Negative thermal expansion (NTE) is the phenomenon in which materials shrink rather than
expand on heating. Although NTE had been previously observed in a few simple materials …

Negative thermal expansion (NTE) alloys possess great practical merit as thermal offsets for
positive thermal expansion due to its metallic properties. However, achieving a large NTE …

Negative thermal expansion materials are important and desirable in science and
engineering applications. However, natural materials with isotropic negative thermal …

Figure 1. Microstructural details of ultrananocrystalline Mn 3Cu 0.5Ge 0.5N. a) Overview of
morphology of nanograins. b) Electron diffraction pattern with indexing. c) High-resolution …