Polymorphs with remarkably distinct physical and/or chemical properties

BK Saha, NK Nath, R Thakuria - The Chemical Record, 2023 - Wiley Online Library
Polymorphism in crystals is known since 1822 and the credit goes to Mitscherlich who
realized the existence of different crystal structures of the same compound while working …

Engineering colossal anisotropic thermal expansion into organic materials through dimensionality control

N Juneja, DK Unruh, KM Hutchins - Chemistry of Materials, 2023 - ACS Publications
Thermal expansion (TE) behavior in solid-state materials is influenced by both molecular
and supramolecular structure. For solid-state materials assembled through covalent bonds …

A complete description of thermodynamic stabilities of molecular crystals

V Kapil, EA Engel - Proceedings of the National Academy of …, 2022 - National Acad Sciences
Predictions of relative stabilities of (competing) molecular crystals are of great technological
relevance, most notably for the pharmaceutical industry. However, they present a long …

Fundamentally intertwined: anharmonic intermolecular interactions dictate both thermal expansion and terahertz lattice dynamics in molecular crystals

N Juneja, JL Hastings, WB Stoll… - Chemical …, 2024 - pubs.rsc.org
We investigate the anisotropic thermal expansion behavior of a co-crystalline system
composed of 4, 4′-azopyridine and trimesic acid (TMA-azo). Using variable-temperature …

Photothermally induced natural vibration for versatile and high-speed actuation of crystals

Y Hagiwara, S Hasebe, H Fujisawa, J Morikawa… - Nature …, 2023 - nature.com
The flourishing field of soft robotics requires versatile actuation methodology. Natural
vibration is a physical phenomenon that can occur in any material. Here, we report high …

Highly Luminescent Earth‐Benign Organometallic Manganese Halide Crystals with Ultrahigh Thermal Stability of Emission from 4 to 623 K

GH Tan, YN Chen, YT Chuang, HC Lin, CA Hsieh… - Small, 2023 - Wiley Online Library
The phosphor‐converted light‐emitting diode (PC‐LED) has become an indispensable solid‐
state lighting and display technologies in the modern society. Nevertheless, the use of …

Broad‐Wavelength Light‐Fueled Organic Crystal Oscillators Driven by Multimodal Photothermally Resonated Natural Vibration

S Hasebe, Y Hagiwara, T Goto, T Ryu… - Advanced Functional …, 2024 - Wiley Online Library
Photomechanical crystals have applications in light‐fueled actuators and soft robots. Herein,
light‐responsive, versatile, anthraquinone dye crystal oscillators actuated via natural …

Negative to positive axial thermal expansion switching of an organic crystal: contribution to multistep photoactuation

S Hasebe, Y Hagiwara, T Ueno, T Asahi… - Chemical Science, 2024 - pubs.rsc.org
Materials displaying negative thermal expansion (NTE), in contrast to typical materials with
positive thermal expansion (PTE), are attractive for both fundamental research and practical …

Combining Molecular Motion with a 2, 6-Diiodo BODIPY to Engineer Highly Anisotropic Thermomechanical Properties in Organic Binary and Ternary Molecular …

B Tahmouresilerd, J Qiu, GC George III… - Crystal Growth & …, 2024 - ACS Publications
Designing materials to have three unique but predictable thermal expansion axes
represents a major challenge. Inorganic materials and hybrid frameworks tend to crystallize …

Tracing shape memory effect and elastic bending in a conformationally flexible organic salt

A Hasija, S Ranjan, S Guerin… - Journal of Materials …, 2022 - pubs.rsc.org
Molecular crystals which respond to multiple external stimuli are of great research interest as
next-generation energy transducing smart materials. This article introduces a polymorphic …