Fei Yen

collaborators

Showing cond-mat.mtrl-sciShow all

6 papers · 1 filter

cond-mat.mtrl-sci2025

Determining Linker Ratios of Mixed Metal-Organic Frameworks via Magnetic Susceptibility Measurements

Na Du, Miao Miao Zhao, Xintian Wang +6

Partial replacement of the organic linkers of metal-organic frameworks (MOFs) often optimizes their functionalities, however, accurate characterization of their molar ratios in man…

cond-mat.mtrl-sci2025

Colossal Dielectric Response and Electric Polarization in Lithium Nitrate

Na Du, Yan Zhao, Enting Xu +3

Lithium nitrate LiNO $_{3}$ is identified to possess a dielectric constant $I^µ$ ' larger than 6x10 $^{6}$ at 1 kHz in powder samples above the critical temperature $T$ $_{W}$ = 306 K. For si…

cond-mat.mtrl-sci2025

Magnetism based on nitrate-nitrate interactions: The cases of LiNO $_{3}$ , K $_{0.5}$ Rb $_{0.5}$ NO $_{3}$ , Ca(NO $_{3}$ ) $_{2}$ and C(NH $_{2}$ ) $_{3}$ NO $_{3}$

Na Du, Xintian Wang, Ruo Tong Wang +5

Long-range magnetic ordering of the orbital motion of oxygen atoms within NO $_{3}$ $^{-}$ cations is identified from experimental measurements of the magnetic susceptibility $I ¨ $ ( $T$ ) i…

cond-mat.mtrl-sci2024

Inducing ferroelectricity in NH $_{4}$ I and NH $_{4}$ Br via partial replacement of protons by deuterons

Miao Miao Zhao, Lei Meng, Yi Yang Xu +2

While all of the polymorphs of NH $_{4}$ I and NH $_{4}$ Br are non-polar, a reversible electric polarization is established in the ordered $I^^{3}$ phases of (NH $_{4}$ ) $_{0.73}$ (ND $_{4}$ )$_{0.27}…

cond-mat.mtrl-sci2024

Ferroelectricity Driven by Orbital Resonance of Protons in CH $_{3}$ NH $_{3}$ Cl and CH $_{3}$ NH $_{3}$ Br

Chu Xin Peng, Lei Meng, Yi Yang Xu +4

The $I^^{2}$ and $I^^{3}$ phases of methylammonium chloride CH $_{3}$ NH $_{3}$ Cl and methylammonium bromide CH $_{3}$ NH $_{3}$ Br are identified to be ferroelectric $v ia$ pyroelectric current and diele…

cond-mat.mtrl-sci2024

Determining the chemical composition of diamagnetic mixed solids via measurements of the magnetic susceptibility

Miao Miao Zhao, Yang Yang, Na Du +3

Mixed solid compounds are employed in a vast array of applications so an accurate determination of their chemical compositions is of crucial importance. All current characterizatio…

Determining Linker Ratios of Mixed Metal-Organic Frameworks via Magnetic Susceptibility Measurements

Colossal Dielectric Response and Electric Polarization in Lithium Nitrate

Magnetism based on nitrate-nitrate interactions: The cases of LiNO3​, K0.5​Rb0.5​NO3​, Ca(NO3​)2​ and C(NH2​)3​NO3​

Inducing ferroelectricity in NH4​I and NH4​Br via partial replacement of protons by deuterons

Ferroelectricity Driven by Orbital Resonance of Protons in CH3​NH3​Cl and CH3​NH3​Br

Determining the chemical composition of diamagnetic mixed solids via measurements of the magnetic susceptibility

Magnetism based on nitrate-nitrate interactions: The cases of LiNO $_{3}$ , K $_{0.5}$ Rb $_{0.5}$ NO $_{3}$ , Ca(NO $_{3}$ ) $_{2}$ and C(NH $_{2}$ ) $_{3}$ NO $_{3}$

Inducing ferroelectricity in NH $_{4}$ I and NH $_{4}$ Br via partial replacement of protons by deuterons

Ferroelectricity Driven by Orbital Resonance of Protons in CH $_{3}$ NH $_{3}$ Cl and CH $_{3}$ NH $_{3}$ Br