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Publications (9)

cond-mat.supr-con2018

Growth and characterization of HgBa2CaCu2O6+d and HgBa2Ca2Cu3O8+d crystals

Lichen Wang, Xiangpeng Luo, Jiarui Li +8

We report the successful synthesis of single-crystalline cuprate superconductors HgBa $_{2}$ CaCu $_{2}$ O $_{6 + I^´}$ and HgBa $_{2}$ Ca $_{2}$ Cu $_{3}$ O $_{8 + I^´}$ . These compounds are well-k…

cond-mat.str-el2013

(La1-xBax)(Zn1-xMnx)AsO: A Two Dimensional "1111" Diluted Magnetic Semiconductor in Bulk Form

Cui Ding, Huiyuan Man, Chuan Qin +22

We report the synthesis and characterization of a bulk diluted magnetic semiconductor (La1-xBax)(Zn1-xMnx)AsO (0 <= x <= 0.2) with a layered crystal structure identical to that of…

cond-mat.supr-con2020

Post-growth annealing effects on charge and spin excitations in Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4}$

Kenji Ishii, Shun Asano, Masumi Ashida +6

We report a Cu K- and L $_{3}$ -edge resonant inelastic x-ray scattering study of charge and spin excitations of bulk Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4}$ , with focus on post-growth annealing effec…

cond-mat.supr-con2018

Universal superconducting precursor in perovskite-based oxides

Damjan Pelc, Zachary Anderson, Biqiong Yu +2

A pivotal challenge posed by unconventional superconductors is to unravel how superconductivity emerges upon cooling from the generally complex normal state. Some of the most promi…

cond-mat.supr-con2019

Doping-dependent phonon anomaly and charge-order phenomena in the HgBa $_{2}$ CuO $_{4 + I^´}$ and HgBa $_{2}$ CaCu $_{2}$ O $_{6 + I^´}$

Lichen Wang, Biqiong Yu, Ran Jing +14

Using resonant X-ray diffraction and Raman spectroscopy, we study charge correlations and lattice dynamics in two model cuprates, HgBa $_{2}$ CuO $_{4 + I^´}$ and HgBa $_{2}$ CaCu $_{2}$ O$_…

cond-mat.supr-con2025

Cu NMR study of lightly doped La $_{2 - x}$ Sr $_{x}$ CuO $_{4}$

Marija VuÄkoviÄ, Ana Najev, Biqiong Yu +6

We present a single crystal Cu NMR study of the cuprate superconductor La $_{2 - x}$ Sr $_{x}$ CuO $_{4}$ with hole doping levels between $x = 2$ \% and $8$ \%. Measurements with short spin ech…

cond-mat.supr-con2024

Nanoscale structural correlations in a model cuprate superconductor

Zachary W. Anderson, Marin SpaiÄ, Nikolaos Biniskos +10

Understanding the extent and role of inhomogeneity is a pivotal challenge in the physics of cuprate superconductors. While it is known that structural and electronic inhomogeneity…

cond-mat.mtrl-sci2019

Soft X-ray Absorption Spectroscopy and Magnetic Circular Dichroism as Operando Probes of Complex Oxide Electrolyte Gate Transistors

Biqiong Yu, Guichuan Yu, Jeff Walter +5

Electrolyte-based transistors utilizing ionic liquids/gels have been highly successful in the study of charge-density-controlled phenomena, particularly in oxides. Experimental pro…

cond-mat.str-el2013

The synthesis and characterization of 1111-type diluted magnetic semiconductors (La1-xSrx)(Zn1-xTMx)AsO (TM = Mn, Fe, Co)

Jicai Lu, Huiyuan Man, Cui Ding +9

The doping effect of Sr and transition metals Mn, Fe, Co into the direct-gap semiconductor LaZnAsO has been investigated. Our results indicate that the single phase ZrCuSiAs-type t…