Growth of big single crystals of a new magnetic superconducting double perovskite Ba2PrRu1–xCuxO6

2006 ◽  
Vol 41 (2) ◽  
pp. 123-129 ◽  
Author(s):  
S. M. Rao ◽  
M. K. Wu ◽  
J. K. Srivastava ◽  
B. H. Mok ◽  
T. W. Chou ◽  
...  
Keyword(s):  
Single Crystals ◽  
Double Perovskite

scholarly journals Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Nara Lee ◽  
Jong Hyuk Kim ◽  
Dong Gun Oh ◽  
Hyun Jun Shin ◽  
Hwan Young Choi ◽  
...  
Keyword(s):  
Material Processing ◽  
Magnetic Properties ◽  
Single Crystals ◽  
Magnetic State ◽  
Hysteresis Loops ◽  
Double Perovskite ◽  
Processing Parameters ◽  
Perovskite Oxides ◽  
Efficient Approach ◽  
Isothermal Magnetization

AbstractMagnetic properties can be manipulated to enhance certain functionalities by tuning different material processing parameters. Here, we present the controllable magnetization steps of hysteresis loops in double-perovskite single crystals of Eu2CoMnO6. Ferromagnetic order emerges below TC ≈ 122 K along the crystallographic c axis. The difficulty in altering Co2+ and Mn4+ ions naturally induces additional antiferromagnetic clusters in this system. Annealing the crystals in different gas environments modifies the mixed magnetic state, and results in the retardation (after O2-annealing) and bifurcation (after Ar-annealing) of the magnetization steps of isothermal magnetization. This remarkable variation offers an efficient approach for improving the magnetic properties of double-perovskite oxides.

scholarly journals Gamma‐Ray Detection Using Bi‐Poor Cs 2 AgBiBr 6 Double Perovskite Single Crystals (Advanced Optical Materials 8/2021)

2021 ◽  
Vol 9 (8) ◽  
pp. 2170030
Author(s):  
Zheng Zhang ◽  
Da Cao ◽  
Zhengjie Huang ◽  
Evgeny O. Danilov ◽  
Ching‐Chang Chung ◽  
...  
Keyword(s):  
Single Crystals ◽  
Optical Materials ◽  
Gamma Ray ◽  
Double Perovskite

scholarly journals Growth and Characterisation of Layered (BA)2CsAgBiBr7 Double Perovskite Single Crystals for Application in Radiation Sensing

Crystals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1208
Author(s):  
Valeria Murgulov ◽  
Catherine Schweinle ◽  
Michael Daub ◽  
Harald Hillebrecht ◽  
Michael Fiederle ◽  
...  
Keyword(s):  
Single Crystals ◽  
Double Perovskite ◽  
Monoclinic Space Group ◽  
Trap States ◽  
Structure Property ◽  
X Ray ◽  
Structure Property Relationship ◽  
Lattice Planes ◽  
Radiation Sensors ◽  
Lower Resistivity

A recent publication on single crystals of two-dimensional, layered organic–inorganic (BA)2CsAgBiBr7 double perovskite (BA+ = ) suggested the great potential of this semiconductor material in the detection of X-ray radiation. Our powder XRD measurement confirms the crystallinity and purity of all samples that crystallise in the monoclinic space group , while the single crystal XRD measurements reveal the dominant {001} lattice planes. The structure–property relationship is reflected in the lower resistivity values determined from the van der Pauw measurements (1.65–9.16 × 1010 Ωcm) compared to those determined from the IV measurements (4.19 × 1011–2.67 × 1012 Ωcm). The density of trap states and charge-carrier mobilities, which are determined from the IV measurements, are 1.12–1.76 × 1011 cm–3 and 10−5–10−4 cm2V–1s–1, respectively. The X-ray photoresponse measurements indicate that the (BA)2CsAgBiBr7 samples synthesised in this study satisfy the requirements for radiation sensors. Further advances in crystal growth are required to reduce the density of defects and improve the performance of single crystals.

scholarly journals Crystal structures of the triple perovskites Ba2K2Te2O9and Ba2KNaTe2O9, and redetermination of the double perovskite Ba2CaTeO6

2018 ◽  
Vol 74 (7) ◽  
pp. 1006-1009 ◽  
Author(s):  
Matthias Weil
Keyword(s):  
Solid State ◽  
Single Crystals ◽  
Powder Diffraction ◽  
Diffraction Data ◽  
Perovskite Structure ◽  
Double Perovskite ◽  
Powder Diffraction Data ◽  
Space Group ◽  
X Ray ◽  
Group Type

Single crystals of Ba2K2Te2O9(dibarium dipotassium nonaoxidoditellurate), (I), Ba2KNaTe2O9(dibarium potassium sodium nonaoxidoditellurate), (II), and Ba2CaTeO6(dibarium calcium hexaoxidotellurate), (III), were obtained from KNO3/KI or KNO3/NaNO3flux syntheses in platinum crucibles for (I) and (II), or porcelain crucibles for (III). (I) and (II) are isotypic and are members of triple perovskites with general formulaA2[12co]A′[12co]B2[6o]B′[6o]O9. They crystallize in the 6H-BaTiO3structure family in space-group typeP63/mmc, with theA,A′,BandB′ sites being occupied by K, Ba, Te and a second Ba in (I), and in (II) by mixed-occupied (Ba/K), Ba, Te and Na sites, respectively. (III) adopts theA2[12co]B′[6o]B′′[6o]O6double perovskite structure in space-group typeFm-3m, with Ba, Ca and Te located on theA,B′ andB′′sites, respectively. The current refinement of (III) is based on single-crystal X-ray data. It confirms the previous refinement from X-ray powder diffraction data [Fuet al.(2008).J. Solid State Chem.181, 2523–2529], but with higher precision.

scholarly journals Towards radiation detection using Cs2AgBiBr6 double perovskite single crystals

2020 ◽  
Vol 269 ◽  
pp. 127667 ◽  
Author(s):  
Zheng Zhang ◽  
Ching-Chang Chung ◽  
Zhengjie Huang ◽  
Eric Vetter ◽  
Dovletgeldi Seyitliyev ◽  
...  
Keyword(s):  
Single Crystals ◽  
Radiation Detection ◽  
Double Perovskite

scholarly journals Effect of alloying on the dynamics of coherent acoustic phonons in bismuth double perovskite single crystals

2021 ◽  
Vol 29 (5) ◽  
pp. 7948
Author(s):  
Xihong Lin ◽  
Bo Wu ◽  
Weihua Ning ◽  
Minjun Feng ◽  
Qiang Xu ◽  
...  
Keyword(s):  
Single Crystals ◽  
Double Perovskite ◽  
Acoustic Phonons ◽  
Coherent Acoustic Phonons ◽  
Effect Of Alloying

Gamma‐Ray Detection Using Bi‐Poor Cs 2 AgBiBr 6 Double Perovskite Single Crystals

2021 ◽  
Vol 9 (8) ◽  
pp. 2001575
Author(s):  
Zheng Zhang ◽  
Da Cao ◽  
Zhengjie Huang ◽  
Evgeny O. Danilov ◽  
Ching‐Chang Chung ◽  
...  
Keyword(s):  
Single Crystals ◽  
Gamma Ray ◽  
Double Perovskite

All‐Inorganic Rare‐Earth Halide Double Perovskite Single Crystals with Highly Efficient Photoluminescence

2021 ◽  
pp. 2100689
Author(s):  
Ruiling Zhang ◽  
Zhongyi Wang ◽  
Xin Xu ◽  
Xin Mao ◽  
Jin Xiong ◽  
...  
Keyword(s):  
Rare Earth ◽  
Single Crystals ◽  
Double Perovskite ◽  
Highly Efficient

Growth of single crystals of the new double perovskite Ba2HoRu1−xCuxO6 from high temperature solutions

2006 ◽  
Vol 290 (2) ◽  
pp. 490-493 ◽  
Author(s):  
S.M. Rao ◽  
M.K. Wu ◽  
J.K. Srivastava ◽  
Y.H. Liu ◽  
N.Y. Yen ◽  
...  
Keyword(s):  
High Temperature ◽  
Single Crystals ◽  
Double Perovskite
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