Synthesis and humidity sensing behaviour of Cu-intercalated Bi2Se3 topological insulator single crystals

2019 ◽  
Author(s):  
Alfa Sharma ◽  
Kushal Mazumder ◽  
Yogendra Kumar ◽  
Parasharam M. Shirage
Keyword(s):  
Single Crystals ◽  
Topological Insulator ◽  
Humidity Sensing

Effect of Cu intercalation on humidity sensing properties of Bi2Se3 topological insulator single crystals

2018 ◽  
Vol 20 (44) ◽  
pp. 28257-28266 ◽  
Author(s):  
Kushal Mazumder ◽  
Alfa Sharma ◽  
Yogendra Kumar ◽  
Parasharam M. Shirage
Keyword(s):  
Adsorption Isotherm ◽  
Single Crystals ◽  
Topological Insulator ◽  
Isotherm Models ◽  
Humidity Sensing ◽  
P Adsorption ◽  
Sensing Properties ◽  
Adsorption Isotherm Models ◽  
Humidity Sensing Properties

Adsorption isotherm models confirm the effect of Cu intercalation on humidity sensing properties of topological insulator Bi2Se3 single crystals.

Effect of Sintering Parameter on the Microstructure and Electrical Properties for Bi2Se3 Topological Insulator Crystals

2013 ◽  
Vol 709 ◽  
pp. 172-175
Author(s):  
Li Lv ◽  
Min Zhang ◽  
Li Qin Yang ◽  
Xin Sheng Yang ◽  
Yong Zhao
Keyword(s):  
Electrical Properties ◽  
Cooling Rate ◽  
Single Crystals ◽  
Carrier Concentration ◽  
Topological Insulator ◽  
Layered Structure ◽  
Phase Structure ◽  
Lattice Parameter ◽  
Holding Time ◽  
Type Conductivity

Single crystals of Bi2Se3 topological insulators have been prepared though melt-grown reaction. The sintering parameters of holding time and cooling rate obviously affect the phase structure and electrical properties. The samples with layered structure can be perpendicular cleaved with (0 0 L) axis. All the samples show n-type conductivity caused by the existence of Se vacancies. For low cooling rate, more Se atoms anti-occupy Bi lattice sites, which decreases c-axis lattice parameter and increases carrier concentration n; high cooling rate increases c and decreases n because of less Se atoms occupying Bi lattice sites. Increasing holding time firstly decreases the ratio of Se atoms occupying Bi lattice sites and then increases it, which gives rise to c firstly increase then decrease and n firstly decrease then increase.

scholarly journals Observation of Kondo behavior in the single crystals of Mn-doped Bi2Se3 topological insulator

AIP Advances ◽  
2018 ◽  
Vol 8 (4) ◽  
pp. 045315 ◽  
Author(s):  
R. R. Urkude ◽  
Archna Sagdeo ◽  
R. Rawat ◽  
R. J. Choudhary ◽  
K. Asokan ◽  
...  
Keyword(s):  
Single Crystals ◽  
Topological Insulator ◽  
Mn Doped

Magneto-transport studies on single crystals of Bi1.5Sb0.5Te1.7Se1.3 topological insulator

2019 ◽  
Author(s):  
Abhirami S. ◽  
Shilpam Sharma ◽  
E. P. Amaladass ◽  
Awadhesh Mani
Keyword(s):  
Single Crystals ◽  
Topological Insulator ◽  
Transport Studies

scholarly journals 2D layered transport properties from topological insulator Bi2Se3 single crystals and micro flakes

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Olivio Chiatti ◽  
Christian Riha ◽  
Dominic Lawrenz ◽  
Marco Busch ◽  
Srujana Dusari ◽  
...  
Keyword(s):  
Transport Properties ◽  
Single Crystals ◽  
Topological Insulator

MAGNETORESISTANCE IN TOPOLOGICAL INSULATOR MnxBi2-xSe3 CRYSTALS

2013 ◽  
Vol 27 (15) ◽  
pp. 1362036 ◽  
Author(s):  
LI LV ◽  
MIN ZHANG ◽  
ZHANTAO WEI ◽  
LINQIN YANG ◽  
XISHENG YANG ◽  
...  
Keyword(s):  
Magnetic Fields ◽  
Temperature Dependence ◽  
Transport Properties ◽  
Single Crystals ◽  
Topological Insulator ◽  
Magnetic Impurities ◽  
High Concentration ◽  
Similar Temperature Dependence ◽  
Similar Temperature ◽  
Mr Effect

The transport properties of magnetic-atoms doped Mn x Bi 2-x Se 3 single crystals are studied. The samples exhibit approximately similar temperature dependence of resistivity behavior under various applied magnetic fields from zero to 9 T. Magnetoresistance (MR) is modified significantly by high concentration of Mn dopants. The scatterings mechanism between the magnetic impurities and electrons plays an important role in both transport properties and MR effect.

NMR studies of single crystals of the topological insulator Bi2Te3 at low temperatures

2017 ◽  
Vol 59 (5) ◽  
pp. 855-859 ◽  
Author(s):  
A. O. Antonenko ◽  
E. V. Charnaya ◽  
D. Yu. Nefedov ◽  
D. Yu. Podorozhkin ◽  
A. V. Uskov ◽  
...  
Keyword(s):  
Single Crystals ◽  
Topological Insulator ◽  
Low Temperatures ◽  
Nmr Studies

Shubnikov–de Haas oscillations in bulk ZrTe5 single crystals: Evidence for a weak topological insulator

2018 ◽  
Vol 97 (11) ◽  
Author(s):  
Yang-Yang Lv ◽  
Bin-Bin Zhang ◽  
Xiao Li ◽  
Kai-Wen Zhang ◽  
Xiang-Bing Li ◽  
...  
Keyword(s):  
Single Crystals ◽  
Topological Insulator ◽  
Shubnikov De Haas Oscillations

scholarly journals Quantum oscillations in iron-doped single crystals of the topological insulator Sb2Te3

2019 ◽  
Vol 99 (16) ◽  
Author(s):  
Weiyao Zhao ◽  
David Cortie ◽  
Lei Chen ◽  
Zhi Li ◽  
Zengji Yue ◽  
...  
Keyword(s):  
Single Crystals ◽  
Topological Insulator ◽  
Quantum Oscillations ◽  
Iron Doped
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