Data underlying the research of Z3-vestigial nematic order due to superconducting fluctuations in the doped topological insulators NbxBi2Se3 and CuxBi2Se3
收藏资源简介:
Experimental data taken on a Nb0.25Bi2Se3 single crystal including, magnetoresistance for magnetic fields applied parallel to the Bi2Se3 basal plane for various in-plane directions of the magnetic field, zero-field thermal expansion, specific heat, DC magnetization, zero-field electric resistivity. Magnetostriction at 0.3 K. Description of data: Thermal expansion: Files: alpha90deg.dat, alpha155deg.dat, alpha215deg.dat: thermal expansion measured along 3 different in-plane directions: 90 degrees, 155 degrees, 215 degrees, respectively. First column:T (K), second column DeltaL/L0 Specific heat: File: Cp.dat First column: T (K), second column C/T (mJ/mol/K2) DC magnetization: File: MagZFC.dat and MagFC.dat measured under zero-field cooled (ZFC) and field-cooled (FC) condition. First column: T (K), second column M (emu/cm3/Oe). Zero-field resistivity: File: resistivity.dat, First column: T (K), second column rho (mOhm cm) Magnetoresistance: Various files: MR90deg.dat,.. The in-plane orientation of the magnetic field is indicated in the file name. First column: H (T), second column rho (mOhm cm).
本数据集为Nb₀.₂₅Bi₂Se₃单晶的实验测试数据,涵盖磁场平行于Bi₂Se₃基面且沿面内不同方向施加时的磁电阻(magnetoresistance)、零场热膨胀(zero-field thermal expansion)、比热容(specific heat)、直流磁化(DC magnetization)、零场电阻率(zero-field electric resistivity),以及0.3 K下的磁致伸缩(magnetostriction)测试数据。 热膨胀相关数据文件为alpha90deg.dat、alpha155deg.dat、alpha215deg.dat,分别对应沿3个不同面内方向(90°、155°、215°)测得的热膨胀。文件第一列为温度T(单位:K),第二列为相对长度变化ΔL/L₀。 比热容测试数据文件为Cp.dat,第一列为温度T(单位:K),第二列为C/T(单位:mJ/mol/K²)。 直流磁化测试数据文件为MagZFC.dat与MagFC.dat,分别对应零场冷却(zero-field cooled, ZFC)和场冷却(field-cooled, FC)条件下的测试结果。文件第一列为温度T(单位:K),第二列为磁化强度M(单位:emu/cm³/Oe)。 零场电阻率测试数据文件为resistivity.dat,第一列为温度T(单位:K),第二列为电阻率ρ(单位:mOhm·cm)。 磁电阻测试相关数据文件为MR90deg.dat等,文件名中标注了磁场的面内取向。文件第一列为磁场强度H(单位:T),第二列为电阻率ρ(单位:mOhm·cm)。



