TaS2 Crystal (1T-phase)

SKU:
BLK-TaS2-1T
Condition:
New
  • 1T phase TaS2 1T phase crystals : Large size high quality 2D crystals - 2Dsemiconductors USArge size TaS2 crystals
  • 1T phase TaS2 1T phase crystals : Large size high quality 2D crystals - 2Dsemiconductors USArge size TaS2 crystals
  • SEM images taken from 1T TaS2 crystals
  • XRD data collected from 1T phase TaS2 crystals
  • CDW phase transition observed in our 1T phase TaS2 crystals
$690.00
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Description

World's largest size commercially available 1T-TaS2 crystals

Our single crystal 1T-phase TaS₂, grown using the superior flux zone technique, guarantees CDW behavior and avoids the contamination issues of chemical vapor transport (CVT). Each growth produces highly crystalline, perfectly oriented (0001) crystals ready for exfoliation. Moreover, these crystals are environmentally stable for long-term use without air interaction concerns.

Flux zone vs. CVT growth method

The flux zone growth technique produces higher quality crystals compared to the chemical vapor transport (CVT) method. Flux zone growth results in cleaner, more crystalline samples by minimizing contamination and defects commonly found in CVT-grown crystals. This method ensures superior structural integrity and purity, making it ideal for fundamental research and applications requiring high precision and reliability. The extended growth period in flux zone also allows for better control over crystal orientation and size, leading to consistently excellent crystal quality.

If you research needs STM grade surfaces or even STM samples (flat crystals mounted on conductive STM holders) please contact us, we will be happy to arrange these samples.

TaS2 characteristics

Sample size ~1cm size
Material properties Charge density wave (CDW) material
Crystal structure Hexagonal symmetry
Unit cell parameters a=b=0.335 nm, c=0.593 nm; α=β=90°, γ=120°
Growth method Flux zone (guaranteed no halide contamination)
[Optional CVT]: Contains Br2, Cl2, TeCl4, and other halides
Purity 99.9995% confirmed

 

Observed CDW in 1T phase TaS2 crystals from 2Dsemiconductors

cdw-tas2-1t-phase.png

XRD data collected from 1T phase TaS2 crystals

1t-phase-tas2-xrd.png

SEM image collected from 1T phase TaS2 crystals

1t-phase-tas2-layered-crystal-sem-images.png

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Additional Information

Elements:
Ta,S
Element:
Tantalum
Element:
Sulfur
Formula:
TaS2
Material class:
MX2
Material class:
Dichalcogen
Properties:
Semiconductor
Properties:
Semimetal
Properties:
CDW
Band gap range:
VIS
Growth method:
Flux
Growth method:
CVT
Doping:
Undoped
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