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Nanodiamond ´Â À±È°Á¦·Î¼­ ¿Ïº®ÇÑ ±â°èÀû Ư¼ºÀ» ¹ßÈÖÇÑ´Ù. ³ª³ë´ÙÀ̾Ƹóµå¸¦ À±È°À±¿¡ ÷°¡ÇÏ¸é ¸¹Àº ³î¶ó¿î ¼º´ÉÀ»
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[Æø¹ß¹ýÀ¸·Î Á¦Á¶ÇÑ ³ª³ë´ÙÀ̾Ƹóµå]

<Gray nanopowder>
Nanodiamond_Gray powder
 Purity  98-99%
 Average particle size  4-6nm
 Shape  Ball
 Density  3.05-3.3 g/§¨
 Specific surface area  282.83 §³/g
 Surface functional groups  -OH,-CN. -C=O, -COOH-C-O-C etc.
 Initial oxidation temperature( K £©  803
 Conductivity (¥Ø.cm)  7.7¡¿107 , 0.1-2(Boron- doping)
 Surface electric pulse (mV)  3.7-75(varying with pH)
 Hydrophilic degree (MJ/mol.g)  -3100  
 Relative magnetic susceptibility (m3/kg)  <1.0¡¿10 -8
 Adsorption affinity A(J/g)  384

<Black nanopowder (À±È°À¯ ÷°¡Á¦·Î ÀûÇÕ)>
Nanodiamond_Black powder
 Purity  55-75%
 Impurities  Nano-graphite
 Average particle size  4-15nm
 Specific surface area  278.87 §³/g
 Shape  Ball or thin fillet


[ºñÆø¹ß¹ýÀ¸·Î Á¦Á¶ÇÑ ³ª³ë´ÙÀ̾Ƹóµå]

Grade A : ¼øµµ: >99.95%
Grade B : ¼øµµ: >95%
Æò±ÕÀÔÀÚÅ©±â : 40-50nm, 70-90nm, 110-130nm, 140-160nm, 180-200nm.
Æò±ÕÀÔÀÚÅ©±â : 45-55nm, 55-65nm, 65-75nm, 80-100nm.


 Crystal   Monocrystal
 Crystal Shape  Cubic Hexahedron, Cubic Octahedron
 Type of Crystal Lattice  Sphalerite Structure
 Purity  >95% or >99.95%
 Size Designation  M0-0.10(um) / M0-0.25(um)
 Paticle Size Distribution  0-0.20(d97) / 0-0.50(d97)
 Specific Surface(m2 /g)  108m2 / 50m2
 Appearance  Black Powder / Grey Powder
 Bulk WeigCN(g/cm3 )  3.2 ~ 3.45
 Vickers Diamond Hardness  10000
 Space Group  Cubic Fd3m - O
 Crystal Lattice Constant/nm  0.356696¡¾0.000005
 Neighbour Atom Space/nm  0.154
 Coordination Isomerism  4  
 Atom Number in Unit Volume  1.77X1023
 Interplanar Crystal(Synthetic) £û 111 £ý , £û 100 £ý¡·£û 110 £ý , £û 113 £ý
 Interplanar Crystal(Natural) £û 111 £ý , £û 110 £ý¡·£û 100 £ý
 Corrosion Resistance  To resit any acid and be eroded in melted alkali.
 Stable Temperature Range (Air)  ~ 600 ¡É
 Stable Temperature Range (Vacuum)  ~ 1700 ¡É
 Elasticity Modulus of Deformable Body/Gpa  44 ~ 54
 Young's Modulus/Gpa

 90 ~ 100

 Molar Heat Capacity/(J/mol¡¤K)  150K-1.0,298K-6.1,400K-10.6
 Debye Temperature/K  0K-2220¡¾20,0-800 ¡É -1860¡¾10
 Thermal Conductivity/(W/m¡¤K)  298K- ~ 2000,77K- ~ 17500
 Velocity of Sound(m/s)  18000
 Refractive Index(5900 Angstrom)  2.41
 Transmission Wave Band(um)  0.225 - Far-infrared
 Dielectric Constant  5.7
 Dielectric Intensity(volt/cm)  10 7 (v/cm)
 linear Expansion(K -1 )  20 ~ 100 ¡É - 1.34X10 -6
   20 ~ 400 ¡É - 2.29X10 -6  
   20 ~ 800 ¡É - 3.14X10 -6
 Solid-Solution Impurity Concentration  N-Substitution( ¡Â 4.59X1019 ), Sheet ( ¡Â 4.5X1020 )
   B - Replacement( ¡Â 4.59X1019 )
 Band-gap Width/eV (Direct Band-gap)  ~ 7.0(K=0)
 (Indirect Band-gap)  5.470¡¾0.005
 Effective Quality (Cavity)  ~ 1.0m0 0.25m0
 (Electron)  ~ 0.2m0 0.2m0
 Mobility £¨ cm 2 /V¡¤s £© (Cavity)  1550(Maximum)1200
 (Electron)  2800(Maximum)1800
 Polarizability  5.68¡¾0.03

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