Table 7 Comparison of production coating performance between recent results and this study’s findings.

From: Effect of cobalt ions doping on morphology and electrochemical properties of hydroxyapatite coatings for biomedical applications

Nanoparticles

Synthesis method

Coating technique

Nanoparticle size (nm)

Icorr (per cm2)

Rct (kΩ × cm2)

Ref

HA

Sol–gel

Spin-coating

10

4.1 µA

10

82

HA-Cip

Sol–gel

Spin-coating

72

10.2 nm

639

82

Ce/Si-HA

Sol–gel

Spin-coating (2000 rpm)

253 µA

38.25

26

Ce/Si-HA

Sol–gel

Spin-coating (4000 rpm)

112 µA

332.13

26

HA (ATB2)

Immersion

Immersion

21

1.24

83

Ti-75%WHA-25% FBG

Sol–gel and Coprecipitation

Electrophoretic deposition

200

97 nA

78

HA

Tooth-ash

Magnetron sputtering

200

115 nA

289

84

HA/TiN

Tooth-ash

Magnetron sputtering

59 nA

3497

84

HA + PVA (0.05%)

Deposition

Immersion

0.46 µA

1.87

85

HA + PVA (0.1%)

Deposition

Immersion

1.33 µA

1.41

85

HA-35 kW

Clarion Pharmaceutical Co., India

Plasma spray

500

90 nA

38

86

Ti-6Al-4 V

Substrate

Uncoated

118.65 nA

140

This work

Pure HA

Sol–gel

Spin-coating

17.68

57.43 nA

510

This work

10Co/HA/T

Sol–gel

Spin-coating

11.23

1.38 nA

13,400

This work

  1. Significant values are in bold.