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  <element id="axti_IncreaseDecreaseInEquityPurchaseSubsidiaryShares" name="IncreaseDecreaseInEquityPurchaseSubsidiaryShares" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_ExpectedPeriodToReceiveSalesCommissions" name="ExpectedPeriodToReceiveSalesCommissions" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_WellsFargoBankMember" name="WellsFargoBankMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_IndustrialAndCommercialBankOfChinaMember" name="IndustrialAndCommercialBankOfChinaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_CurrentPayableInConnectionWithConstructions" name="CurrentPayableInConnectionWithConstructions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_HaisiOptoelectronicsMember" name="HaisiOptoelectronicsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_FiveMinorityInvestmentsMember" name="FiveMinorityInvestmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_LesseeWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateOfLeasesTableTextBlock" name="LesseeWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateOfLeasesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_LesseeSupplementalCashFlowInformationOfLeasesTableTextBlock" name="LesseeSupplementalCashFlowInformationOfLeasesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_NonControllingInterestNetOfAccumulatedOtherComprehensiveIncomeAttributableToSubsidiaryCarryingValue" name="NonControllingInterestNetOfAccumulatedOtherComprehensiveIncomeAttributableToSubsidiaryCarryingValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_DerecognitionOfNetAssets" name="DerecognitionOfNetAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_RetainedNoncontrollingInvestmentCarryingValue" name="RetainedNoncontrollingInvestmentCarryingValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_ScheduleOfGainLossOnDeconsolidationOfSubsidiary" name="ScheduleOfGainLossOnDeconsolidationOfSubsidiary" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_PaymentsToMinorityShareholdersInstallmentTwo" name="PaymentsToMinorityShareholdersInstallmentTwo" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_XiaoyiXinganGalliumCo.Ltd.Member" name="XiaoyiXinganGalliumCo.Ltd.Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_EquityMethodInvestmentReturns" name="EquityMethodInvestmentReturns" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_ConstructionInprogressDingxinAndKazuoLocationsMember" name="ConstructionInprogressDingxinAndKazuoLocationsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_CurrentPayableConnectionDecontaminationOfNanjingJinmeiFactory" name="CurrentPayableConnectionDecontaminationOfNanjingJinmeiFactory" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_InvestmentsTableTextBlock" name="InvestmentsTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_InvestmentScheduleAbstract" name="InvestmentScheduleAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_AccruedRoyaltiesNonCurrent" name="AccruedRoyaltiesNonCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_TermOfAgreement" name="TermOfAgreement" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_CrossLicenseAgreementMember" name="CrossLicenseAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_IncomeFromGovernmentGrants" name="IncomeFromGovernmentGrants" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_LinesOfCreditCurrentMember" name="LinesOfCreditCurrentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_DecreaseInManufacturingCosts" name="DecreaseInManufacturingCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_DecreaseInEarningsPerShareBasicAndDiluted" name="DecreaseInEarningsPerShareBasicAndDiluted" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_EquityMethodInvestmentsIncomeLossIncludingImpairmentCharges" name="EquityMethodInvestmentsIncomeLossIncludingImpairmentCharges" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="axti_BankOfChinaMember" name="BankOfChinaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xs:schema>
